Patents by Inventor Tomotaka Nishikawa
Tomotaka Nishikawa 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: 20220393132Abstract: A light-emitting element and a display device capable of improving the light emission property are provided. Each of a plurality of anode electrodes (11) is provided for a corresponding pixel. The pixel-isolating insulation film (12) has an opening (120) exposing corresponding one of the plurality of anode electrodes (11) to outside, and has an eave (123B) in the middle of a thickness direction of an inner wall of the opening (120). An organic layer (13) includes a CGL (132) cut by the eave (123B) of the pixel-isolating insulation film (12), and covers the opening (120). A cathode electrode (14) is disposed on a surface of the organic layer (13), the surface being a surface on the opposite side of the anode electrode (11).Type: ApplicationFiled: October 16, 2020Publication date: December 8, 2022Inventors: Tomotaka Nishikawa, Kunihiko Hikichi, Yuuki Sakai, Tsutomu Shimayama
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Patent number: 10341475Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: GrantFiled: June 21, 2017Date of Patent: July 2, 2019Assignee: Sony CorporationInventors: Koichi Nagasawa, Hirofumi Fujioka, Tomoki Sato, Tomotaka Nishikawa
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Publication number: 20180191880Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: ApplicationFiled: March 1, 2018Publication date: July 5, 2018Inventors: Koichi NAGASAWA, Hirofumi FUJIOKA, Tomoki SATO, Tomotaka NISHIKAWA
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Publication number: 20170289325Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: ApplicationFiled: June 21, 2017Publication date: October 5, 2017Inventors: Koichi NAGASAWA, Hirofumi FUJIOKA, Tomoki SATO, Tomotaka NISHIKAWA
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Patent number: 9712651Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: GrantFiled: December 21, 2016Date of Patent: July 18, 2017Assignee: Sony CorporationInventors: Koichi Nagasawa, Hirofumi Fujioka, Tomoki Sato, Tomotaka Nishikawa
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Publication number: 20170104857Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: ApplicationFiled: December 21, 2016Publication date: April 13, 2017Inventors: Koichi NAGASAWA, Hirofumi FUJIOKA, Tomoki SATO, Tomotaka NISHIKAWA
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Patent number: 9561543Abstract: A method for manufacturing metal powder includes: melting at least a portion of a metal starting material in a reaction vessel by utilizing plasma so as to form molten metal; evaporating the molten metal so as to produce a metal vapor; and transferring the metal vapor from the reaction vessel to a cooling tube together with a carrier gas supplied into the reaction vessel so as to cool the metal vapor, and condensing the metal vapor in the cooling tube, thereby producing metal powder. The method further includes supplying an oxygen gas into the reaction vessel.Type: GrantFiled: April 10, 2013Date of Patent: February 7, 2017Assignee: SHOEI CHEMICAL INC.Inventors: Fumiyuki Shimizu, Masayuki Maekawa, Tomotaka Nishikawa
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Patent number: 9548346Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: GrantFiled: October 15, 2015Date of Patent: January 17, 2017Assignee: Sony CorporationInventors: Koichi Nagasawa, Hirofumi Fujioka, Tomoki Sato, Tomotaka Nishikawa
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Publication number: 20160035815Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: ApplicationFiled: October 15, 2015Publication date: February 4, 2016Inventors: Koichi NAGASAWA, Hirofumi FUJIOKA, Tomoki SATO, Tomotaka NISHIKAWA
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Patent number: 9219081Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: GrantFiled: January 15, 2014Date of Patent: December 22, 2015Assignee: Sony CorporationInventors: Koichi Nagasawa, Hirofumi Fujioka, Tomoki Sato, Tomotaka Nishikawa
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Publication number: 20150101454Abstract: A method for manufacturing metal powder includes: melting at least a portion of a metal starting material in a reaction vessel by utilizing plasma so as to form molten metal; evaporating the molten metal so as to produce a metal vapor; and transferring the metal vapor from the reaction vessel to a cooling tube together with a carrier gas supplied into the reaction vessel so as to cool the metal vapor, and condensing the metal vapor in the cooling tube, thereby producing metal powder. The method further includes supplying an oxygen gas into the reaction vessel.Type: ApplicationFiled: April 10, 2013Publication date: April 16, 2015Inventors: Fumiyuki Shimizu, Masayuki Maekawa, Tomotaka Nishikawa
