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Hiroyuki Seki

Hiroyuki Seki, Saitama JP

Patent application numberDescriptionPublished
20110024214EVAPORATIVE EMISSIONS CANISTER ARRANGEMENT FOR A MOTORCYCLE, AND MOTORCYCLE INCORPORATING SAME - An evaporated fuel vapor from a fuel tank is fed through a charging pipe into an evaporated fuel storage canister, and is reserved there. The charging pipe, an upstream end of which is disposed in the fuel tank, is set to penetrate a side wall of the fuel tank and extends from the inside to the outside of the fuel tank. The canister is disposed in a swell-shaped recess on the inside of the front cowl, which recessed portion is situated between the headlight and the fuel tank as seen in side view.02-03-2011
20110057486SEAT HEIGHT ADJUSTMENT APPARATUS FOR MOTORCYCLE - A seat height adjustment apparatus includes a stepped portion provided on a bottom plate of a seat and formed in a stepped configuration, an adjust member removably attached to the stepped portion and having a lower face placed on a seat rail for adjusting the height between the seat rail and the seat, and vehicle body side fixing members provided on the seat rail for abutting with an abutting portion to fix the adjust member. Upon seat height adjustment, adjustment of the seat height can be carried out simply only by replacing the adjust member to an arbitrary stage of the stepped portion. Further, since the seat height adjustment apparatus is formed from the three parts of the stepped portion, adjust member and vehicle body side fixing member, the number of parts is reduced.03-10-2011
20110073399ARRANGEMENT STRUCTURE FOR EVAPORATED FUEL TREATMENT DEVICE OF SADDLE-TYPE VEHICLE, AND VEHICLE INCORPORATING SAME - An arrangement structure for mounting an evaporated fuel treatment device including a canister for a saddle-type vehicle includes an under cowl arranged at a front lower portion of an engine. The canister is arranged below the engine and inside the under cowl. Such arrangement structure enables mounting of the canister on a vehicle body in a compact manner while protecting the canister from traveling wind during vehicle operation, and also from direct sunlight during a parked state of the vehicle, thereby favorably ensuring charge performance and purge performance of the canister.03-31-2011

Hiroyuki Seki, Shizuoka JP

Patent application numberDescriptionPublished
20090082240STRIPPING LIQUID FOR SEMICONDUCTOR DEVICE, AND STRIPPING METHOD - A stripping liquid for a semiconductor device is provided that includes an aqueous solution containing a quaternary ammonium hydroxide, an oxidizing agent, an alkanolamine, and an alkali metal hydroxide. There is also provided a stripping method that includes a stripping liquid preparation step of preparing the stripping liquid and a stripping step of removing at least one deposit selected from the group consisting of a photoresist, an anti-reflection film, and an etching residue by means of the stripping liquid obtained in the stripping liquid preparation step.03-26-2009
20110076852CLEANING COMPOSITION, CLEANING PROCESS, AND PROCESS FOR PRODUCING SEMICONDUCTOR DEVICE - A cleaning composition for removing plasma etching residue and/or ashing residue formed above a semiconductor substrate is provided that includes (component a) water, (component b) a hydroxylamine and/or a salt thereof, (component c) a basic organic compound, and (component d) an organic acid and has a pH of 7 to 9. There are also provided a cleaning process and a process for producing semiconductor device employing the cleaning composition.03-31-2011

