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Fujiwara, Shiga

Hirofumi Fujiwara, Shiga JP

Patent application numberDescriptionPublished
20090066408Step-up power supply circuit and stepping-up method - Boosting operation of a charge pump is performed at a fixed period irrespective of the state of a load. A regulator for controlling a charge pump includes: a frequency dividing circuit generating a frequency-divided clock having a period that is twice that of a boost clock; a voltage dividing circuit generating a plurality of divided voltages having voltage values that differ from one another; a comparator circuit comparing each of the divided voltages and a reference voltage and outputting a plurality of comparison-result signals; a selection signal generating circuit reading in logic of each of the comparison-result signals in synch with an edge of the frequency-divided clock and outputting selection signals; a duty converting circuit outputting a plurality of clocks having different ON duties; a selector selecting any one of the plurality of clocks or “H”-level logic as a PWM signal based upon the selection signals; and a gate circuit taking the logical AND between the frequency-divided clock and the PWM signal and generating control signals for controlling series-parallel switching.03-12-2009
20100026679Booster circuit, display panel driver, and display device - A booster circuit is provided with a boosting section and a control circuitry. The boosting section includes a boosting capacitor element and is configured to perform charging operation to accumulate charges across the boosting capacitor element and to perform boosting operation to boost an output voltage by using charges accumulated in the boosting capacitor element. The control circuitry controls the boosting section to alternately perform the charging and boosting operations in response to a boosting clock signal and the output voltage. The control circuitry prohibits performing the charging and boosting operations in response to whether a selected line of dot pixels is an odd-numbered line or an even-numbered line in a display panel.02-04-2010

Patent applications by Hirofumi Fujiwara, Shiga JP

Katsutoshi Fujiwara, Shiga JP

Patent application numberDescriptionPublished
20110177347GLASS ROLL - Provided is a glass roll utilizing a flanged roll core, and reliably inhibiting a glass film from breaking from an end portion in a width direction thereof as an origin of breakage. A glass roll (07-21-2011
20110200812GLASS ROLL AND PROCESS FOR PRODUCING GLASS ROLL - Provided is a glass roll formed by winding a glass film into a roll, in which a minimum winding radius of the glass film is optimized. Thus, the glass film is reliably prevented from breaking due to static fatigue, and is able to be stored for long periods. A glass roll (08-18-2011

Kota Fujiwara, Shiga JP

Patent application numberDescriptionPublished
200802752423-(Dihydro(Tetrahydro)Isoquinolin-1-Yl)Quinoline Compound - The invention provides compounds which exert excellent fungicidal activities against various plant diseases and are useful as active ingredients of pesticides permitting the control of rice blast and so on even in low dosages. Compounds represented by the general formulae (1a) to (1d) or salts thereof: (1a) (1b) (1c) (or) (1d) wherein R11-06-2008

Takenori Fujiwara, Shiga JP

Patent application numberDescriptionPublished
20110068417GATE INSULATING MATERIAL, GATE INSULATING FILM AND ORGANIC FIELD-EFFECT TRANSISTOR - To provide a gate insulating material which has high chemical resistance, is superior in coatability of a resist and an organic semiconductor coating liquid, and has small hysteresis, a gate insulating film and an FET using the same by a polysiloxane having an epoxy group-containing silane compound as a copolymerization component.03-24-2011

