Patents by Inventor Tomoaki Tsuji
Tomoaki Tsuji 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: 20240116448Abstract: An auxiliary storage box is detachable and storable in a storage box provided in a vehicle interior. The auxiliary storage box includes: an auxiliary box body; and an auxiliary box attachment. The auxiliary box body is storable inside the storage box. The auxiliary box attachment is detachably attached to the auxiliary box body and capable of supporting an auxiliary item used in combination with the auxiliary box body outside the auxiliary box body.Type: ApplicationFiled: September 26, 2023Publication date: April 11, 2024Applicant: SUBARU CORPORATIONInventors: Tomoaki KUWANO, Sakura TSUJI, Yusuke YAZAKI, Ryunosuke AKECHI, Tomoya YOKOI
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Publication number: 20240116453Abstract: An auxiliary storage box is stored inside a storage box including a box body and a lid body and is detachable from the storage box. The auxiliary storage box includes: an auxiliary box body; an auxiliary lid body; and a lid receiving portion. The auxiliary box body is detachable and stored inside the box body. The auxiliary lid body is detachably held on a back surface side of the lid body in such a manner that a first surface faces the auxiliary box body. The auxiliary lid body closes an opening of the auxiliary box body when the lid body closes the box body. The lid receiving portion is disposed in the opening in an upper portion of the auxiliary box body. The first surface of the auxiliary lid body elastically contacts the lid receiving portion to seal the opening when the auxiliary lid body closes the opening.Type: ApplicationFiled: September 26, 2023Publication date: April 11, 2024Applicant: SUBARU CORPORATIONInventors: Tomoaki KUWANO, Yusuke YAZAKI, Sakura TSUJI, Ryunosuke AKECHI, Tomoya YOKOI
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Patent number: 11332567Abstract: The present invention provides a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from butadiene and a hydride thereof. Furthermore, the present invention provides a method of producing a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from butadiene.Type: GrantFiled: December 28, 2017Date of Patent: May 17, 2022Assignee: KURARAY CO., LTD.Inventors: Shuichi Sunaga, Tomoaki Tsuji, Takashi Hori, Yasutaka Inubushi
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Patent number: 11198744Abstract: The present invention provides a 1,3,7-octatriene polymer having a narrow molecular weight distribution and a hydride thereof. Specifically, the 1,3,7-octatriene polymer is a polymer containing a structural unit derived from 1,3,7-octatriene, wherein the polymer has not only a molecular weight distribution (Mw/Mn) of 2.05 or less but also a weight average molecular weight (Mw) of 1,000 to 1,000,000.Type: GrantFiled: December 28, 2017Date of Patent: December 14, 2021Assignee: KURARAY CO., LTD.Inventors: Shuichi Sunaga, Tomoaki Tsuji, Takashi Hori, Yasutaka Inubushi
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Copolymer of 1,3,7-octatriene and isoprene, hydride thereof, and method for producing said copolymer
Patent number: 11091578Abstract: The present invention provides a copolymer of 1,3,7-octatriene and isoprene having a narrow molecular weight distribution (Mw/Mn) and a hydride thereof. Furthermore, in a production method of a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from isoprene, high raw material conversions are achieved for a short polymerization time. Specifically, the copolymer is a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from isoprene and is a copolymer having a molecular weight distribution (Mw/Mn) of less than 1.44, or the like.Type: GrantFiled: December 28, 2017Date of Patent: August 17, 2021Assignee: KURARAY CO., LTD.Inventors: Shuichi Sunaga, Tomoaki Tsuji, Takashi Hori, Yasutaka Inubushi -
Patent number: 11021499Abstract: Provided are a water-soluble triarylphosphine for a palladium catalyst, which has high selectivity in a telomerization reaction and is easily recovered with efficiency, an ammonium salt thereof, and a method for efficiently producing the same. Specifically, provided are bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine; a bis(6-methyl-3-sulphonatophenyl)(2-methylphenyl)phosphine diammonium salt obtained by reacting the phosphine with a tertiary amine having a total of 3 to 27 carbon atoms in groups bonded to one nitrogen atom; and a method for producing the same.Type: GrantFiled: November 7, 2018Date of Patent: June 1, 2021Assignees: KURARAY CO., LTD., HOKKO CHEMICAL INDUSTRY CO., LTD.Inventors: Eriko Honda, Tatsuya Yoshikawa, Tomoaki Tsuji, Hitoshi Koizumi, Kyoko Sugita, Nobumichi Kumamoto
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Patent number: 10696701Abstract: Provided are a water-soluble triarylphosphine for a palladium catalyst, which has high selectivity in a telomerization reaction and can be recovered with efficiency, an ammonium salt thereof, and a method for efficiently producing the same. Specifically, provided are bis(6-methyl-3-sulphophenyl)phenylphosphine; a bis(6-methyl-3-sulphonatopheyl)phenylphosphine diammonium salt obtained by reacting the phosphine with a tertiary amine having a total of 3 to 27 carbon atoms in groups bonded to one nitrogen atom; and a method for producing the same.Type: GrantFiled: January 16, 2018Date of Patent: June 30, 2020Assignees: KURARAY CO., LTD., HOKKO CHEMICAL INDUSTRY CO., LTD.Inventors: Eriko Honda, Tatsuya Yoshikawa, Tomoaki Tsuji, Hitoshi Koizumi, Kyoko Sugita, Nobumichi Kumamoto
