Patents by Inventor Kunpei Kobayashi
Kunpei Kobayashi 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: 20230408861Abstract: An optical member including a polarizing plate having an absorption axis and a transmission axis which are orthogonal to each other, a reflective polarizing plate having a reflection axis and a transmission axis which are orthogonal to each other, and an optical anisotropic diffusion layer which is provided between the polarizing plate and the reflective polarizing plate and whose linear transmittance varies according to an incident light angle.Type: ApplicationFiled: September 1, 2023Publication date: December 21, 2023Applicants: TOPPAN INC., Tomoegawa Co., Ltd.Inventors: Ayumu SATO, Kunpei KOBAYASHI, Norihiro ARAI, Kazuhiko OOSAWA, Hiroto KATAGIRI, Masahide SUGIYAMA, Masao KATO
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Patent number: 11789323Abstract: A liquid crystal display device includes: first and second substrates; a liquid crystal layer interposed between the first and second substrates; a switching element provided on the first substrate; a first pixel electrode provided on the first substrate and electrically connected to a drain electrode of the switching element; an insulating film provided on the first pixel electrode; and a common electrode provided on the insulating film and including a first slit. The first pixel electrode extends in a first direction. The first slit extends in the first direction and is located above the first pixel electrode. In a planar view, both edges of the first pixel electrode in a second direction intersecting the first direction are located inside the first slit.Type: GrantFiled: March 24, 2022Date of Patent: October 17, 2023Assignee: TOPPAN INC.Inventors: Yayoi Nakamura, Kunpei Kobayashi
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Patent number: 11746217Abstract: A method for producing a rubber composition may include: mixing modified silica (B), pre-prepared by surface treatment of unmodified silica, with a modified conjugated diene-based polymer (A) and a polymer having crystalline character (C). A crosslinked product may be produced through crosslinking a rubber composition obtained from such a method. The crosslinked product may be used for producing a tire including a tread and a sidewall, wherein at least one of the tread and the sidewall is formed of the crosslinked product.Type: GrantFiled: January 28, 2022Date of Patent: September 5, 2023Assignee: ENEOS MATERIALS CORPORATIONInventors: Koichiro Tani, Naoki Sugiyama, Kunpei Kobayashi, Ryoji Tanaka
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Publication number: 20220214585Abstract: A liquid crystal display device includes: first and second substrates; a liquid crystal layer interposed between the first and second substrates; a switching element provided on the first substrate; a first pixel electrode provided on the first substrate and electrically connected to a drain electrode of the switching element; an insulating film provided on the first pixel electrode; and a common electrode provided on the insulating film and including a first slit. The first pixel electrode extends in a first direction. The first slit extends in the first direction and is located above the first pixel electrode. In a planar view, both edges of the first pixel electrode in a second direction intersecting the first direction are located inside the first slit.Type: ApplicationFiled: March 24, 2022Publication date: July 7, 2022Applicant: TOPPAN INC.Inventors: Yayoi NAKAMURA, Kunpei KOBAYASHI
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Patent number: 11370900Abstract: A rubber composition contains (A) a modified conjugated diene-based polymer, (B) modified silica, and (C) a polymer having crystalline character. A crosslinked product is produced through crosslinking of the rubber composition containing the modified conjugated diene-based polymer (A), the modified silica (B), and the polymer having crystalline character (C). The crosslinked product is used for producing a tire including a tread and a sidewall, wherein at least one of the tread and the sidewall is formed of the crosslinked product.Type: GrantFiled: August 16, 2019Date of Patent: June 28, 2022Assignee: ENEOS MATERIALS CORPORATIONInventors: Koichiro Tani, Naoki Sugiyama, Kunpei Kobayashi, Ryoji Tanaka
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Publication number: 20220153969Abstract: A method for producing a rubber composition may include: mixing modified silica (B), pre-prepared by surface treatment of unmodified silica, with a modified conjugated diene-based polymer (A) and a polymer having crystalline character (C). A crosslinked product may be produced through crosslinking a rubber composition obtained from such a method. The crosslinked product may be used for producing a tire including a tread and a sidewall, wherein at least one of the tread and the sidewall is formed of the crosslinked product.Type: ApplicationFiled: January 28, 2022Publication date: May 19, 2022Applicant: JSR CorporationInventors: Koichiro TANI, Naoki SUGIYAMA, Kunpei KOBAYASHI, Ryoji TANAKA
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Patent number: 11241913Abstract: A rubber composition contains: (A) a polymer having a carbon-carbon unsaturated bond and exhibiting a value ? of 0.6 or more as obtained by the following formula (i): ?=(p+(0.5×r))/(p+q+(0.5×r)+s)??(i) wherein p, q, r, and s are the proportions by mole of structural units represented by the following formulae (1), (2), (3), and (4), respectively in the polymer: and (B) modified silica.Type: GrantFiled: August 16, 2019Date of Patent: February 8, 2022Assignee: JSR CorporationInventors: Koichiro Tani, Takuya Sano, Takato Fukumoto, Naoki Sugiyama, Kunpei Kobayashi, Takumi Adachi, Jiro Ueda, Ryoji Tanaka
