Patents by Inventor Yasukazu Nakata
Yasukazu Nakata 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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Patent number: 10174234Abstract: A pressure-sensitive adhesive composition including an addition reaction type silicone polymer as a component (A); an ultraviolet absorber as a component (B); and a platinum group metal catalyst as a component (C). The ultraviolet absorber as the component (B) includes a benzophenone-based ultraviolet absorber and its amount is set to a value within the range of 1 part to 4 parts by weight relative to 100 parts by weight of the addition reaction type silicone polymer as the component (A). The amount of the platinum group metal catalyst as the component (C) is set to a value within the range of 0.001 parts to 0.05 parts by weight relative to 100 parts by weight of the addition reaction type silicone polymer as the component (A).Type: GrantFiled: December 19, 2014Date of Patent: January 8, 2019Assignee: LINTEC CorporationInventors: Tomio Hatanaka, Yasukazu Nakata, Takashi Matsushita, Kazuaki Morita
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Publication number: 20170107410Abstract: A pressure-sensitive adhesive composition and a pressure-sensitive adhesive sheet have excellent weather resistance and contain a silicone polymer having excellent curability as a main agent. A pressure-sensitive adhesive composition includes an addition reaction type silicone polymer as a component (A); an ultraviolet absorber as a component (B); and a platinum group metal catalyst as a component (C). The ultraviolet absorber as the component (B) includes a benzophenone-based ultraviolet absorber and its amount is set to a value within the range of 1 part to 4 parts by weight relative to 100 parts by weight of the addition reaction type silicone polymer as the component (A). The amount of the platinum group metal catalyst as the component (C) is set to a value within the range of 0.001 parts to 0.05 parts by weight relative to 100 parts by weight of the addition reaction type silicone polymer as the component (A).Type: ApplicationFiled: December 19, 2014Publication date: April 20, 2017Inventors: Tomio HATANAKA, Yasukazu NAKATA, Takashi MATSUSHITA, Kazuaki MORITA
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Publication number: 20150228906Abstract: Provided are an organic luminescent material exhibiting excellent horizontal orientation or the like when produced into a film, an efficient method for producing such an organic luminescent material, and an organic light emitting element using such an organic luminescent material. This organic luminescent material or the like is used as a host material and is represented by the following general formula (1), having a donor-acceptor-type molecular structure containing an electron acceptor-like tetrafluoroarylene structure in its central part and a diphenylamine structure linked to each of the two ends of the tetrafluoroarylene structure through an electron donor-like arylene group; in the general formula (1), the substituents R1 to R4 and a to h each independently represent a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, a substituted alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, a substituted aryl group having 6 to 20 carbon atoms, or an amino group.Type: ApplicationFiled: August 5, 2013Publication date: August 13, 2015Inventors: Masatsugu Taneda, Chihaya Adachi, Yasukazu Nakata
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Patent number: 8952371Abstract: An organic EL element comprises: a substrate; a first electrode formed at one surface side of the substrate; a second electrode opposing the first electrode; and an organic EL layer located between the first and second electrodes. In the organic EL element, the second electrode is a transparent electrode, and the first electrode is a reflecting electrode. The organic EL element is a top-emission type. The first electrode comprises a plurality of nanometer-size (nanometer-order) columnar structures formed on the above-mentioned one surface of the substrate, and each of the plurality of columnar structures has a metallic surface as the outermost surface.Type: GrantFiled: March 13, 2012Date of Patent: February 10, 2015Assignees: Panasonic Corporation, Kyushu University, National University Corporation, LINTEC CorporationInventors: Manabu Nakata, Chihaya Adachi, Yasukazu Nakata
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Publication number: 20130328038Abstract: Provided are a phosphorescent material which is excellent in horizontal orientation and the like when a thin film is formed, a process for efficiently producing the phosphorescent material, and a light emitting element using the phosphorescent material. The present invention provides a phosphorescent material represented by the following general formula (1), a process for producing the phosphorescent material, and a light emitting element using the phosphorescent material, wherein the phosphorescent material has a straight-chain conjugated structure, a 2-phenylpyridine ligand, a central metal and a ?-diketone-type ligand, In the general formula (1), end substituents R1 and R2 each is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or the like, substituents a to l and o to s each is a hydrogen atom or the like, the central metal M is platinum or the like, and repetition numbers m and n each is an integer of 0 to 4.Type: ApplicationFiled: March 5, 2012Publication date: December 12, 2013Applicants: KYUSHU UNIVERSITY, LINTEC CORPORATION, PANASONIC CORPORATIONInventors: Masatsugu Taneda, Chihaya Adachi, Takuma Yasuda, Manabu Nakata, Yasukazu Nakata