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Publication number: 20200095359Abstract: The present invention provides a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from styrene and a hydride thereof. Furthermore, the present invention provides a method of producing a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from styrene.Type: ApplicationFiled: December 28, 2017Publication date: March 26, 2020Applicant: KURARAY CO., LTD.Inventors: Shuichi SUNAGA, Tomoaki TSUJI, Takashi HORI, Yasutaka INUBUSHI
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Patent number: 10526435Abstract: [Problem] Provided is a method for producing an industrially advantageous hydrogenated polymer, whereby a high hydrogenation rate can be achieved by a small use amount therein at a level of not requiring a decalcification process of the catalyst. [Solution] A method for producing a hydrogenated polymer including hydrogenating, with a hydrogen molecule, a carbon-carbon double bond based on a conjugated diene structural unit of a polymer in which at least a part of a living polymer obtained by polymerizing a monomer containing one or more conjugated dienes using an organic alkali metal compound as a polymerization initiator is terminated by a hydrogen molecule, in the presence of a silane compound having at least one silyl hydride bond and an organic metal compound represented by the following general formula (I): wherein R1 to R10 are those as defined in the specification.Type: GrantFiled: June 26, 2015Date of Patent: January 7, 2020Assignee: KURARAY CO., LTD.Inventors: Syuichi Sunaga, Yasuhiro Nakai, Tomoaki Tsuji
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Patent number: 10518637Abstract: A crawler belt-type tractor includes a vehicle body, a travel device, an engine, and a fuel tank. The travel device is attached to the vehicle body. The travel device includes a crawler belt. The engine generates driving power for driving the travel device. The fuel tank is disposed in a rear portion of the vehicle body. The fuel tank stores fuel for the engine. The rear end of the fuel tank is positioned rearward of the rear end of the crawler belt.Type: GrantFiled: October 20, 2016Date of Patent: December 31, 2019Assignee: KOMATSU LTD.Inventors: Takuya Uemura, Tomoaki Tsuji, Taira Ozaki
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Publication number: 20190359754Abstract: The present invention provides a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from butadiene and a hydride thereof. Furthermore, the present invention provides a method of producing a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from butadiene.Type: ApplicationFiled: December 28, 2017Publication date: November 28, 2019Applicant: KURARAY CO., LTD.Inventors: Shuichi SUNAGA, Tomoaki TSUJI, Takashi HORI, Yasutaka INUBUSHI
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Patent number: 10472451Abstract: Provided is a method for producing an anionic polymer in an industrially advantageous manner, whereby at the time of anionically polymerizing monomers using a solvent whose boiling point at atmospheric pressure is higher than the polymerization temperature, temperature control can be achieved by quickly removing the heat of the polymerization reaction using a simple device. The method for producing an anionic polymer includes anionically polymerizing a conjugated diene, an aromatic vinyl compound, or a mixture thereof under a condition where the amount of an inert gas present with respect to 1 kg of a solvent whose boiling point at atmospheric pressure is higher than the polymerization temperature is 20 mmol or less.Type: GrantFiled: September 3, 2015Date of Patent: November 12, 2019Assignee: KURARAY CO., LTD.Inventors: Yasuhiro Hatanaka, Tomoaki Tsuji, Syuichi Sunaga
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Publication number: 20190330393Abstract: The present invention provides a 1,3,7-octatriene polymer having a narrow molecular weight distribution and a hydride thereof. Specifically, the 1,3,7-octatriene polymer is a polymer containing a structural unit derived from 1,3,7-octatriene, wherein the polymer has not only a molecular weight distribution (Mw/Mn) of 2.05 or less but also a weight average molecular weight (Mw) of 1,000 to 1,000,000.Type: ApplicationFiled: December 28, 2017Publication date: October 31, 2019Applicant: KURARAY CO., LTD.Inventors: Shuichi SUNAGA, Tomoaki TSUJI, Takashi HORI, Yasutaka INUBUSHI
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COPOLYMER OF 1,3,7-OCTATRIENE AND ISOPRENE, HYDRIDE THEREOF, AND METHOD FOR PRODUCING SAID COPOLYMER