Patent applications by Hiroyuki Seki, Shizuoka JP

Hiroyuki Seki, Oyama-Shi JP

Patent application numberDescriptionPublished
20100060107VIBRATION WAVE DRIVING DEVICE - A vibration wave driving device comprises a vibrator having an electromechanical conversion device, a supporting member for supporting the vibrator, and a driven member brought into contact with a part of the vibrator driven frictionally by vibration excited in the vibrator: the supporting member comprising a vibration portion vibrating together with the vibrator, a fixation portion for fixing the supporting member, and a support portion for connecting the vibration portion with the fixation portion and supporting the vibrator; and the support portion being comprised of a laminate of sheets.03-11-2010
20110062823VIBRATION WAVE DRIVING DEVICE - A vibration wave driving device comprises a vibrator having an electromechanical conversion device, a supporting member for supporting the vibrator, and a driven member brought into contact with a part of the vibrator driven frictionally by vibration excited in the vibrator: the supporting member comprising a vibration portion vibrating together with the vibrator, a fixation portion for fixing the supporting member, and a support portion for connecting the vibration portion with the fixation portion and supporting the vibrator; and the support portion being comprised of a laminate of sheets.03-17-2011
20110227453VIBRATION WAVE DRIVING APPARATUS AND METHOD OF MAKING VIBRATING BODY THEREOF - An apparatus includes a vibrator, the vibrator including a vibrating body on which a protrusion having a spring characteristic is formed and an electromechanical energy conversion element, wherein the vibrator performs an elliptical motion so as to drive an object that is in contact with the protrusion, and wherein the protrusion is integrally formed with the vibrating body from one member in a partial area of the vibrating body with respect to a longitudinal direction and a width direction via a plurality of slits or cutouts.09-22-2011
20110227454VIBRATOR IN VIBRATION TYPE DRIVING APPARATUS AND MANUFACTURING METHOD THEREOF - A vibrator which constitutes a vibrating device of a vibration-type driving apparatus which comprises the vibrating device bonded to an electromechanical-energy-conversion element and comprising the vibrator having a projection portion, in which the vibrating device is constituted so that elliptic motion can arise at the projection portion by applying an alternating electric field to the electromechanical-energy-conversion element, and which moves by the elliptic motion a driven object being in contact with the projection portion in a direction intersecting with a width direction, wherein the vibrator comprises a base and the one/plural projection portions, the projection portion has at least two wall portions extending in a base out-of-plane direction and a contact portion having a contact surface with the driven object, and the contact surface connects the wall portions, and in boundary portions between the base and the wall portions, displacement directions are at a same position in a normal direction.09-22-2011
20110309722VIBRATION-TYPE DRIVING APPARATUS - A vibration-type driving apparatus including: a vibrator holder wherein a plurality of vibrators each having at least an electro-mechanical energy conversion element and a elastic member having a contact portion formed therein are connected to a vibrator holding member, for generating an ellipsoidal movement of the contact portion, to move, relative to the vibrator, a driving member contacting the contact portion, wherein the plurality of vibrators are connected to a surface of the holding member at a side at which the contact portion contacts the driving member, and on a surface of the vibrator holding member opposite to the side at which the contact portion contacts the driving member, a pressing member is placed to set the contact portion to be pressed and contacted to the driving member.12-22-2011

Hiroyuki Seki, Kawasaki-Shi JP

Patent application numberDescriptionPublished
20110058592MULTICARRIER CDMA TRANSMISSION SYSTEM AND TRANSMISSION METHOD - In multicarrier transmission for multiplying transmit data individually by each code constituting orthogonal codes and transmitting each result of multiplication by a prescribed subcarrier, a plurality of different subcarriers are assigned exclusively to each user and each user performs multicarrier transmission of the transmit data by the subcarriers assigned. Further, a base station assigns a plurality of different subcarriers to each user exclusively, applies beam-forming processing on a per-user basis and performs multicarrier transmission of transmit data to each user by the subcarriers assigned.03-10-2011

