Patents by Inventor Junichi Tsukada
Junichi Tsukada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240111226Abstract: An image forming apparatus, having a photosensitive drum assembly, an exposure head, and a bearing, is provided. The photosensitive drum assembly includes a photosensitive drum and a flange disposed at an end of the photosensitive drum in an axial direction of an axis of the photosensitive drum. The flange contacts an inner surface of the photosensitive drum. The exposure head includes a plurality of light emitters aligned along the axial direction of the photosensitive drum, a lens array focusing light from the light emitters on the photosensitive drum, and a head frame to support the light emitters and the lens array. The bearing has a first contact face to contact the exposure head to define a distance between the lens array and the photosensitive drum along a direction of an optical axis of the light.Type: ApplicationFiled: October 13, 2023Publication date: April 4, 2024Inventors: Takamasa Tsukada, Junichi Yokoi
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Publication number: 20230047058Abstract: One of the objects of the present invention is to provide a thermally conductive silicone resin composition which has good thermal conductivity, a light weight (namely, a light weight per unit volume), and good reliability in high humidity, and a molded body thereof. The present invention provides a thermally conductive silicone resin composition comprising the following components (A) to (E): (A) an organopolysiloxane having at least two alkenyl groups each bonded to a silicon atom in an amount of 100 parts by mass, (B) an organohydrogen polysiloxane having at least two hydrogen atoms each bonded to a silicon atom in an amount such that a ratio of the number of the hydrogen atom bonded to a silicon atom relative to the number of the alkenyl group in component (A) is 0.1 to 2, (C) a thermally conductive filler in an amount of 2500 to 6000 parts by mass, (D) a catalytic amount of an addition reaction catalyst, and (E) an addition-reaction controlling agent in an amount of 0.Type: ApplicationFiled: December 8, 2020Publication date: February 16, 2023Inventors: Takanori Ito, Akihiro Endo, Junichi Tsukada
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Publication number: 20220403113Abstract: Provided is a thermally conductive silicone composition that can be turned into a lightweight cured product superior in thermal conductivity, and is easily processable due to its low viscosity. The composition contains: (A) an organopolysiloxane having at least two alkenyl groups per each molecule; (B) an organohydrogenpolysiloxane having, per each molecule, at least two hydrogen atoms directly bonded to silicon atoms; (C) a thermally conductive filler containing magnesium oxide (20 to 40% by mass), aluminum oxide (40 to 60% by mass) and aluminum hydroxide (10 to 30% by mass); (D) a dimethylpolysiloxane with one end of the molecular chain thereof being blocked by a trialkoxy group; (E) a platinum group metal-based curing catalyst; and (F) an addition reaction control agent.Type: ApplicationFiled: October 27, 2020Publication date: December 22, 2022Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Junichi TSUKADA, Takanori ITO, Akihiro ENDO, Megumi MIYANO
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Publication number: 20210355363Abstract: A thermal conductive silicone composition containing: (A) 100 parts by mass of an organopolysiloxane having at least two alkenyl groups per molecule; (B) an organohydrogenpolysiloxane having at least two hydrogen atoms directly bonded to silicon atoms, the moles of hydrogen atoms directly bonded to silicon atoms is 0.1-5.0 times the moles of alkenyl groups derived from the component (A); (C) 2,800-4,000 parts by mass of a heat conductive filler including 50 mass % or more of a mixture of 25-35 mass % of aluminum hydroxide having an average particle size of 0.1 ?m or more and less than 40 ?m and 65-75 mass % of aluminum hydroxide having an average particle size of 40 ?m or more and 100 ?m or less; and (D) a platinum group metal-based curing catalyst having a mass-based platinum group metal element content of 0.1-1,000 ppm relative to the component (A).Type: ApplicationFiled: August 5, 2019Publication date: November 18, 2021Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Junichi TSUKADA, Yasuhisa ISHIHARA, Yuya HIRONAKA
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Patent number: 9520522Abstract: A method of manufacturing a solar cell module comprising pressing a first silicone gel sheet provided on a sunlight receiving surface of a solar cell string and a second silicone gel sheet provided on an opposite side sunlight non-receiving surface of the solar cell string in vacuum to encapsulate the solar cell string with the first and second silicone gel sheets; disposing the sunlight receiving surface side of the first silicone gel sheet on one surface of a transparent light receiving panel and disposing butyl rubber in a picture frame-like shape along an outer peripheral portion of a panel where the first silicone gel sheet is not formed and laying the light receiving panel and the light non-receiving panel or back sheet over each other with the silicone gel sheet-encapsulated solar cell string on the inside, and pressing them at 100 to 150° C. in vacuum to press bond the light receiving surface panel and the light non-receiving surface panel or back sheet to each other through the butyl rubber.Type: GrantFiled: October 3, 2013Date of Patent: December 13, 2016Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tomoyoshi Furihata, Atsuo Ito, Hiroto Ohwada, Hyung Bae Kim, Sumio Sekiyama, Junichi Tsukada, Atsushi Yaginuma, Naoki Yamakawa
