Patents by Inventor Kazunori Nunome
Kazunori Nunome 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: 20230051676Abstract: An object of the present invention is to provide a novel production method of a poly(ester)carbonate. The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.Type: ApplicationFiled: November 1, 2022Publication date: February 16, 2023Applicant: TEIJIN LIMITEDInventors: Kazunori NUNOME, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Keisuke SATO, Kyosuke YAMADA, Tatsuya OYAMA
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Patent number: 11566102Abstract: The purpose of the present invention is to provide a polyester resin or polyester carbonate resin, which has high refractive index, while achieving an excellent balance between heat resistance and low birefringence. A polyester resin or a polyester carbonate resin, which contains repeating units represented by the following formulae (1) and (2), and wherein the ratio of the repeating unit represented by formula (1) to the repeating unit represented by formula (2) is 15:85 to 85:15.Type: GrantFiled: March 11, 2019Date of Patent: January 31, 2023Assignee: TEIJIN LIMITEDInventors: Kyosuke Yamada, Manabu Matsui, Takatsune Yanagida, Kazuyoshi Ogasawara, Kazunori Nunome, Keisuke Sato, Tatsuya Oyama
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Patent number: 11505698Abstract: The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.Type: GrantFiled: December 27, 2018Date of Patent: November 22, 2022Assignee: TEIJIN LIMITEDInventors: Kazunori Nunome, Manabu Matsui, Takatsune Yanagida, Kazuyoshi Ogasawara, Keisuke Sato, Kyosuke Yamada, Tatsuya Oyama
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Publication number: 20220146713Abstract: The invention provides an optical lens that can provide small-sized imaging modules. The optical lens of the invention comprises a thermoplastic resin having a refractive index (nD) and Abbe number (?) satisfying the following mathematical formula (A): nD??0.02×?+2.040??(A) (where 1.660<nD).Type: ApplicationFiled: February 26, 2020Publication date: May 12, 2022Applicant: TEIJIN LIMITEDInventors: Kyosuke YAMADA, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Kazunori NUNOME, Keisuke SATO, Tatsuya OYAMA, Yasuhiko TOMONARI
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Patent number: 11261294Abstract: The purpose of the present invention is to provide a thermoplastic resin that has a high refractive index and enables low birefringence and balanced heat resistance and moldability. This thermosetting resin includes repeating units represented by formula (1). (In the formula, the rings Z are the same or different and represent an aromatic hydrocarbon ring, R1 and R2 independently represent a C1-C12 hydrocarbon group optionally including a hydrogen atom, a halogen atom, and an aromatic group, Ar1 and Ar2 represent a C6-C10 aromatic group optionally having a substituent, L1 and L2 independently represent a divalent linking group, j and k independently represent an integer of 0 or more, m and n independently represent 0 or 1, and W is at least one selected from the groups represented by formulae (2) and (3).) (In the formula, X represents a divalent linking group.Type: GrantFiled: July 13, 2018Date of Patent: March 1, 2022Assignee: TEIJIN LIMITEDInventors: Kyosuke Yamada, Manabu Matsui, Takatsune Yanagida, Kazuyoshi Ogasawara, Kazunori Nunome, Keisuke Sato, Yasuhiko Tomonari
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Publication number: 20210371650Abstract: The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.Type: ApplicationFiled: December 27, 2018Publication date: December 2, 2021Applicant: TEIJIN LIMITEDInventors: Kazunori NUNOME, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Keisuke SATO, Kyosuke YAMADA, Tatsuya OYAMA
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Publication number: 20210147621Abstract: The purpose of the present invention is to provide a thermoplastic resin that has a high refractive index and enables low birefringence and balanced heat resistance and moldability. This thermosetting resin includes repeating units represented by formula (1). (In the formula, the rings Z are the same or different and represent an aromatic hydrocarbon ring, R1 and R2 independently represent a C1-C12 hydrocarbon group optionally including a hydrogen atom, a halogen atom, and an aromatic group, Ar1 and Ar2 represent a C6-C10 aromatic group optionally having a substituent, L1 and L2 independently represent a divalent linking group, j and k independently represent an integer of 0 or more, m and n independently represent 0 or 1, and W is at least one selected from the groups represented by formulae (2) and (3).) (In the formula, X represents a divalent linking group.Type: ApplicationFiled: July 13, 2018Publication date: May 20, 2021Applicant: TEIJIN LIMITEDInventors: Kyosuke YAMADA, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Kazunori NUNOME, Keisuke SATO, Yasuhiko TOMONARI