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Patent number: 10895779Abstract: A liquid crystal display includes a pixel comprising first to fourth sub-pixels capable of respectively displaying red, green, blue, and white. Each of the sub-pixels comprises a reflective area and a transmissive area. The liquid crystal display includes a first laminated member provided on a first substrate and a second laminated member provided on a second substrate. The first laminated member comprises a first retardation plate and a first polarizer. The second laminated member comprises a second retardation plate, a diffusion member for diffusing light, and a second polarizer.Type: GrantFiled: July 25, 2019Date of Patent: January 19, 2021Assignee: TOPPAN PRINTING CO., LTD.Inventors: Norihiro Arai, Kunpei Kobayashi, Ryota Mizusako
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Publication number: 20200087490Abstract: A rubber composition contains (A) a modified conjugated diene-based polymer, (B) modified silica, and (C) a polymer having crystalline character. A crosslinked product is produced through crosslinking of the rubber composition containing the modified conjugated diene-based polymer (A), the modified silica (B), and the polymer having crystalline character (C). The crosslinked product is used for producing a tire including a tread and a sidewall, wherein at least one of the tread and the sidewall is formed of the crosslinked product.Type: ApplicationFiled: August 16, 2019Publication date: March 19, 2020Applicant: JSR CorporationInventors: Koichiro Tani, Naoki Sugiyama, Kunpei Kobayashi, Ryoji Tanaka
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Publication number: 20200086687Abstract: A rubber composition contains: (A) a polymer having a carbon-carbon unsaturated bond and exhibiting a value ? of 0.6 or more as obtained by the following formula (i): ?=(p+(0.5×r))/(p+q+(0.5×r)+s)??(i) wherein p, q, r, and s are the proportions by mole of structural units represented by the following formulae (1), (2), (3), and (4), respectively in the polymer: and (B) modified silica.Type: ApplicationFiled: August 16, 2019Publication date: March 19, 2020Applicant: JSR CorporationInventors: Koichiro TANI, Takuya SANO, Takato FUKUMOTO, Naoki SUGIYAMA, Kunpei KOBAYASHI, Takumi ADACHI, Jiro UEDA, Ryoji TANAKA
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Publication number: 20190348006Abstract: A liquid crystal display includes a pixel comprising first to fourth sub-pixels capable of respectively displaying red, green, blue, and white. Each of the sub-pixels comprises a reflective area and a transmissive area. The liquid crystal display includes a first laminated member provided on a first substrate and a second laminated member provided on a second substrate. The first laminated member comprises a first retardation plate and a first polarizer. The second laminated member comprises a second retardation plate, a diffusion member for diffusing light, and a second polarizer.Type: ApplicationFiled: July 25, 2019Publication date: November 14, 2019Applicant: TOPPAN PRINTING CO., LTD.Inventors: Norihiro Arai, Kunpei Kobayashi, Ryota Mizusako
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Patent number: 10416488Abstract: A liquid crystal display includes: a first substrate and a second substrate arranged to face each other; a liquid crystal layer provided between the first substrate and the second substrate and having a vertical alignment (VA) mode; a first electrode provided on the first substrate and extending in a first direction; a first pixel electrode and a second pixel electrode which are provided in one pixel region and above the first electrode, with an insulating layer interposed, and which are arrayed in the first direction; a first contact member which connects the first electrode and the first pixel electrode to each other; a second contact member which connects the first electrode and the second pixel electrode to each other; and a common electrode provided on the second substrate.Type: GrantFiled: October 26, 2017Date of Patent: September 17, 2019Assignee: TOPPAN PRINTING CO., LTD.Inventors: Norihiro Arai, Hiromitsu Ishii, Ryota Mizusako, Kunpei Kobayashi
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Publication number: 20190218378Abstract: Provided is a method that can produce an inexpensive rubber composition capable of providing a rubber elastic body having high strength. A method for producing a rubber composition of the present invention includes steps of: (A) kneading a component containing at least a highly saturated conjugated diene-based polymer and a crosslinking agent component; (B) kneading a component containing at least a conjugated diene-based polymer other than the highly saturated conjugated diene-based polymer; and (C) kneading an intermediate composition (a) obtained in the step (A) and an intermediate composition (b) obtained in the step (B).Type: ApplicationFiled: March 26, 2019Publication date: July 18, 2019Applicant: JSR CorporationInventors: Takumi ADACHI, Takuya SANO, Takato FUKUMOTO, Naoya HONDA, Kunpei KOBAYASHI, Jiro UEDA
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Patent number: 10025137Abstract: A liquid crystal display device includes: a first substrate and a second substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate, containing P-type liquid crystal molecules, and configured to be perpendicularly aligned when no electric field is applied; a pixel including a reflecting region and a transmitting region, cell gaps of the reflecting region and the transmitting region being the same; one pixel electrode formed into a line on the first electrode; a first common electrode provided on the first substrate to sandwich the pixel electrode; a second common electrode provided on the second substrate; and a reflecting film provided in the reflecting region to overlap a portion of the pixel electrode, and comprising a conductive material.Type: GrantFiled: February 25, 2016Date of Patent: July 17, 2018Assignee: ORTUS TECHNOLOLGY CO., LTD.Inventors: Norihiro Arai, Kunpei Kobayashi, Ryota Mizusako