Publication number: 20190315899Abstract: The present invention provides a copolymer of 1,3,7-octatriene and isoprene having a narrow molecular weight distribution (Mw/Mn) and a hydride thereof. Furthermore, in a production method of a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from isoprene, high raw material conversions are achieved for a short polymerization time. Specifically, the copolymer is a copolymer containing a structural unit derived from 1,3,7-octatriene and a structural unit derived from isoprene and is a copolymer having a molecular weight distribution (Mw/Mn) of less than 1.44, or the like.Type: ApplicationFiled: December 28, 2017Publication date: October 17, 2019Applicant: KURARAY CO., LTD.Inventors: Shuichi SUNAGA, Tomoaki TSUJI, Takashi HORI, Yasutaka INUBUSHI -
Publication number: 20190071460Abstract: Provided are a water-soluble triarylphosphine for a palladium catalyst, which has high selectivity in a telomerization reaction and is easily recovered with efficiency, an ammonium salt thereof, and a method for efficiently producing the same. Specifically, provided are bis(6-methyl-3-sulphophenyl)(2-methylphenyl)phosphine; a bis(6-methyl-3-sulphonatophenyl)(2-methylphenyl)phosphine diammonium salt obtained by reacting the phosphine with a tertiary amine having a total of 3 to 27 carbon atoms in groups bonded to one nitrogen atom; and a method for producing the same.Type: ApplicationFiled: November 7, 2018Publication date: March 7, 2019Inventors: Eriko HONDA, Tatsuya YOSHIKAWA, Tomoaki TSUJI, Hitoshi KOIZUMI, Kyoko SUGITA, Nobumichi KUMAMOTO
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Patent number: 10113300Abstract: A ripper device includes a first cylinder, a shank, and an arm. The first cylinder includes a tube and a rod, and is disposed to extend and retract in the forward and backward direction in a plan view of the ripper device. The shank is disposed aligned with the first cylinder in the forward and backward direction in the plan view. The arm supports the shank and overlaps the tube of the first cylinder in the plan view.Type: GrantFiled: February 12, 2016Date of Patent: October 30, 2018Assignee: KOMATSU LTD.Inventors: Takuya Uemura, Tomoaki Tsuji
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Patent number: 10017534Abstract: The present invention relates to a method for producing a Tebbe complex having high purity and high activity and having excellent storage stability in a high yield, the method including allowing bis(cyclopentadienyl)titanium dichloride and trimethylaluminum to react with each other in the presence of a solvent such that a solubility of the Tebbe complex in 1 g of the solvent at 25° C. is 0.5 mmol/g or less.Type: GrantFiled: September 18, 2015Date of Patent: July 10, 2018Assignee: KURARAY CO., LTD.Inventors: Shinji Hatae, Syuichi Sunaga, Tomoaki Tsuji
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Process for producing aromatic vinyl/conjugated diene copolymer and product of hydrogenation thereof
Patent number: 10000585Abstract: As a method for producing a copolymer with a high oil absorption rate by separating a solvent from a copolymer solution containing a copolymer in a simple manner with a less energy consumption, the present invention relates to a production method for obtaining a copolymer by separating a solvent from a copolymer solution, the method including the following Steps A to C. Step A: a step of regulating a solid component concentration (Ts) of the copolymer solution to a range of (5?Ts?60) in terms of a mass %, Step B: a step of heating the copolymer (P) solution obtained in the Step A such that a temperature T (° C.) is in a specified range, and Step C: a step of discharging the copolymer solution heated in the Step B from a specified nozzle at a linear velocity of 1 to 100 m/sec to separate the solvent in an inert gas stream at 0 to 200° C.Type: GrantFiled: December 25, 2015Date of Patent: June 19, 2018Assignee: KURARAY CO., LTD.Inventors: Tomoaki Tsuji, Masataka Shintani, Yasuhiro Hatanaka -
Publication number: 20180141967Abstract: Provided are a water-soluble triarylphosphine for a palladium catalyst, which has high selectivity in a telomerization reaction and can be recovered with efficiency, an ammonium salt thereof, and a method for efficiently producing the same. Specifically, provided are bis(6-methyl-3-sulphophenyl)phenylphosphine; a bis(6-methyl-3-sulphonatopheyl)phenylphosphine diammonium salt obtained by reacting the phosphine with a tertiary amine having a total of 3 to 27 carbon atoms in groups bonded to one nitrogen atom; and a method for producing the same.Type: ApplicationFiled: January 16, 2018Publication date: May 24, 2018Applicants: KURARAY CO., LTD., HOKKO CHEMICAL INDUSTRY CO., LTD.Inventors: Eriko HONDA, Tatsuya YOSHIKAWA, Tomoaki TSUJI, Hitoshi KOIZUMI, Kyoko SUGITA, Nobumichi KUMAMOTO
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Publication number: 20180050588Abstract: A crawler belt-type tractor includes a vehicle body, a travel device, an engine, and a fuel tank. The travel device is attached to the vehicle body. The travel device includes a crawler belt. The engine generates driving power for driving the travel device. The fuel tank is disposed in a rear portion of the vehicle body. The fuel tank stores fuel for the engine. The rear end of the fuel tank is positioned rearward of the rear end of the crawler belt.Type: ApplicationFiled: October 20, 2016Publication date: February 22, 2018Inventors: Takuya UEMURA, Tomoaki TSUJI, Taira OZAKI