Takayuki Fujiwara
Takayuki Fujiwara, Ehime JP
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20100209642 | EPOXY RESIN COMPOSITION, PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL - It is an object of the present invention to improve drawbacks in conventional technology and provide a fiber-reinforced composite material having both an excellent static strength property and impact resistance, and an epoxy resin composition for obtaining the fiber-reinforced composite material. More particularly, it is the object of the present invention to provide the epoxy resin composition that gives a cured material having a high elastic modulus, a high heat resistance, a high plastic deformation capacity and a high toughness. | 08-19-2010 |
20120028047 | Fiber reinforced resin composition, molding material, and method for producing fiber reinforced resin composition - The invention provides a fiber reinforced resin composition comprising a melt-kneaded product (A) prepared by melt-kneading a first resin (A1) and a second resin (A2) that has reactive functional group as well as a third resin (B) and a fibrous filler (C), wherein, with respect to the contents of the components, the first resin (A1), the second resin with a reactive functional group (A2), and the third resin (B) account for 0.1 to 75 wt %, 0.1 to 15 wt %, and 10 to 99.8 wt %, respectively, to form a resin composition while said fibrous filler (C) accounts for 0.1 to 300 parts by weight per 100 parts by weight of said resin composition, said first resin (A1) and said third resin (B) forming a matrix resin, said second resin (A2) being dispersed as particles in said matrix resin, and said particles having a number average particle diameter of 10 to 1,000 nm. The invention relates to a fiber reinforced resin composition having rigidity and impact resistance in a good balance, a molding material, and a production method thereof. | 02-02-2012 |
Takayuki Fujiwara, Kawasaki JP
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20090043034 | PLANT-BASED RESIN-CONTAINING COMPOSITION AND PLANT-BASED RESIN-CONTAINING MOLDED PRODUCT FORMED THEREFROM - A plant-based resin-containing composition according to the present invention includes polyamide 11 and an amorphous resin. The amorphous resin is at least one resin selected from the group consisting of ABS resin, AS resin, ASA resin, polyvinyl chloride, polystyrene, polycarbonate, polymethylmethacrylate, modified polyphenylene ether, polysulfone, polyethersulfone and polyarylate. A plant-based resin-containing molded product according to the present invention is formed from the aforementioned plant-based resin-containing composition of the present invention. | 02-12-2009 |
20090250142 | Mg or Mg-Alloy Housing and Method for Producing the Same - A surface of a Mg or Mg-alloy housing of the present invention is subjected to wet blast using a mixture containing a chemical conversion treatment agent and an abrasive, whereby a chemical conversion film is formed on the surface of the Mg or Mg-alloy housing. Because of this, a chemical conversion film is formed simply on the surface of a molded product made of Mg or a Mg-alloy to reduce the correction by puttying, whereby a Mg or Mg-alloy housing is provided in which a decrease in yield and an increase in cost can be prevented. | 10-08-2009 |
Takayuki Fujiwara, Minami-Ashigara-Shi JP
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20080236786 | MICRO FLUID DEVICE - A micro fluid device in which a plurality of units with fine channel therein are integrally coupled together to bring the fine channels of the units into communication with each other to cause fluid to flow into the fine channels to perform desired unit operations, and at least one of the plurality of units is a temperature controlling unit for controlling the temperature of the fluid, comprises: a heat insulator which has a through hole equal in diameter to the fine channels and is interposed between the temperature controlling unit and an adjacent unit substantially adjacent to the temperature controlling unit; and a positioning mechanism which positions the heat insulator so as to bring the fine channels into communication with the through hole at the time of coupling the units. | 10-02-2008 |
20080293130 | BIOCHIP - A biochip that can make optical measurements without being affected by background fluorescence etc., originating from the outside environment, wherein the surface of the substrate of the biochip can be chemically treated by a simple procedure. The biochip has at least a nontransparent resin substrate, an immobilizing layer formed on a part of the non-transparent resin substrate, and an organic molecule immobilized on the immobilizing layer, and detects an analyte labeled with fluorescence or luminescence in a sample, from the intensity of the fluorescence or luminescence. | 11-27-2008 |
Takayuki Fujiwara, Odawara-Shi JP
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20090086572 | MICRODEVICE AND FLUID MIXING METHOD - In a microdevice in which a plurality of fluids respectively passing through a separate introduction channel are merged in a merging section in a micro space to mix the fluids and the mixed fluids are discharged from the merging section via a discharge channel, a tip section of each of the introduction channels comprises a tapered contraction section so as to contract a flow of fluid, the introduction channels are disposed so that central axes of the introduction channels do not intersect at one point each other, and the merging section is formed of a space surrounded with edges of the contraction sections of respective introduction channels. Thereby, reacting fluids can be mixed rapidly each other, and contamination of air bubbles into the whole fluid can be suppressed by narrowing a dead space of a discharge channel immediately after the merging section. | 04-02-2009 |
Takayuki Fujiwara, Saitama-Shi JP