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Publication number: 20160300969Abstract: This silicone adhesive sheet, which has ultraviolet ray shielding properties and is for sealing a solar cell, and which forms a silicone adhesive layer contacting a back surface panel in a solar cell module provided with a light-receiving surface panel, a back surface panel, a silicone adhesive layer contacting both surface panels, and a plurality of solar cells that are sealed by being interposed between both adhesive layers, is characterized by imparting a light transmission rate of no greater than 30% when measuring the light transmission rate at a wavelength of 380 nm to a cured product having a thickness of 2 mm. The silicone adhesive sheet is of a millable type able to capable of extrusion molding, calendering molding, and the like, and modularization using a vacuum laminator is possible of a laminate of a light-receiving surface panel, a silicone adhesive sheet, a solar cell, the silicone adhesive sheet of the present invention, and a back surface panel (back sheet).Type: ApplicationFiled: October 30, 2014Publication date: October 13, 2016Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Naoki YAMAKAWA, Minoru IGARASHI, Atsushi YAGINUMA, Tomoyoshi FURIHATA, Hiroto OHWADA, Junichi TSUKADA, Atsuo ITO
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Patent number: 9385253Abstract: A method of manufacturing a solar cell module comprising adhering a first silicone gel sheet to one surface of a transparent light receiving panel to be a sunlight incidence surface; adhering a second silicone gel sheet to one surface of a light non-receiving panel or back sheet on the side opposite to the sunlight incidence surface; disposing a solar cell string on the first silicone gel sheet of the light receiving panel, and disposing butyl rubber in a picture frame-like shape along an outer peripheral region of a panel where either of the silicone gel sheets are not formed; and laying the light receiving panel and the light non-receiving panel or back sheet over each other with the silicone gel sheets on the inside, and pressing them at 100 to 150° C. in vacuum to encapsulate the solar cell string with the silicone gel sheets and press bond the light receiving panel and the light non-receiving panel or back sheet to each other through the butyl rubber.Type: GrantFiled: October 3, 2013Date of Patent: July 5, 2016Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tomoyoshi Furihata, Atsuo Ito, Hiroto Ohwada, Hyung Bae Kim, Sumio Sekiyama, Junichi Tsukada, Atsushi Yaginuma, Naoki Yamakawa
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Patent number: 9299875Abstract: A solar cell module is manufactured by encapsulating a solar cell matrix comprising a plurality of electrically connected solar cell components between a transparent panel and a backsheet with a resin. The method involves (i) embossing opposite surfaces of a green silicone rubber sheet, (ii) arranging a transparent panel (13a), silicone rubber sheet (11), solar cell matrix (14), silicone rubber sheet (11), and backsheet (13b) to form a multilayer assembly, and (iii) heating and compressing the assembly for vacuum lamination for establishing a seal around the solar cell matrix.Type: GrantFiled: August 18, 2014Date of Patent: March 29, 2016Assignee: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tomoyoshi Furihata, Hiroto Ohwada, Junichi Tsukada, Atsuo Ito, Atsushi Yaginuma, Naoki Yamakawa, Minoru Igarashi
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Publication number: 20150287860Abstract: A solar cell module is constructed from light-receiving surface and back surface panels, a solar cell matrix comprising a plurality of solar cells sandwiched between the panels, and a silicone encapsulant layer for encapsulating the solar cell matrix. A silicone encapsulant composition is to form the silicone encapsulant layer that has a storage elastic modulus of 1-300 MPa in a temperature range of ?40° C. to 85° C.Type: ApplicationFiled: April 2, 2015Publication date: October 8, 2015Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Junichi Tsukada, Tomoyoshi Furihata, Hiroto Ohwada, Atsuo Ito, Naoki Yamakawa, Atsushi Yaginuma
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Publication number: 20150064831Abstract: A solar cell module is manufactured by encapsulating a solar cell matrix comprising a plurality of electrically connected solar cell components between a transparent panel and a backsheet with a resin. The method involves (i) embossing opposite surfaces of a green silicone rubber sheet, (ii) arranging a transparent panel (13a), silicone rubber sheet (11), solar cell matrix (14), silicone rubber sheet (11), and backsheet (13b) to form a multilayer assembly, and (iii) heating and compressing the assembly for vacuum lamination for establishing a seal around the solar cell matrix.Type: ApplicationFiled: August 18, 2014Publication date: March 5, 2015Applicant: Shin-Etsu Chemical Co., Ltd.Inventors: Tomoyoshi Furihata, Hiroto Ohwada, Junichi Tsukada, Atsuo Ito, Atsushi Yaginuma, Naoki Yamakawa, Minoru Igarashi
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Patent number: 8722285Abstract: A pellicle for lithography, in which an agglutinant layer is so controlled that the deformation of the pellicle frame is prevented from transferring to an exposure original plate to which the pellicle is attached so that pattern transferred scarcely undergoes deformation; in particular the agglutinant layer has a Young's modulus of 0.02 to 0.08 MPa and a tensile bond strength of 0.04 to 0.08 N/mm2.Type: GrantFiled: April 25, 2012Date of Patent: May 13, 2014Assignee: Shin-Etsu Chemical Co., LtdInventors: Junichi Tsukada, Toru Shirasaki