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Publication number: 20140312329Abstract: Provided is a display unit that includes: first electrodes; a metal member provided around the first electrodes; an insulating layer having a first opening on corresponding one of the first electrodes and a second opening on the metal member; an organic light emission layer provided on a surface including a bottom surface of the first opening, except for whole or part of a bottom surface of the second opening; a partition wall arranged in contact with at least the insulating layer, in which the partition wall is formed in a process different from a process of forming the insulating layer; and a second electrode provided in contact with a contact region and a portion above the bottom surface of the first opening in the organic light emission layer, in which the contact region is part of the bottom surface of the second opening.Type: ApplicationFiled: April 14, 2014Publication date: October 23, 2014Applicant: Sony CorporationInventors: Takuma Fujii, Hirofumi Fujioka, Tatsuya Maegawa, Tomotaka Nishikawa
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Publication number: 20140209914Abstract: A display unit includes: a display layer including a pixel electrode; a semiconductor layer provided in a layer below the display layer, the semiconductor layer including a wiring layer that includes a material removable by an etchant by which the pixel electrode is also removable; and a terminal section configured to electrically connect the semiconductor layer to an external circuit, the terminal section including a first electrically-conductive layer made of a material same as a material of the wiring layer.Type: ApplicationFiled: January 15, 2014Publication date: July 31, 2014Applicant: Sony CorporationInventors: Koichi NAGASAWA, Hirofumi FUJIOKA, Tomoki SATO, Tomotaka NISHIKAWA
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Patent number: 8144140Abstract: A display apparatus has a driving panel including a circuit part, a coating layer, and a display part, provided sequentially over a driving substrate. The driving panel includes: an adhesion region which includes the circuit part, the coating layer and the display part and to which a seal panel is adhered through an adhesive layer therebetween; and a terminal region protruding from the seal panel and the adhesive layer. A plurality of metallic wires electrically connected to the circuit part in the adhesion region are extended into the terminal region, and the coating layer is provided in the adhesion region with at least one separated region between the plurality of metallic wires. The separated region of the coating layer is so formed that an end edge thereof lies beyond the adhesion region to reach the terminal region but not to reach an end edge of the terminal region.Type: GrantFiled: June 9, 2008Date of Patent: March 27, 2012Assignee: Sony CorporationInventors: Tomotaka Nishikawa, Shinichiro Morikawa
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Patent number: 7781956Abstract: A display apparatus includes: a substrate; and a plurality of light emitting elements arrayed on the substrate and each formed from a lower electrode, a light emitting function layer and an upper electrode stacked in this order on the substrate. A rib for element isolation is provided on the substrate and has a plurality of openings individually corresponding to the light emitting elements. Each of the openings of the rib being formed such that at least one of sides which define a shape in plan is formed only from a curved line or extends in a non-parallel relationship to that of another one of the openings.Type: GrantFiled: March 13, 2008Date of Patent: August 24, 2010Assignee: Sony CorporationInventors: Akitsuna Takagi, Jiro Yamada, Tomotaka Nishikawa
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Patent number: 7662884Abstract: It is an object of the present invention, which has been made in view of the above-mentioned state of the art, to provide a cement admixture capable of improving the water-reducing ability of cement compositions and the like and enhancing the strength and durability of hardened products produced therefrom and further capable of adjusting the viscosity of such compositions so as to facilitate the works at the sites of handling the same, as well as a method of producing such cement additive. A cement admixture comprising a polycarboxylic acid polymer and a nitrogen atom-containing compound having non-amide bond, wherein the mass ratio (A/B) between the mass (A) of said polycarboxylic acid polymer and the mass (B) of said nitrogen atom-containing compound having non-amide bond satisfies the relation 200>(A/B)>1.Type: GrantFiled: April 23, 2003Date of Patent: February 16, 2010Assignee: Nippon Shokubai Co., Ltd.Inventors: Tsutomu Yuasa, Hiromichi Tanaka, Noboru Sakamoto, Tomotaka Nishikawa, Hiroko Izukashi, Toru Uno, Tsuyoshi Hirata, Tomiyasu Ueta, Yoshiyuki Onda
