Patents by Inventor Takahiro Kawai
Takahiro Kawai 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: 20240094634Abstract: A radiation-sensitive resin composition contains: a first polymer having a first structural unit including a partial structure obtained by substituting a hydrogen atom of a carboxy group or of a phenolic hydroxy group with an acid-labile group represented by formula (1); and a compound including: a monovalent radiation-sensitive onium cation moiety including an aromatic ring structure which includes a fluorine atom or a fluorine atom-containing group; and a monovalent organic acid anion moiety. Ar1 represents a group obtained by removing one hydrogen atom from a substituted or unsubstituted aromatic ring structure having 5 to 30 ring atoms; R 1 and R2 each independently represent a substituted or unsubstituted monovalent aliphatic hydrocarbon group having 1 to 10 carbon atoms; and * denotes a site bonding to an ethereal oxygen atom in the carboxy group or an oxygen atom in the phenolic hydroxy group.Type: ApplicationFiled: August 21, 2023Publication date: March 21, 2024Applicant: JSR CORPORATIONInventors: Katsuaki NISHIKORI, Takahiro KAWAI
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Publication number: 20240080980Abstract: Uneven distribution of current is suppressed even in a condition that semiconductor elements are mounted in a limited area on a circuit board. A power supply device includes a secondary battery cell, charging/discharging FETs, and a circuit board including a first terminal block and a second terminal block. A first charging/discharging FET and a third charging/discharging FET are disposed at a side of the first terminal block on circuit board. A second charging/discharging FET and a fourth charging/discharging FET are disposed at a side of the second terminal block on circuit board. A first current path connecting the first charging/discharging FET in series to the second charging/discharging FET is longer than a second current path connecting the third charging/discharging FET in series to the fourth charging/discharging FET. The first current path includes a first current impeding region configured to impede current flow.Type: ApplicationFiled: January 20, 2022Publication date: March 7, 2024Inventors: NAOKI KAWAI, TAKAHIRO YAMASHITA
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Publication number: 20240079749Abstract: Erroneous fuse-blowout during assembling is avoided, thereby improving workability. A power supply device includes a battery unit and a circuit unit electrically connected to the battery unit for controlling charging and discharging. The battery unit includes a series connection including secondary battery cells connected at least in series to one another, a battery-side ground on a low-voltage side of the series connection, and a battery-side output on a high-voltage side of the series connection. The circuit unit includes an overvoltage-detecting fuse configured to detect an overvoltage and to blow upon detecting the overvoltage.Type: ApplicationFiled: January 20, 2022Publication date: March 7, 2024Inventors: NAOKI KAWAI, TAKAHIRO YAMASHITA
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Publication number: 20240072398Abstract: Unintentional damage of a power supply device during assembling of the device is avoided to increase workability of the assembling. The power supply device includes secondary battery cells each including an electrode terminal, a battery holder holding the cells, and a circuit board including a control circuit mounted thereon and electrically connected to the cells to control charging and discharging. A method of manufacturing the device includes connecting, to a board-side ground terminal disposed on the board, a battery-side ground terminal drawn outside from the holder as a ground of a total output of the cells electrically connected in series and/or parallel, mounting the board on a surface of the holder, and connecting, to respective one or more board-side intermediate terminals disposed on the board, one or more battery-side intermediate terminals disposed on the holder being electrically connected to at least one of the cells.Type: ApplicationFiled: January 20, 2022Publication date: February 29, 2024Inventors: NAOKI KAWAI, TAKAHIRO YAMASHITA, TOMOYUKI ICHIZA