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Publication number: 20130277665Abstract: An organic EL element comprises: a substrate; a first electrode formed at one surface side of the substrate; a second electrode opposing the first electrode; and an organic EL layer located between the first and second electrodes. In the organic EL element, the second electrode is a transparent electrode, and the first electrode is a reflecting electrode. The organic EL element is a top-emission type. The first electrode comprises a plurality of nanometer-size (nanometer-order) columnar structures formed on the above-mentioned one surface of the substrate, and each of the plurality of columnar structures has a metallic surface as the outermost surface.Type: ApplicationFiled: March 13, 2012Publication date: October 24, 2013Applicants: PANASONIC CORPORATION, LINTEC CORPORATION, KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATIONInventors: Manabu Nakata, Chihaya Adachi, Yasukazu Nakata
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Patent number: 7812248Abstract: A light transmissible solar cell module including: solar cell units, which include a transparent substrate, a mirror electrode layer provided on a part of a surface of the transparent substrate, and a solar cell section provided on the mirror electrode layer, arranged in multi-levels; a first connecting wire electrically connected to an electrode provided on a surface side of the solar cell section; and a second connecting wire electrically connected to the mirror electrode layer, wherein the solar cell units are arranged so that a light entering from one side hits the solar cell section of an arbitrary solar cell unit and is reflected, and the reflected light reaches another side by being reflected by the mirror electrode layer of a solar cell unit arranged adjacent to the arbitrary solar cell unit.Type: GrantFiled: December 29, 2009Date of Patent: October 12, 2010Assignee: Lintec CorporationInventors: Kazuya Katoh, Yasukazu Nakata
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Patent number: 7804021Abstract: A light transmissible solar cell module including: solar cell units, which include a transparent substrate, a mirror electrode layer provided on a part of a surface of the transparent substrate, and a solar cell section provided on the mirror electrode layer, arranged in multi-levels; a first connecting wire electrically connected to an electrode provided on a surface side of the solar cell section; and a second connecting wire electrically connected to the mirror electrode layer, wherein the solar cell units are arranged so that a light entering from one side hits the solar cell section of an arbitrary solar cell unit and is reflected, and the reflected light reaches another side by being reflected by the mirror electrode layer of a solar cell unit arranged adjacent to the arbitrary solar cell unit.Type: GrantFiled: February 23, 2007Date of Patent: September 28, 2010Assignee: Lintec CorporationInventors: Kazuya Katoh, Yasukazu Nakata
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Publication number: 20100101629Abstract: A light transmissible solar cell module including: solar cell units, which include a transparent substrate, a minor electrode layer provided on a part of a surface of the transparent substrate, and a solar cell section provided on the minor electrode layer, arranged in multi-levels; a first connecting wire electrically connected to an electrode provided on a surface side of the solar cell section; and a second connecting wire electrically connected to the mirror electrode layer, wherein the solar cell units are arranged so that a light entering from one side hits the solar cell section of an arbitrary solar cell unit and is reflected, and the reflected light reaches another side by being reflected by the minor electrode layer of a solar cell unit arranged adjacent to the arbitrary solar cell unit.Type: ApplicationFiled: December 29, 2009Publication date: April 29, 2010Applicant: LINTEC CORPORATIONInventors: Kazuya Katoh, Yasukazu Nakata