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Patent number: 9897869Abstract: A liquid crystal display device includes: first and second substrates disposed to be opposed to each other; a liquid crystal layer held between the first and second substrates, formed of a p-type liquid crystal material, and configured to take a vertical alignment in a state in which no electric field is applied; one or a plurality of linear pixel electrodes provided on the first substrate; a first common electrode provided on the first substrate, and formed in a manner to surround or sandwich the pixel electrode with a predetermined spacing; and a second common electrode provided on the second substrate, having substantially the same planar shape as the first common electrode, and formed such that at least a part of the second common electrode overlaps the first common electrode in planar projection.Type: GrantFiled: July 1, 2016Date of Patent: February 20, 2018Assignee: ORTUS TECHNOLOGY CO., LTD.Inventors: Norihiro Arai, Kunpei Kobayashi, Ryota Mizusako
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Publication number: 20180046009Abstract: A liquid crystal display includes: a first substrate and a second substrate arranged to face each other; a liquid crystal layer provided between the first substrate and the second substrate and having a vertical alignment (VA) mode; a first electrode provided on the first substrate and extending in a first direction; a first pixel electrode and a second pixel electrode which are provided in one pixel region and above the first electrode, with an insulating layer interposed, and which are arrayed in the first direction; a first contact member which connects the first electrode and the first pixel electrode to each other; a second contact member which connects the first electrode and the second pixel electrode to each other; and a common electrode provided on the second substrate.Type: ApplicationFiled: October 26, 2017Publication date: February 15, 2018Applicant: Ortus Technology Co., Ltd.Inventors: Norihiro ARAI, Hiromitsu ISHll, Ryota Mizusako, Kunpei KOBAYASHI
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Patent number: 9664948Abstract: A liquid crystal display includes: first and second substrates; a liquid crystal layer sandwiched between the first and second substrates and comprising a polymer network liquid crystal (PNLC) or a polymer dispersed liquid crystal (PDLC); a common electrode provided on the first substrate; transistors provided on the second substrate for respective pixels; a reflective film provided on the transistors; a color filter provided on the reflective film; and pixel electrodes provided on the color filter and electrically connected to drain electrodes of the respective transistors.Type: GrantFiled: March 11, 2015Date of Patent: May 30, 2017Assignee: ORTUS TECHNOLOGY CO., LTD.Inventors: Norihiro Arai, Kunpei Kobayashi, Ryota Mizusako
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Publication number: 20160313616Abstract: A liquid crystal display device includes: first and second substrates disposed to be opposed to each other; a liquid crystal layer held between the first and second substrates, formed of a p-type liquid crystal material, and configured to take a vertical alignment in a state in which no electric field is applied; one or a plurality of linear pixel electrodes provided on the first substrate; a first common electrode provided on the first substrate, and formed in a manner to surround or sandwich the pixel electrode with a predetermined spacing; and a second common electrode provided on the second substrate, having substantially the same planar shape as the first common electrode, and formed such that at least a part of the second common electrode overlaps the first common electrode in planar projection.Type: ApplicationFiled: July 1, 2016Publication date: October 27, 2016Applicant: ORTUS TECHNOLOGY CO., LTD.Inventors: Norihiro ARAI, Kunpei KOBAYASHI, Ryota MIZUSAKO
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Publication number: 20160170263Abstract: A liquid crystal display device includes: a first substrate and a second substrate; a liquid crystal layer sandwiched between the first substrate and the second substrate, containing P-type liquid crystal molecules, and configured to be perpendicularly aligned when no electric field is applied; a pixel including a reflecting region and a transmitting region, cell gaps of the reflecting region and the transmitting region being the same; one pixel electrode formed into a line on the first electrode; a first common electrode provided on the first substrate to sandwich the pixel electrode; a second common electrode provided on the second substrate; and a reflecting film provided in the reflecting region to overlap a portion of the pixel electrode, and comprising a conductive material.Type: ApplicationFiled: February 25, 2016Publication date: June 16, 2016Applicant: ORTUS TECHNOLOGY CO., LTD.Inventors: Norihiro ARAI, Kunpei KOBAYASHI, Ryota MIZUSAKO
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Publication number: 20150185556Abstract: A liquid crystal display includes: first and second substrates; a liquid crystal layer sandwiched between the first and second substrates and comprising a polymer network liquid crystal (PNLC) or a polymer dispersed liquid crystal (PDLC); a common electrode provided on the first substrate; transistors provided on the second substrate for respective pixels; a reflective film provided on the transistors; a color filter provided on the reflective film; and pixel electrodes provided on the color filter and electrically connected to drain electrodes of the respective transistors.Type: ApplicationFiled: March 11, 2015Publication date: July 2, 2015Applicant: ORTUS TECHNOLOGY CO., LTD.Inventors: Norihiro ARAI, Kunpei KOBAYASHI, Ryota MIZUSAKO