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Publication number: 20230382912Abstract: The present invention provides a compound having the basic structure shown by Formula (I) in which the indole ring and the pyrazolopyridine structure is bound through a substituent, a salt thereof or a solvate of either the compound or a salt of the compound, as well as a preventative agent or a therapeutic agent for non-insulin-dependent diabetes mellitus (Type 2 diabetes) or obesity containing such compound, salt or solvate as an active ingredient.Type: ApplicationFiled: August 11, 2023Publication date: November 30, 2023Applicant: Chugai Seiyaku Kabushiki KaishaInventors: Hitoshi YOSHINO, Satoshi TSUCHIYA, Atsushi MATSUO, Tsutomu SATO, Masahiro NISHIMOTO, Kyoko OGURI, Hiroko OGAWA, Yoshikazu NISHIMURA, Yoshiyuki FURUTA, Hirotaka KASHIWAGI, Nobuyuki HORI, Takuma KAMON, Takuya SHIRAISHI, Shoshin YOSHIDA, Takahiro KAWAI, Satoshi TANIDA, Masahide AOKI
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Patent number: 11814381Abstract: The present invention provides the compound, 3-[(1S,2S)-1-[5-[(4S)-2,2-Dimethyloxan-4-yl]-2-[(4S)-2-(4-fluoro-3,5-dimethylphenyl)-3-[3-(4-fluoro-1-methylindazol-5-yl)-2-oxoimidazol-1-yl]-4-methyl-6,7-dihydro-4H-pyrazolo[4,3-c]pyridine-5-carbonyl]indol-1-yl]-2-methylcyclopropyl]-4H-1,2,4-oxadiazol-5-one, or a pharmaceutically acceptable salt of the compound, as well as a preventative agent or a therapeutic agent for non-insulin-dependent diabetes mellitus (Type 2 diabetes) or obesity containing such compound.Type: GrantFiled: October 7, 2020Date of Patent: November 14, 2023Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Hitoshi Yoshino, Satoshi Tsuchiya, Atsushi Matsuo, Tsutomu Sato, Masahiro Nishimoto, Kyoko Oguri, Hiroko Ogawa, Yoshikazu Nishimura, Yoshiyuki Furuta, Hirotaka Kashiwagi, Nobuyuki Hori, Takuma Kamon, Takuya Shiraishi, Shoshin Yoshida, Takahiro Kawai, Satoshi Tanida, Masahide Aoki
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Patent number: 11074937Abstract: According to one embodiment, a magnetic disk device includes a plurality of disks including a first area to which data is randomly written in normal recording and to which an LBA is added, and a second area to which data is written in shingled recording to write a plurality of tracks overlaid in a radial direction and to which an LBA is added, a plurality of heads, and a controller which writes data to the first area in the normal recording, writes data to the second area in the shingled recording, and changes the first area in accordance with a first recording capacity of a first recording surface in each of the disks, which corresponds to a first head of the heads, when the first head is inhibited from being used.Type: GrantFiled: September 10, 2020Date of Patent: July 27, 2021Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronic Devices & Storage CorporationInventors: Takahiro Kawai, Tatsuo Nitta
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Publication number: 20210017176Abstract: The present invention provides the compound, 3-[(1S,2S)-1-[5-[(4S)-2,2-Dimethyloxan-4-yl]-2-(4S)-2-(4-fluoro-3,5-dimethylphenyl)-3-[3-(4-fluoro-1-methylindazol-5-yl)-2-oxoimidazol-1-yl]-4-methyl-6,7-dihydro-4H-pyrazolo[4,3-c]pyridine-5-carbonyl]indol-1-yl]-2-methylcyclopropyl]-4H-1,2,4-oxadiazol-5-one, or a pharmaceutically acceptable salt of the compound, as well as a preventative agent or a therapeutic agent for non-insulin-dependent diabetes mellitus (Type 2 diabetes) or obesity containing such compound.Type: ApplicationFiled: October 7, 2020Publication date: January 21, 2021Applicant: Chugai Seiyaku Kabushiki KaishaInventors: Hitoshi YOSHINO, Satoshi TSUCHIYA, Atsushi MATSUO, Tsutomu SATO, Masahiro NISHIMOTO, Kyoko OGURI, Hiroko OGAWA, Yoshikazu NISHIMURA, Yoshiyuki FURUTA, Hirotaka KASHIWAGI, Nobuyuki HORI, Takuma KAMON, Takuya SHIRAISHI, Shoshin YOSHIDA, Takahiro KAWAI, Satoshi TANIDA, Masahide AOKI
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Patent number: 10858356Abstract: The present invention provides a compound having the basic structure shown by Formula (I) in which the indole ring and the pyrazolopyridine structure is bound through a substituent, a salt thereof or a solvate of either the compound or a salt of the compound, as well as a preventative agent or a therapeutic agent for non-insulin-dependent diabetes mellitus (Type 2 diabetes) or obesity containing such compound, salt or solvate as an active ingredient.Type: GrantFiled: September 26, 2017Date of Patent: December 8, 2020Assignee: Chugai Seiyaku Kabushiki KaishaInventors: Hitoshi Yoshino, Satoshi Tsuchiya, Atsushi Matsuo, Tsutomu Sato, Masahiro Nishimoto, Kyoko Oguri, Hiroko Ogawa, Yoshikazu Nishimura, Yoshiyuki Furuta, Hirotaka Kashiwagi, Nobuyuki Hori, Takuma Kamon, Takuya Shiraishi, Shoshin Yoshida, Takahiro Kawai, Satoshi Tanida, Masahide Aoki