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Publication number: 20140099746Abstract: A method of manufacturing a solar cell module includes pressing a first silicone gel sheet provided on a sunlight receiving surface and a second silicone gel sheet provided on an opposite side sunlight non-receiving surface in vacuum to encapsulate the solar cell string with the first and second silicone gel sheets; disposing the sunlight receiving side of the first silicone gel sheet on one surface of a transparent light receiving panel and disposing butyl rubber in a picture frame-like shape along an outer peripheral portion of the first silicone gel sheet and laying the light receiving panel and the light non-receiving panel or back sheet over each other with the silicone gel sheet-encapsulated solar cell string on the inside, and pressing them at 100 to 150° C. in vacuum to press bond the light receiving panel and the non-receiving panel to each other through the butyl rubber.Type: ApplicationFiled: October 3, 2013Publication date: April 10, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tomoyoshi Furihata, Atsuo Ito, Hiroto Ohwada, Hyung Bae Kim, Sumio Sekiyama, Junichi Tsukada, Atsushi Yaginuma, Naoki Yamakawa
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Publication number: 20140096885Abstract: A method of manufacturing a solar cell module includes adhering a first silicone gel sheet to one surface of a transparent light receiving panel to be a sunlight incidence surface; adhering a second silicone gel sheet to one surface of a light non-receiving panel on the side opposite to the sunlight incidence surface; disposing a solar cell string on the first silicone gel sheet of the light receiving panel, and disposing butyl rubber in a picture frame-like shape along an outer peripheral portion of the first silicone gel sheet; and laying the light receiving panel and the non-receiving panel over each other with the silicone gel sheets on the inside, and pressing them at 100 to 150° C. in vacuum to encapsulate the solar cell string with the silicone gel sheets and press bond the light receiving panel and the non-receiving panel to each other through the butyl rubber.Type: ApplicationFiled: October 3, 2013Publication date: April 10, 2014Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Tomoyoshi Furihata, Atsuo Ito, Hiroto Ohwada, Hyung Bae Kim, Sumio Sekiyama, Junichi Tsukada, Atsushi Yaginuma, Naoki Yamakawa
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Publication number: 20120276473Abstract: A pellicle for lithography, in which an agglutinant layer is so controlled that the deformation of the pellicle frame is prevented from transferring to an exposure original plate to which the pellicle is attached so that pattern transferred scarcely undergoes deformation; in particular the agglutinant layer has a Young's modulus of 0.02 to 0.08 MPa and a tensile bond strength of 0.04 to 0.08 N/mm2.Type: ApplicationFiled: April 25, 2012Publication date: November 1, 2012Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Junichi TSUKADA, Toru Shirasaki
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Patent number: 8293433Abstract: There is provided a method for manufacturing a pellicle in which the pellicle frame is prepared by being heated at a predetermined temperature while constricting the frame to some extent of flatness to achieve a desired flatness and future stability against heat.Type: GrantFiled: September 30, 2010Date of Patent: October 23, 2012Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Junichi Tsukada, Toru Shirasaki
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Publication number: 20110081604Abstract: There is provided a method for manufacturing a pellicle in which the pellicle frame is prepared by being heated at a predetermined temperature while constricting the frame to some extent of flatness to achieve a desired flatness and future stability against heat.Type: ApplicationFiled: September 30, 2010Publication date: April 7, 2011Applicant: SHIN-ETSU CHEMICAL CO., LTD.Inventors: Junichi Tsukada, Toru Shirasaki
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Publication number: 20110081603Abstract: A pellicle for lithography is provided that includes a pellicle frame, a pellicle film stretched over one end face of the pellicle frame, and a pressure-sensitive adhesion layer provided on the other end face, the pressure-sensitive adhesion layer being formed from a gel composition.Type: ApplicationFiled: September 30, 2010Publication date: April 7, 2011Applicant: SHIN-ETSU CHEMICAL CO., LTDInventors: Toru SHIRASAKI, Junichi Tsukada
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Patent number: 5821053Abstract: A method for finding an agent which inhibits interaction between LIL-Stat protein and a nucleic acid having a LIL-Stat binding sequence is described. The LIL-Stat protein is contacted with the nucleic acid in the presence of an agent which inhibits or does not inhibit the interaction between the LIL-Stat protein and the nucleic acid. It is determined whether or not the agent inhibits this interaction. Also described are a method for treating an inflammatory response in a mammal, a therapeutic inhibitory agent suitable for treating or preventing an inflammatory response in a mammal, and DNA molecules having a DNA sequence encoding a binding site for the LIL-Stat protein.Type: GrantFiled: February 10, 1995Date of Patent: October 13, 1998Assignee: Center for Blood Research, Inc.Inventors: Philip E. Auron, Junichi Tsukada, Wayne R. Waterman, Andrew C. Webb