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Publication number: 20210002420Abstract: The purpose of the present invention is to provide a polyester resin or polyester carbonate resin, which has high refractive index, while achieving an excellent balance between heat resistance and low birefringence. A polyester resin or a polyester carbonate resin, which contains repeating units represented by the following formulae (1) and (2), and wherein the ratio of the repeating unit represented by formula (1) to the repeating unit represented by formula (2) is 15:85 to 85:15.Type: ApplicationFiled: March 11, 2019Publication date: January 7, 2021Applicant: TEIJIN LIMITEDInventors: Kyosuke YAMADA, Manabu MATSUI, Takatsune YANAGIDA, Kazuyoshi OGASAWARA, Kazunori NUNOME, Keisuke SATO, Tatsuya OYAMA
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Patent number: 9193826Abstract: A thermoplastic resin containing a fluorene derivative.Type: GrantFiled: February 19, 2015Date of Patent: November 24, 2015Assignee: TEIJIN LIMITEDInventors: Teruyuki Shigematsu, Manabu Matsui, Kazushi Tando, Kazunori Nunome
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Publication number: 20150158975Abstract: A thermoplastic resin containing a fluorene derivative.Type: ApplicationFiled: February 19, 2015Publication date: June 11, 2015Inventors: Teruyuki SHIGEMATSU, Manabu MATSUI, Kazushi TANDO, Kazunori NUNOME
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Publication number: 20140114044Abstract: A thermoplastic resin comprising a fluorene derivative. The thermoplastic resin comprises 30 mole % or more of a recurring unit derived from 9,9-bis(4-(2-hydroxyethoxy)phenyl)fluorene and has a content of phenyl vinyl ether represented by the following formula (1) of 100 ppm or less.Type: ApplicationFiled: March 27, 2012Publication date: April 24, 2014Inventors: Teruyuki Shigematsu, Manabu Matsui, Kazushi Tando, Kazunori Nunome
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Patent number: 8378055Abstract: This invention is to provide a polyester carbonate copolymer suitable for an optical lens that has high refractivity and transparency and low birefringence and little optical strain, and optical lenses formed therefrom. This invention is a polyester carbonate copolymer for an optical lens, which comprises 67 to 95 mol % of a unit of the following formula (I) and 33 to 5 mol % of a unit of the following formula (II) and has a specific viscosity of 0.12 to 0.30, wherein Y in the formula (II) is a phenylene group or a naphthalenediyl group.Type: GrantFiled: July 16, 2010Date of Patent: February 19, 2013Assignee: Teijin Chemicals, Ltd.Inventors: Kazunori Nunome, Manabu Matsui, Kazushi Tando, Teruyuki Shigematsu, Tetsuya Motoyoshi, Tomokiyo Doi
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Publication number: 20120123083Abstract: This invention is to provide a polyester carbonate copolymer suitable for an optical lens that has high refractivity and transparency and low birefringence and little optical strain, and optical lenses formed therefrom. This invention is a polyester carbonate copolymer for an optical lens, which comprises 67 to 95 mol % of a unit of the following formula (I) and 33 to 5 mol % of a unit of the following formula (II) and has a specific viscosity of 0.12 to 0.30, wherein Y in the formula (II) is a phenylene group or a naphthalenediyl group.Type: ApplicationFiled: July 16, 2010Publication date: May 17, 2012Applicant: TEIJIN CHEMICALS, LTD.Inventors: Kazunori Nunome, Manabu Matsui, Kazushi Tando, Teruyuki Shigematsu, Tetsuya Motoyoshi, Tomokiyo Doi
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Publication number: 20110298143Abstract: A copolycarbonate having a high refractive index, a small birefringence, high processability and excellent transparency and an optical lens formed from the copolycarbonate. The copolycarbonate has a total content of a unit represented by the following formula (I) and a unit represented by the following formula (II) of not less than 80 mol % based on the total of all the recurring units, the molar ratio of the unit represented by the formula (I) to the unit represented by the formula (II) being in the range of 98:2 to 35:65. (wherein each of R1, R2, R3 and R4 is independently a hydrogen atom, alkyl group having 1 to 20 carbon atoms or the like. X is an alkylene group having 2 to 8 carbon atoms or the like. Each of m and n is independently an integer of 1 to 10.) (wherein each of R5, R6, R7 and R8 is independently a hydrogen atom, alkyl group having 1 to 20 carbon atoms or the like.Type: ApplicationFiled: March 2, 2010Publication date: December 8, 2011Applicant: Teijin Chemicals Ltd.Inventors: Kazunori Nunome, Manabu Matsui, Yoshihiko Imanaka