Hiroyuki Seki, Mishima-Shi JP

Patent application numberDescriptionPublished
20090141296COLOR IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING THE SAME - A color image forming apparatus in which a positional displacement detection image and a light quantity adjustment image are formed within a one-rotation length of an image bearing member (intermediate transfer belt). A light-emission quantity when detecting density is determined on the basis of a detection result of a light quantity adjustment image formed within the one-rotation length using light-emission quantity that is provided when light is emitted to the positional displacement detection image. This allows, for example, image density control to be performed quickly while precision of the image density control is maintained.06-04-2009
20090297182IMAGE FORMING APPARATUS - An image forming apparatus which predicts VL fluctuations of a photosensitive drum in consideration of a double-sided print mode, and performs an image formation control based on the prediction, and thus always obtains a stable density image. The image forming apparatus performs an appropriate image formation control by controlling an image forming condition based on a photosensitive member rotation time, a photosensitive member stop time, a temperature of an atmospheric environment, an absolute humidity of the atmospheric environment, and whether an image formation that precedes a subsequent image formation is performed in single-sided printing or double-sided printing.12-03-2009
20090297190IMAGE FORMING APPARATUS - There is provided an image forming apparatus that accurately obtains the dynamic characteristic of the apparatus when a foreign substance is adhered to a driving roller for driving an endless belt, such as a facing roller. To accomplish this, the image forming apparatus uses an optical sensor to detect information of a foreign substance on the facing roller. When it is determined that there is no foreign substance information, the image forming apparatus executes profile detection of an intermediate transfer belt using the nominal circumference of the facing roller. When the optical sensor detects foreign substance information, the image forming apparatus measures the circumference of the facing roller, and performs profile detection of the intermediate transfer belt using the measured circumference of the facing roller.12-03-2009
20090297191IMAGE FORMING APPARATUS AND CONTROL METHOD THEREOF - There is provided an image forming apparatus including a rotation member used for image forming and a detector for detecting light from the rotation member. First waveform data of an image-formed surface used to form an image on the rotation member is acquired by the detector. Second waveform data of the image-formed surface used to form an image on the rotation member is acquired. The second waveform data includes at least part of a detected section of the first waveform data. Information on the actual circumference of the rotation member is calculated based on matching between the acquired first and second waveform data. The acquired first waveform data and second waveform data are compared to determine whether or not to use the calculated information on the circumference. When it is determined not to use the calculated information on the circumference, information on the circumference of the rotation member is recalculated.12-03-2009
20100080597IMAGE FORMING APPARATUS - An image forming apparatus includes a transfer roller that can be separated from an intermediate transfer belt. When an operational mode is switched from a multicolor mode to a mono-color mode, the image forming apparatus changes a rotational speed of the intermediate transfer belt to a level slower than a rotational speed of the intermediate transfer belt to be set in the multicolor mode to transfer a toner image to the intermediate transfer belt, then separates a first transfer member from the intermediate transfer belt, and after the first transfer member is separated from the intermediate transfer belt, the image forming apparatus increases the rotational speed of the intermediate transfer belt to a rotational speed to be set in the mono-color mode to transfer the toner image to the intermediate transfer belt.04-01-2010
20100322643IMAGE FORMING APPARATUS - An image forming apparatus is provided that includes a detection unit to detect a measure of consumption of a second cartridge. A difference between toner amounts is acquired by subtracting a toner amount per unit area of a toner image corresponding to a maximum density image formed on a first image bearing member from a toner amount per unit area of a toner image corresponding to a maximum density image formed on a second image bearing member. When the detection unit detects a second measure of consumption that is in a consumed state more than a first measure of consumption, a control unit controls a first toner forming unit and a second toner forming unit so that a difference between toner amounts is greater than when the detection unit detects the first measure of consumption.12-23-2010

Hiroyuki Seki, Matsumoto-Shi JP

Patent application numberDescriptionPublished
20090232978Process for Producing Optical Article - A process for producing an optical article includes subjecting a work in which an antireflection layer is formed on an optical substrate directly or via another layer interposed therebetween and an antifouling layer is formed on a surface of the antireflection layer to an acid treatment by dipping it in an acidic liquid; rinsing the work subjected to the acid treatment; and annealing the rinsed work.09-17-2009
20100177395Optical Article and Method for Producing the Same - A method for producing an optical article. A first layer that is light-transmissive is formed on an optical substrate directly or with an additional layer in between. A silicide material, light-transmissive thin film is formed on the surface of the first layer.07-15-2010
20100225882Optical Article and Process for Producing the Same - A process for producing an optical article having an antireflection layer formed directly or via another layer on an optical base material, includes: forming a primary layer contained in the antireflection layer; and forming a light transmissive conductive layer containing a metal containing germanium as a main component and/or a compound of germanium and a transition metal on a surface of the primary layer.09-09-2010
20100226004Optical Article and Method for Producing the Same - A method for producing an optical article having a filter layer formed directly or with another layer in between on an optical substrate, the filter layer transmitting light in a predetermined wavelength band and blocking light with a wavelength longer and/or shorter than the predetermined wavelength band, includes: forming a first layer to be included in the filter layer, and adding at least one of carbon, silicon, and germanium to the surface of the first layer, thereby reducing the resistance of the surface of the first layer.09-09-2010
20100226005Optical Article and Process for Producing the Same - A process for producing an optical article having an antireflection layer formed directly or via another layer on a flexible optical base material, includes: forming a primary layer contained in the antireflection layer; and adding at least any one of carbon, silicon, and germanium to a surface of the primary layer to reduce a resistance.09-09-2010
20120019913Lens Manufacturing Method and Lens - A lens manufacturing method comprising:forming a first layer directly or via a second layer on an optical base; and forming a light-transmissive thin film on a surface of the first layer in a physical vapor deposition process, the light-transmissive thin film including a portion made of TiO01-26-2012