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Patent number: 7638563Abstract: The polycarboxylic acid concrete admixture of the present invention exhibits properties such as decreasing the concrete viscosity, improving the slump-retaining ability, and suppressing bleeding water, and is improved in the ability to cement compositions or the like. The above-mentioned polycarboxylic acid concrete admixture comprises a polycarboxylic acid polymer containing a polyalkylene glycol in the side chain, wherein the polycarboxylic acid polymer is obtained by polymerizing monomer components containing an alkyl (meth)acrylate monomer and a specific polyalkylene glycol unsaturated monomer and unsaturated carboxylic acid (salt) monomer, and it has a specific weight average molecular weight.Type: GrantFiled: May 7, 2004Date of Patent: December 29, 2009Assignee: Nippon Shokubai Co., Ltd.Inventors: Tomotaka Nishikawa, Toru Uno, Hirokazu Yamamoto, Yukiko Nishikawa, Hiromichi Tanaka, Tomiyasu Ueta
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Publication number: 20080309650Abstract: A display apparatus has a driving panel including a circuit part, a coating layer, and a display part, provided sequentially over a driving substrate. The driving panel includes: an adhesion region which includes the circuit part, the coating layer and the display part and to which a seal panel is adhered through an adhesive layer therebetween; and a terminal region protruding from the seal panel and the adhesive layer. A plurality of metallic wires electrically connected to the circuit part in the adhesion region are extended into the terminal region, and the coating layer is provided in the adhesion region with at least one separated region between the plurality of metallic wires. The separated region of the coating layer is so formed that an end edge thereof lies beyond the adhesion region to reach the terminal region but not to reach an end edge of the terminal region.Type: ApplicationFiled: June 9, 2008Publication date: December 18, 2008Applicant: SONY CORPORATIONInventors: Tomotaka Nishikawa, Shinichiro Morikawa
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Publication number: 20080224594Abstract: A display apparatus includes: a substrate; and a plurality of light emitting elements arrayed on the substrate and each formed from a lower electrode, a light emitting function layer and an upper electrode stacked in this order on the substrate. A rib for element isolation is provided on the substrate and has a plurality of openings individually corresponding to the light emitting elements. Each of the openings of the rib being formed such that at least one of sides which define a shape in plan is formed only from a curved line or extends in a non-parallel relationship to that of another one of the openings.Type: ApplicationFiled: March 13, 2008Publication date: September 18, 2008Applicant: SONY CORPORATIONInventors: Akitsuna Takagi, Jiro Yamada, Tomotaka Nishikawa
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Patent number: 7405264Abstract: It is an object of the present invention to provide a polycarboxylic acid polpolymer which improves the water reducing capacity and workability of cement compositions and the like and making them easier to handle when the fluidity and water reducing capacity are at the same levels, a method of producing the copolymer, and a cement additive and a cement composition comprising the copolymer. The present invention is further to provide a polycarboxylic acid copolymer and a cement additive which are capable of improving the strength and durability of hardening products of cement compositions, hence can advantageously be used in ultrahigh strength concrete. The present invention is polycarboxylic acid copolymers having high water reducing capacity, reducing the viscosity of cement compositions and improving the workability in applying cement.Type: GrantFiled: August 19, 2004Date of Patent: July 29, 2008Assignee: Nippon Shokubai Co., Ltd.Inventors: Tsutomu Yuasa, Tomotaka Nishikawa, Noboru Sakamoto, Tsuyoshi Hirata, Hiroko Izukashi, Tomiyasu Ueta, Hiromichi Tanaka, Yoshiyuki Onda, Toru Uno