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Patent number: 7626548Abstract: The present invention discloses: an IC inlet 110 which comprises a substrate 2, a surface circuit including a plain coil circuit portion 6 formed on the substrate and opposed electrodes 8 and 12 individually connected with the two ends of the plain coil circuit portion 6, and an IC chip 16 mounted in connection with the opposed electrodes, wherein a cut-away broken line 22 formed in at least a portion of the surface circuit so as to pass through the substrate and the surface circuit, and IC tag which is produced by the use of the IC inlet.Type: GrantFiled: June 20, 2005Date of Patent: December 1, 2009Assignee: Lintec CorporationInventors: Taiga Matsushita, Yasukazu Nakata, Takakazu Murakami
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Publication number: 20080203965Abstract: A light transmissible solar cell module including: solar cell units, which include a transparent substrate, a mirror electrode layer provided on a part of a surface of the transparent substrate, and a solar cell section provided on the mirror electrode layer, arranged in multi-levels; a first connecting wire electrically connected to an electrode provided on a surface side of the solar cell section; and a second connecting wire electrically connected to the mirror electrode layer, wherein the solar cell units are arranged so that a light entering from one side hits the solar cell section of an arbitrary solar cell unit and is reflected, and the reflected light reaches another side by being reflected by the mirror electrode layer of a solar cell unit arranged adjacent to the arbitrary solar cell unit.Type: ApplicationFiled: February 23, 2007Publication date: August 28, 2008Applicant: LINTEC CORPORATIONInventors: Kazuya Katoh, Yasukazu Nakata
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Patent number: 7397672Abstract: The present invention provides a flip chip mounting substrate which comprises an electronic circuit composed of a circuit line and plural mounting pads connected to both ends of the circuit line formed on one surface of a base sheet, wherein the plural mounting pads are faced each other and spaced a pad clearance gap apart, and one or more semiconductor mounting paste guide paths are formed in the mounting pads. The flip chip mounting substrate can reduce voids that might be produced in the semiconductor mounting paste, when flip-chip-mounting an IC chip on a flip chip mounting substrate.Type: GrantFiled: July 30, 2004Date of Patent: July 8, 2008Assignee: Lintec CorporationInventors: Yasukazu Nakata, Katsuyoshi Matsuura, Taiga Matsushita
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Publication number: 20080036677Abstract: The present invention discloses: an IC inlet 110 which comprises a substrate 2, a surface circuit including a plain coil circuit portion 6 formed on the substrate and opposed electrodes 8 and 12 individually connected with the two ends of the plain coil circuit portion 6, and an IC chip 16 mounted in connection with the opposed electrodes, wherein a cut-away broken line 22 formed in at least a portion of the surface circuit so as to pass through the substrate and the surface circuit, and IC tag which is produced by the use of the IC inlet.Type: ApplicationFiled: June 20, 2005Publication date: February 14, 2008Applicant: LINTEC CORPORATIONInventors: Taiga Matsushita, Yasukazu Nakata, Takakazu Murakami
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Patent number: 7294917Abstract: The present invention provides an IC tag which has a structure comprising a first adhesive layer laminated on a surface of a substrate sheet, an electronic circuit containing a circuit line having a bypass line and an IC chip connecting to the electronic circuit which are formed on a surface of the first adhesive layer, a second adhesive layer laminated for covering the electronic circuit and the IC chip, and a release agent layer formed partly at the position corresponding to a circuit section consisting of the electronic circuit and the IC chip and located at the interface between the substrate sheet and the first adhesive layer, wherein the angle formed by the tangent of the bypass line at the connection between the bypass line and the circuit line and the tangent of the circuit line at the connection is 10 degree or greater. When the IC tag attached to an article is peeled off, the built-in electronic circuit is surely broken.Type: GrantFiled: November 20, 2003Date of Patent: November 13, 2007Assignee: Lintec CorporationInventors: Taiga Matsushita, Masateru Yamakage, Yasukazu Nakata
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Publication number: 20060201703Abstract: The present invention provides a flip chip mounting substrate which comprises an electronic circuit composed of a circuit line and plural mounting pads connected to both ends of the circuit line formed on one surface of a base sheet, wherein the plural mounting pads are faced each other and spaced a pad clearance gap apart, and one or more semiconductor mounting paste guide paths are formed in the mounting pads. The flip chip mounting substrate can reduce voids that might be produced in the semiconductor mounting paste, when flip-chip-mounting an IC chip on a flip chip mounting substrate.Type: ApplicationFiled: July 30, 2004Publication date: September 14, 2006Inventors: Yasukazu Nakata, Katsuyoshi Matsuura, Taiga Matsushita