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20110228398 | LENS AND LENS ARRAY AND MANUFACTURING METHOD THEREOF - A lens is formed from a heat resistant resin and includes a diaphragm integrally provided on a surface of the lens. The diaphragm is a coating layer formed as a result of a heat resistant, light blocking resin being applied over the surface. | 09-22-2011 |
20140347752 | COMPOSITE MOLDED LENS AND METHOD FOR PRODUCING THE SAME - In a composite molded lens, a press-formed lens body is integral with an injection-molded lens frame. The lens body has a lens portion and a flange portion surrounding the lens portion. Eight projections are radially formed on a top surface of the flange portion. The height of the projection increases toward an outer peripheral edge side of the flange portion. A recess is formed on an outer peripheral edge face of the flange portion and located at a position on a line extending from the projection. The recess increases torsional resilience of a joint surface between the lens body and the lens frame and strengthens bonding force there between. | 11-27-2014 |
Takayuki Fujiwara, Kanagawa JP
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20120189800 | ELEMENT ARRAY AND ELEMENT ARRAY LAMINATE - Provided is an element array in which an error in pitch among elements in the element array is absorbed surely in a step of laminating a plurality of element arrays so that each group of the elements arrayed in the laminating direction can be aligned with high accuracy. The element array has a plurality of elements arrayed one-dimensionally or two-dimensionally, and a flexible support formed out of a material richer in elasticity than a material forming the elements. The elements are coupled with one another through the support. | 07-26-2012 |
Takayuki Fujiwara, Iyo-Gun JP
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20120328858 | PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL, AND METHOD FOR PRODUCING PREPREG - A prepreg containing components (A) to (C) defined below, wherein component (A) is placed on one surface or both surfaces of a layer comprising components (B) and (C), 90% or more by area of component (A) being present in a region(s) extending from the surface(s) of the resulting prepreg containing components (A) to (C) to a depth equal to 20% of the average thickness of the prepreg: (A) urethane particles having tan δ of 0.15 or more at 10° C. and having a three-dimensional cross-linked structure, (B) a first epoxy resin composition, and (C) reinforcing fiber. The present invention provides a fiber-reinforced composite material which excels in rigidity, strength, and vibration damping properties, and a prepreg which is suitably used for production thereof, and also provides methods for production thereof. | 12-27-2012 |
20130130584 | PREPREG, FIBER-REINFORCED COMPOSITE MATERIAL, AND PROCESS FOR PRODUCING PREPREG - There is provided a prepreg which contains components (A) to (C) as mentioned below, wherein the component (A) is arranged on one surface or both surfaces of a layer comprising the components (B) and (C): (A) a nonwoven fabric comprising a thermoplastic elastomer and/or a polyolefin each of which has a value of tan θ of 0.06 or more at 10° C. as measured in a viscoelasticity measurement and is incompatible with the component (B); (B) a first epoxy resin composition; and (C) a reinforcing fiber. There are also provided a fiber-reinforced composite material which has excellent rigidity, strength, and vibration-damping performance, a prepreg which can be used suitably for the production of the fiber-reinforced composite material, and a process for producing the prepreg. | 05-23-2013 |
20130217805 | EPOXY RESIN COMPOSITION, PREPREG AND FIBER-REINFORCED COMPOSITE MATERIALS - An epoxy resin composition containing an epoxy resin [A | 08-22-2013 |
20140037939 | PREPREG AND FIBER REINFORCED COMPOSITE MATERIAL, AND PROCESS FOR PRODUCING PREPREG - The present invention provides a prepreg comprising the following constituent elements (A), (B) and (C), the constituent element (A) being arranged on one surface or both surfaces of a layer containing the constituent elements (B) and (C), and not less than 90 area % of the constituent element (A) existing in the region from the surface of the prepreg to a position up to 20% of the average thickness of said prepreg: | 02-06-2014 |
Takayuki Fujiwara, Yokohama JP
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20130024045 | POWER CONTROL UNIT - A weather information database stores weather information acquired from a weather information provider. A power generation unit selection unit selects a power generation unit with a high generating efficiency from a plurality of power generation units having different power generation schemes, in accordance with the current weather condition. A power generation electric energy database stores the power generation electric energy of a power generation unit, while an electric energy consumption database stores the electric energy consumption of a plurality of electrical appliances. A power transmission destination selection unit selects an electrical appliance whose electric energy consumption is lower than the generated energy from the plurality of electrical appliances, when the past generated energy in the current time zone is lower than the past total electric power consumption, and transmits electric power thereto. | 01-24-2013 |
Takayuki Fujiwara, Ebetsu JP
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20140086453 | TIRE DEFECT DETECTION METHOD - Provided is a tire defect detection method capable of accurately detecting a thinly extending convex defect of a tire surface. Prior to the start of Step S | 03-27-2014 |
Takayuki Fujiwara, Saitama JP