Toshikatsu Fujiwara, Shiga JP

Patent application numberDescriptionPublished
20100261399CONJUGATE FIBER HAVING LOW-TEMPERATURE PROCESSABILITY, NONWOVEN FABRIC AND FORMED ARTICLE USING THE CONJUGATE FIBER - To provide a conjugate fiber that demonstrates low-temperature processability and excellent thermal adhesiveness without shrinking significantly, can be processed with excellent card passability when processed into a nonwoven fabric, and can produce a bulky nonwoven fabric having excellent uniformity. Bulky nonwoven fabric and a formed article having excellent low-temperature processability and excellent feeling are also provided. A conjugate fiber in which a first component that contains at least 75% by weight of an ethylene α-olefin copolymer having a melting point of 70 to 100° C. and a second component that contains a crystalline polypropylene form a side-by-side cross section, wherein, in a fiber cross section perpendicular to a fiber axis, the first component accounts for 55 to 90% of an outer periphery of the fiber, a borderline between the first component and the second component forms a curve bulging toward the first component, and an area ratio between the first component and the second component (first component/second component) is in a range of 70/30 to 30/70; a nonwoven fabric obtained by processing the conjugate fiber into a nonwoven fabric; and a formed article obtained using the conjugate fiber.10-14-2010
20110244749COMPOSITE MATERIAL USING STRETCHABLE NONWOVEN FABRIC - A composite material as a sheet material is described, being relatively cheap, most useful as a raw material of a sanitary product or the like, such as underwear, dust-proof mask or dispensable paper diaper, etc., and good in processability, stretchability, gas-permeability, softness, and touch. The composite material is formed by laminating a stretchable layer and a conjugate spunbonded nonwoven fabric including conjugate fibers including a low-melting-point component and a high-melting-point component. The conjugate fibers are partially bonded to each other by thermocompression, wherein each bonded portion has fine folded structures including alternate hill and valley regions in the CD, and the distance between neighboring hills is 100-400 μm in average. The conjugate spunbonded nonwoven fabric exhibits stretchability through the spread of the fine folded structures, and has, at 5% elongation, a CD-strength of 0.1 N/5 cm or less and an MD/CD strength ratio of 200 or more.10-06-2011
20110250816BULKY NONWOVEN FABRIC - The invention provides a nonwoven fabric which can improve these problems of the conventional technologies, can be produced at relatively low costs, is bulky and excellent in cushioning properties, has a good texture and is excellent in shaping ability at post-processing. Specifically, the present invention provides a bulky nonwoven fabric, comprising a fiber layer A containing a spiral crimp fiber and a fiber layer B, wherein the fiber layer B is laminated on at least one surface of the fiber layer A, the spiral crimp fiber of the fiber layer A and the fiber of the fiber layer B are partly entangled and integrated at the interface in a thickness direction of both layers, the fiber layer B exhibits a structure in which the layer is lifted up to the fiber layer B side between individual entangled parts; and having a specific volume of 30 cm10-13-2011

Toshimitsu Fujiwara, Shiga JP

Patent application numberDescriptionPublished
20110284354KEY ILLUMINATION SWITCH MODULE AND LIGHT GUIDE SHEET - A key illumination switch module has a cover sheet that includes an adhesive layer in a rear surface thereof, a dome-shaped contact spring whose apex portion is bonded to a rear surface of the cover sheet by the adhesive layer, a board that includes a first fixed contact and a second fixed contact, the first fixed contact and the second fixed contact being switched between a conducting state and an insulated state by the contact spring, a light guide sheet that is disposed on a surface side of the cover sheet. In the light guide sheet, a through-hole is made at a position corresponding to the apex portion of the contact spring.11-24-2011

Tosiaki Fujiwara, Shiga JP

Patent application numberDescriptionPublished
20100281646ELECTRIC CLEANER - A vacuum cleaner includes a cleaner body capable of standing and inclining, an electric blower accommodated in the cleaner body, a floor nozzle capable of cleaning a surface while the cleaner body inclines, a mode detector detecting whether the cleaner body stands or inclines, and a controller controlling a power supplied to the electric blower. The controller is operable to supply a first power the electric blower if the mode detector detects that the cleaner body inclines, and to supply a second power lower than the first power to the electric blower if the mode detector detects that the cleaner body stands. This vacuum cleaner prevents the electric blower from overheating.11-11-2010

Yoshiaki Fujiwara, Shiga JP

Patent application numberDescriptionPublished
20080286672ELECTROPHOTOGRAPHIC PHOTORECEPTOR, METHOD FOR MANUFACTURING THE SAME, AND IMAGE-FORMING APPARATUS USING SAME - The invention relates to an electrophotographic photoreceptor in which protrusions from the surface of the photoreceptor are partly or completely covered by a resin. The effect of such resin covering is to reduce toner deposition, thereby reducing or eliminating spotting defects in images formed using the electrophotographic photoreceptor. The invention further relates to an image-forming apparatus incorporating such an electrophotographic photoreceptor.11-20-2008

Yukihiro Fujiwara, Shiga JP

Patent application numberDescriptionPublished
20090148326SCROLL COMPRESSOR - It is an object of the present invention to reduce impulsive sound of an Oldham ring and to prevent a driving noise of a scroll compressor from increasing.06-11-2009

Patent applications by Yukihiro Fujiwara, Shiga JP

Yuko Fujiwara, Shiga JP

Patent application numberDescriptionPublished
20090035452Photosensitive paste and manufacturing method of member for display panel - A photosensitive paste is provided with which a member for a display panel having superior visibility can be manufactured with simple steps, and with the photosensitive paste including a soft magnetic powder, a glass powder, and a photosensitive organic component, in which the mass ratio of the soft magnetic powder (A) to the glass powder (B) is in the range of 20/80 to 70/30.02-05-2009