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Publication number: 20060139174Abstract: The present invention provides an IC tag which has a structure comprising a first adhesive layer laminated on a surface of a substrate sheet, an electronic circuit containing a circuit line having a bypass line and an IC chip connecting to the electronic circuit which are formed on a surface of the first adhesive layer, a second adhesive layer laminated for covering the electronic circuit and the IC chip, and a release agent layer formed partly at the position corresponding to a circuit section consisting of the electronic circuit and the IC chip and located at the interface between the substrate sheet and the first adhesive layer, wherein the angle formed by the tangent of the bypass line at the connection between the bypass line and the circuit line and the tangent of the circuit line at the connection is 10 degree or greater. When the IC tag attached to an article is peeled off, the built-in electronic circuit is surely broken.Type: ApplicationFiled: November 20, 2003Publication date: June 29, 2006Inventors: Taiga Matsushita, Masateru Yamakage, Yasukazu Nakata
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Patent number: 6927099Abstract: A process for producing a semiconductor device which comprises, in a process comprising mounting a semiconductor element in accordance with a flip chip bonding process, bonding the semiconductor element to a circuit board with a thermosetting resin, coating peripheral portions of the bonded semiconductor element with a photocurable resin and forming a fillet by photocuring the photocurable resin; and a semiconductor device comprising a semiconductor element mounted on a circuit board in accordance with a flip chip bonding process, wherein the semiconductor element is bonded to the circuit board with a thermosetting resin at portions directly under the semiconductor element, and a fillet is formed with a photocurable resin at peripheral portions of the semiconductor element. The semiconductor device can be efficiently produced in accordance with the flip chip bonding process and exhibits excellent resistance to heat and moisture and reliability.Type: GrantFiled: June 17, 2004Date of Patent: August 9, 2005Assignee: Lintec CorporationInventors: Yasukazu Nakata, Masateru Yamakage, Naoki Hasegawa
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Patent number: 6853286Abstract: To present the ID tag including flat coil component, and characteristic adjusting method of ID tag capable of suppressing product fluctuations about the desired characteristic. The flat coil component of the ID tag of the invention comprises a flat coil composed of a conductive material provided continuously and spirally on an insulating substrate, and a jumper disposed on the flat coil with insulation, from one of inner end or outer end of this flat coil to the outside or inside of the flat coil where other end is positioned, in which the jumper is composed of a plurality of jumpers variable in the number of pieces in arrangement. The characteristic is adjusted by varying the number of effective pieces for forming the parallel arrangement.Type: GrantFiled: May 10, 2002Date of Patent: February 8, 2005Assignee: Lintec CorporationInventors: Yoshio Nikawa, Taiga Matsushita, Yasukazu Nakata, Yuichi Iwakata
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Publication number: 20050009241Abstract: A process for producing a semiconductor device which comprises, in a process comprising mounting a semiconductor element in accordance with a flip chip bonding process, bonding the semiconductor element to a circuit board with a thermosetting resin, coating peripheral portions of the bonded semiconductor element with a photocurable resin and forming a fillet by photocuring the photocurable resin; and a semiconductor device comprising a semiconductor element mounted on a circuit board in accordance with a flip chip bonding process, wherein the semiconductor element is bonded to the circuit board with a thermosetting resin at portions directly under the semiconductor element, and a fillet is formed with a photocurable resin at peripheral portions of the semiconductor element. The semiconductor device can be efficiently produced in accordance with the flip chip bonding process and exhibits excellent resistance to heat and moisture and reliability.Type: ApplicationFiled: June 17, 2004Publication date: January 13, 2005Applicant: LINTEC CORPORATIONInventors: Yasukazu Nakata, Masateru Yamakage, Naoki Hasegawa
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Patent number: 6765289Abstract: Reinforcing material having Rockwell hardness of 60 or above and comprising base material and adhesive is formed, and then the reinforcing material is attached to one side of silicon wafer on which circuits are not formed prior to dicing.Type: GrantFiled: April 25, 2001Date of Patent: July 20, 2004Assignee: Lintec CorporationInventors: Yasukazu Nakata, Yuichi Iwakata, Takeshi Kondo, Hideo Senoo