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Publication number: 20190225604Abstract: The present invention provides a compound having the basic structure shown by Formula (I) in which the indole ring and the pyrazolopyridine structure is bound through a substituent, a salt thereof or a solvate of either the compound or a salt of the compound, as well as a preventative agent or a therapeutic agent for non-insulin-dependent diabetes mellitus (Type 2 diabetes) or obesity containing such compound, salt or solvate as an active ingredient.Type: ApplicationFiled: September 26, 2017Publication date: July 25, 2019Applicant: Chugai Seiyaku Kabushiki KaishaInventors: Hitoshi YOSHINO, Satoshi TSUCHIYA, Atsushi MATSUO, Tsutomu SATO, Masahiro NISHIMOTO, Kyoko OGURI, Hiroko OGAWA, Yoshikazu NISHIMURA, Yoshiyuki FURUTA, Hirotaka KASHIWAGI, Nobuyuki HORI, Takuma KAMON, Takuya SHIRAISHI, Shoshin YOSHIDA, Takahiro KAWAI, Satoshi TANIDA, Masahide AOKI
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Patent number: 10072114Abstract: A modified conjugated diene polymer obtained by modifying a conjugated diene polymer that is obtained by polymerizing a conjugated diene compound or polymerizing a conjugated diene compound and an aromatic vinyl compound is produced by a production method comprising a first modification step wherein an unsaturated binding site at least either in the skeleton or at the side chain of the conjugated diene polymer is reacted with a first compound having a group 4 or 13 element of the periodic table.Type: GrantFiled: September 18, 2013Date of Patent: September 11, 2018Assignee: JSR CORPORATIONInventors: Hiroyuki Morita, Takahiro Kawai, Takeshi Yuasa, Koichiro Tani, Koji Okada, Ryoji Tanaka
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Patent number: 9951167Abstract: A modified conjugated diene-based polymer is produced that is a modified product of a conjugated diene-based polymer obtained by polymerizing a conjugated diene compound, or polymerizing a conjugated diene compound and an aromatic vinyl compound, in the presence of an alkali metal compound or an alkaline-earth metal compound. The modified conjugated diene-based polymer is produced by a production method that includes a main chain modification step that reacts at least either an unsaturated bond or a functional group that is included in a terminal-modified polymer and is not situated at a terminal of the terminal-modified polymer, with a specific compound that includes a functional group that interacts with silica, the terminal-modified polymer being obtained by introducing a functional group that interacts with silica into at least one terminal of the conjugated diene-based polymer.Type: GrantFiled: July 18, 2013Date of Patent: April 24, 2018Assignee: JSR CORPORATIONInventors: Takahiro Kawai, Hiroyuki Morita, Takeshi Yuasa, Koichiro Tani, Koji Okada, Ryoji Tanaka, Masahiro Shibata, Shigeru Abe
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Publication number: 20150252133Abstract: A modified conjugated diene polymer obtained by modifying a conjugated diene polymer that is obtained by polymerizing a conjugated diene compound or polymerizing a conjugated diene compound and an aromatic vinyl compound is produced by a production method comprising a first modification step wherein an unsaturated binding site at least either in the skeleton or at the side chain of the conjugated diene polymer is reacted with a first compound having a group 4 or 13 element of the periodic table.Type: ApplicationFiled: September 18, 2013Publication date: September 10, 2015Applicant: JSR CORPORATIONInventors: Hiroyuki Morita, Takahiro Kawai, Takeshi Yuasa, Koichiro Tani, Koji Okada, Ryoji Tanaka
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Publication number: 20150183914Abstract: A modified conjugated diene-based polymer is produced that is a modified product of a conjugated diene-based polymer obtained by polymerizing a conjugated diene compound, or polymerizing a conjugated diene compound and an aromatic vinyl compound, in the presence of an alkali metal compound or an alkaline-earth metal compound. The modified conjugated diene-based polymer is produced by a production method that includes a main chain modification step that reacts at least either an unsaturated bond or a functional group that is included in a terminal-modified polymer and is not situated at a terminal of the terminal-modified polymer, with a specific compound that includes a functional group that interacts with silica, the terminal-modified polymer being obtained by introducing a functional group that interacts with silica into at least one terminal of the conjugated diene-based polymer.Type: ApplicationFiled: July 18, 2013Publication date: July 2, 2015Applicant: JSR CORPORATIONInventors: Takahiro Kawai, Hiroyuki Morita, Takeshi Yuasa, Koichiro Tani, Koji Okada, Ryoji Tanaka, Masahiro Shibata, Shigeru Abe