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20140240845 | LENS AND METHOD OF MOLDING LENS - There are provided a lens that is molded with high accuracy and a method of molding the lens. The lens has an optical axis and includes a pair of optical functional surfaces on front and rear surfaces thereof. The lens includes an optical functional portion that includes the pair of optical functional surfaces, an edge portion that is provided at an outer periphery of the optical functional portion, and a connecting portion that is provided between the optical functional portion and the edge portion, connects the optical functional portion with the edge portion, and is thinner than the edge portion in a direction of the optical axis. | 08-28-2014 |
20140346692 | METHOD OF MANUFACTURING OPTICAL ELEMENT - Disclosed is a method of manufacturing an optical element capable of increasing surface accuracy of an optical surface of an optical element with a plastic lens portion. A cavity which is formed when a pair of molds are closed has a compression molding space and an annular injection molding space, and the method includes a compression molding step of casting a compression molding material into the compression molding space of the molds and an injection molding step of injecting an injection molding material into the injection molding space in a state where the molds are closed and forming an injection molded portion at the outer circumferential edge of the compression molded compression molding material. In the injection molding step, before the compression molding material reaches a temperature lower than the glass transition temperature, the injection of the injection molding material starts. | 11-27-2014 |
20150050378 | LENS FORMING APPARATUS - The invention provides a lens forming apparatus that can suppress generation of burrs even if gaps between outer walls of an upper die and a lower die and an inner wall of a trunk die is made wide. A lens forming apparatus | 02-19-2015 |
Takayuki Fujiwara, Joetsu-Shi JP
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20150322027 | MONOMER, POLYMER, RESIST COMPOSITION, AND PATTERNING PROCESS - A monomer (1) is prepared by reacting a compound (9) with a base or metal to form a metal enolate reagent, and reacting the metal enolate reagent with an acyloxyketone compound (8). A polymer derived from the monomer is used as base resin to formulate a resist composition, which is shelf stable and displays a high dissolution contrast, controlled acid diffusion and low roughness in forming positive pattern via alkaline development and in forming negative pattern via organic solvent development. | 11-12-2015 |
20150323865 | MONOMER, POLYMER, RESIST COMPOSITION, AND PATTERNING PROCESS - A polymer for resist use is obtainable from a monomer having formula (1) wherein R | 11-12-2015 |
20160033865 | SILICONE STRUCTURE-BEARING POLYMER, NEGATIVE RESIST COMPOSITION, PHOTO-CURABLE DRY FILM, PATTERNING PROCESS, AND ELECTRIC/ELECTRONIC PART-PROTECTING FILM - A silicone structure-bearing polymer comprising recurring units derived from a bis(4-hydroxy-3-allylphenyl) derivative and having a Mw of 3,000-500,000 is provided. A chemically amplified negative resist composition comprising the polymer overcomes the stripping problem that a coating is stripped from metal wirings of Cu or Al, electrodes, and SiN substrates. | 02-04-2016 |
Takayuki Fujiwara, Marugame-Shi JP
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20150343096 | LIQUID PREPARATION FOR ORAL ADMINISTRATION FOR USE IN CT COLONOGRAPHY, AND COMPOSITION FOR IMAGING DIGESTIVE TRACT - There are provided a liquid preparation for oral administration which contains barium that is likely to be mixed with residues and is less likely to be precipitated in the intestinal tract, and a liquid preparation for oral administration and a composition for imaging a digestive tract which contain barium and enable the reduction of the dose of an intestinal tract cleaning solution in a the intestinal tract pretreatment. That is, there are provided an orally administered liquid preparation which contains barium and one or more types of thickening agents selected from the group consisting of a natural polysaccharide and a cellulose-based polymer, in which the viscosity at a shear rate of 21.54 s | 12-03-2015 |
Takayuki Fujiwara, Tokyo JP
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20160078911 | SEMICONDUCTOR MEMORY DEVICE HAVING COUNT VALUE CONTROL CIRCUIT - A device includes a data storing cell array including a plurality of groups of data storing cells each configured to be accessed responsive to the input of the corresponding one of the row addresses and a count value control circuit coupled to each of the groups of the data storing cells. The count value control circuit is configured to update a count value stored in each of the groups of data storing cells by a first value responsive to the input of the corresponding one of the row addresses in a first operation mode and to set the count value stored in each of the groups of the data storing cells to a second value responsive to the input of the corresponding one of the row addresses in a second operation mode. | 03-17-2016 |
Takayuki Fujiwara, Jyoetsu JP
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20160097973 | SILICONE SKELETON-CONTAINING POLYMER COMPOUND AND METHOD FOR PRODUCING SAME, CHEMICALLY AMPLIFIED NEGATIVE RESIST COMPOSITION, PHOTO-CURABLE DRY FILM AND METHOD FOR PRODUCING SAME, PATTERNING PROCESS, LAYERED PRODUCT, AND SUBSTRATE - The present invention provides a silicone skeleton-containing polymer compound containing a repeating unit shown by the general formula (1) and having a weight average molecular weight of 3,000 to 500,000. There can be provided a silicone skeleton-containing polymer compound suitable used as a base resin of a chemically amplified negative resist composition that can remedy the problem of delamination generated on a metal wiring such as Cu and Al, an electrode, and a substrate, especially on a substrate such as SiN, and can form a fine pattern without generating a scum and a footing profile in the pattern bottom and on the substrate when the widely used 2.38% TMAH aqueous solution is used as a developer. | 04-07-2016 |