Patent applications by Hiroyuki Seki, Matsumoto-Shi JP

Hiroyuki Seki, Yokohama-Shi JP

Patent application numberDescriptionPublished
20080306321PROCESS FOR PRODUCING LIQUID HYDROCARBON WITH HYDROCRACKING CATALYST - Provided is a process and catalyst for hydrocracking paraffinic hydrocarbons which provides satisfactorily high cracking activity and middle distillate yield as well as the low pour point of the resulting gas oil all together. The catalyst of the present invention comprises a crystalline aluminosilicate, alumina-boria and a noble metal of Group VIII of the Periodic Table.12-11-2008
20100074642IMAGE FORMING APPARATUS EMPLOYING FIXING DEVICE AND CONTROL METHOD THEREFOR - An image forming apparatus includes a controller, a database, an image carrier, a transfer unit, a fixing device including a temperature detector and a first drive device, a speed changer, and an electric-current detector. The controller calculates a toner adhesion amount of a recording medium, identifies a type of the recording medium, detects a temperature of the fixing device, determines a moisture content of the recording medium, calculates a reaction force of the recording medium, calculates a toner adhesion force, compares the reaction force and the toner adhesion force, determines a fixing nip angle, drives the first drive device to set the fixing device to the fixing nip angle, determines a target feed speed of the recording medium, and drives the speed changer to change a feed speed of the recording medium to match the target speed.03-25-2010
20110237178METHOD AND SYSTEM FOR CPRI CASCADING IN DISTRIBUTED RADIO HEAD ARCHITECTURES - A method of communicating between a base band unit and a plurality of remote radio heads includes the steps of receiving a first signal through an antenna in a first remote radio head, transmitting the first signal to a second remote radio head through a digital radio interface, receiving a second signal through an antenna in the second remote radio head, compensating for a delay accrued in the first signal, adding the first signal and the second signal to obtain a resulting signal, and transmitting the resulting signal to a base band unit through a digital radio interface.09-29-2011

Patent applications by Hiroyuki Seki, Yokohama-Shi JP

Hiroyuki Seki, Matsumoto JP

Patent application numberDescriptionPublished
20100027383TRANSPARENT MEMBER, TIMEPIECE, AND METHOD OF MANUFACTURING A TRANSPARENT MEMBER - A transparent member has a transparent substrate, and an antireflection coating that has a high index of refraction layer made of silicon nitride and a low index of refraction layer made of silicon oxide alternately laminated on at least a part of a surface of the substrate. The content of silicon nitride in the region to a depth of 150 nm from the outside surface of the antireflection coating is 30-50 vol %.02-04-2010

Hiroyuki Seki, Tokyo JP

Patent application numberDescriptionPublished
20120018352HYDROTREATING CATALYST, PROCESS FOR PRODUCING SAME, AND PROCESS FOR HYDROTREATING HYDROCARBON OIL - A hydrotreating catalyst that exhibits excellent levels of both desulfurization activity and denitrification activity. The hydrotreating catalyst is prepared by supporting molybdenum, cobalt and nickel on a carrier comprising aluminum, silicon, phosphorus and boron, and then performing a presulfiding treatment, and has an average stacking number for molybdenum sulfide slab that is greater than 1.0 but not more than 1.9. Also, a process for producing a hydrotreating catalyst that enables a hydrotreating catalyst having excellent levels of both desulfurization activity and denitrification activity to be produced with comparative ease. The process includes a first step of mixing an acidic aluminum salt aqueous solution and a basic aluminum salt aqueous solution in the presence of phosphate ions and silicate ions to achieve a pH of 6.5 to 9.5, thereby obtaining a hydrate, a second step of adding boron to the hydrate to prepare a carrier-forming material, a third step of molding and calcining the carrier-forming material to obtain a carrier, a fourth step of supporting molybdenum, cobalt and nickel on the carrier to obtain a catalyst precursor, and a fifth step of performing a presulfiding treatment by bringing the catalyst precursor into contact with a mixed gas containing hydrogen and hydrogen sulfide under conditions including a pressure of not less than 2.0 MPa and a maximum temperature of 240 to 380° C.01-26-2012