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Patent number: 9051355Abstract: Provided are a filler for affinity chromatography which has excellent alkali resistance, and a method for isolating immunoglobulin. The filler for affinity chromatography is a filler in which a protein represented by the following formula (1) is immobilized on a carrier. R—R2??(1) wherein R represents an amino acid sequence consisting of 4 to 300 amino acid residues containing a region consisting of 4 to 20 contiguous histidine residues; and R2 represents an amino acid sequence capable of binding to immunoglobulin, the amino acid sequence consisting of 50 to 500 amino acid residues containing Z domain of Protein A or a fragment thereof, or a variant thereof, provided that the R binds to C-terminus or N-terminus of the R2.Type: GrantFiled: March 23, 2011Date of Patent: June 9, 2015Assignee: JSR CORPORATIONInventors: Kouji Tamori, Tetsuo Fukuta, Masaaki Miyaji, Yong Wang, Takayoshi Abe, Yusuke Okano, Masaki Momiyama, Takahiro Kawai
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Patent number: 8981059Abstract: A platelet aggregation inducing substance containing as an active ingredient a polypeptide having a peptide fragment represented by formula (1) (component A): -(Pro-X-Gly)n-??(1) wherein X represents Pro or Hyp; and n represents an integer of from 20 to 5,000.Type: GrantFiled: February 14, 2014Date of Patent: March 17, 2015Assignee: JNC CorporationInventors: Yasuto Umeda, Shinichi Takasaki, Takafumi Takebayashi, Takahiro Kawai
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Patent number: 8846877Abstract: An affinity chromatography packing material includes porous mother particles that include a copolymer of a monomer mixture including a crosslinkable vinyl monomer and an epoxy group-containing vinyl monomer, a ligand being bound to the porous mother particles, and the porous mother particles including a ring-opening epoxy group produced by ring-opening of the epoxy group included in the porous mother particles.Type: GrantFiled: September 24, 2009Date of Patent: September 30, 2014Assignee: JSR CorporationInventors: Kouji Tamori, Tetsuo Fukuta, Masaaki Miyaji, Yong Wang, Takayoshi Abe, Yuusuke Okano, Masaki Momiyama, Takahiro Kawai
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Publication number: 20140287233Abstract: A platelet aggregation inducing substance containing as an active ingredient a polypeptide having a peptide fragment represented by formula (1) (component A): -(Pro-X-Gly)n-??(1) wherein X represents Pro or Hyp; and n represents an integer of from 20 to 5,000.Type: ApplicationFiled: February 14, 2014Publication date: September 25, 2014Applicant: JNC CorporationInventors: YASUTO UMEDA, SHINICHI TAKASAKI, TAKAFUMI TAKEBAYASHI, TAKAHIRO KAWAI
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Patent number: 8686117Abstract: A platelet aggregation inducing substance containing as an active ingredient a polypeptide having a peptide fragment represented by formula (1) (component A): -(Pro-X-Gly)n-??(1) wherein X represents Pro or Hyp; and n represents an integer of from 20 to 5,000.Type: GrantFiled: December 12, 2007Date of Patent: April 1, 2014Assignee: JNC CorporationInventors: Yasuto Umeda, Shinichi Takasaki, Takafumi Takebayashi, Takahiro Kawai
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Publication number: 20130041135Abstract: Provided are a filler for affinity chromatography which has excellent alkali resistance, and a method for isolating immunoglobulin. The filler for affinity chromatography is a filler in which a protein represented by the following formula (1) is immobilized on a carrier. R—R2 ??(1) wherein R represents an amino acid sequence consisting of 4 to 300 amino acid residues containing a region consisting of 4 to 20 contiguous histidine residues; and R2 represents an amino acid sequence capable of binding to immunoglobulin, the amino acid sequence consisting of 50 to 500 amino acid residues containing Z domain of Protein A or a fragment thereof, or a variant thereof, provided that the R binds to C-terminus or N-terminus of the R2.Type: ApplicationFiled: March 23, 2011Publication date: February 14, 2013Applicant: JSR CORPORATIONInventors: Kouji Tamori, Tetsuo Fukuta, Masaaki Miyaji, Yong Wang, Takayoshi Abe, Yusuke Okano, Masaki Momiyama, Takahiro Kawai