Patents by Inventor Nobuyuki Miyaki
Nobuyuki Miyaki 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: 20230345631Abstract: Provided is a prepreg for producing a multilayer printed wiring board having high reliability and being excellent in adhesiveness with respect to a base material or the like. The prepreg includes: a base material; and a polymer having a structural unit represented by at least one kind of the following formulae (1-1), (1-2), and (1-3).Type: ApplicationFiled: August 19, 2021Publication date: October 26, 2023Applicant: JSR CORPORATIONInventors: Nobuyuki MIYAKI, Naoyuki KAWASHIMA, Yuutoku YAMASHITA, Shouma ANABUKI, Kenta NISHINO, Takeru KAMEYAMA
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Patent number: 11582860Abstract: The circuit board according to the present invention includes a wiring portion and a non-wiring portion, the wiring portion having a metal layer and a resin layer, the non-wiring portion having a resin layer, the resin layer at a frequency 10 GHZ having a relative permittivity of from 2 to 3 at 23° C., and the circuit hoard satisfying a relationship: (A?B)/B?0.1 wherein A is the maximum value of the thickness in the wiring portion (?m) and B is the minimum value of the thickness in the non-wiring portion (?m).Type: GrantFiled: September 10, 2018Date of Patent: February 14, 2023Assignee: JSR CORPORATIONInventors: Isao Nishimura, Nobuyuki Miyaki, Toshiaki Kadota, Shintarou Fujitomi, Tomotaka Shinoda
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Patent number: 11516906Abstract: The circuit board according to the present invention includes a wiring portion and a non-wiring portion, the wiring portion having a metal layer and a resin layer, the non-wiring portion having a resin layer, the resin layer at a frequency 10 GHZ having a relative permittivity of from 2 to 3 at 23° C., and the circuit hoard satisfying a relationship: (A?B)/B?0.1 wherein A is the maximum value of the thickness in the wiring portion (?m) and B is the minimum value of the thickness in the non-wiring portion (?m).Type: GrantFiled: September 10, 2018Date of Patent: November 29, 2022Assignee: JSR CORPORATIONInventors: Isao Nishimura, Nobuyuki Miyaki, Toshiaki Kadota, Shintarou Fujitomi, Tomotaka Shinoda
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Patent number: 11505651Abstract: A novel polymer having high glass transition temperature and an excellent balance between heat resistance, high refractive index and mechanical properties, and a composition and molded article containing the polymer are provided. The polymer according to the invention has a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit having either a secondary amino structure or a tertiary amino structure at two or more terminals.Type: GrantFiled: October 19, 2018Date of Patent: November 22, 2022Assignee: JSR CorporationInventors: Ryouyuu Hifumi, Toshiaki Kadota, Nobuyuki Miyaki, Shintarou Fujitomi, Yasutaka Yoshida, Ryouji Tatara
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Publication number: 20220235179Abstract: A novel polymer having high glass transition temperature and an excellent balance between heat resistance, high refractive index and mechanical properties, and a composition and molded article containing the polymer are provided. The polymer according to the invention has a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit having either a secondary amino structure or a tertiary amino structure at two or more terminals.Type: ApplicationFiled: April 5, 2022Publication date: July 28, 2022Applicant: JSR CORPORATIONInventors: Ryouyuu HIFUMI, Toshiaki KADOTA, Nobuyuki MIYAKI, Shintarou FUJITOMI, Yasutaka YOSHIDA, Ryouji TATARA
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Patent number: 11134568Abstract: Provided is a high-frequency circuit laminate that can reduce the transmission loss of electrical signals in high-frequency circuits and produce circuit boards with excellent smoothness. The high-frequency circuit laminate according to the present invention includes a metal layer and a resin layer which are laminated in contact with each other, the resin layer having an elastic modulus from 0.1 to 3 GPa, and the resin layer having an dielectric loss tangent from 0.001 to 0.01 and a relative permittivity from 2 to 3 at a frequency of 10 GHz at 23° C.Type: GrantFiled: September 10, 2018Date of Patent: September 28, 2021Assignee: JSR CORPORATIONInventors: Isao Nishimura, Nobuyuki Miyaki, Toshiaki Kadota, Shintarou Fujitomi, Tomotaka Shinoda
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Publication number: 20200354512Abstract: A polymer, includes a first structural unit represented by formula (1), a second structural unit represented by formula (2-1), formula (2-2), or both, and a third structural unit represented by formula (3-1), formula (3-2), or both. The polymer preferably has a weight-average molecular weight in terms of polystyrene of 500 or more and 400,000 or less. A composition includes the polymer and an organic solvent. A molded body includes the polymer.Type: ApplicationFiled: July 29, 2020Publication date: November 12, 2020Applicant: JSR CORPORATIONInventors: SHOUMA ANABUKI, Ryouyuu HIFUMI, Toshiaki KADOTA, Ryouji TATARA, Nobuyuki MIYAKI
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Publication number: 20200344870Abstract: To provide a circuit board that has excellent smoothness and capable of reducing a transmission loss of a high-frequency electrical signal. The circuit board according to the present invention includes a wiring portion and a non-wiring portion, the wiring portion having a metal layer and a resin layer, the non-wiring portion having a resin layer, the resin layer at a frequency 10 GHz having a relative permittivity of from 2 to 3 at 23° C., and the circuit board satisfying a relationship: (A?B)/B?0.1 wherein A is the maximum value of the thickness in the wiring portion (?m) and B is the minimum value of the thickness in the non-wiring portion (?m).Type: ApplicationFiled: September 10, 2018Publication date: October 29, 2020Applicant: JSR CORPORATIONInventors: Isao NISHIMURA, Nobuyuki MIYAKI, Toshiaki KADOTA, Shintarou FUJITOMI, Tomotaka SHINODA
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Publication number: 20200281076Abstract: Provided is a high-frequency circuit laminate that can reduce the transmission loss of electrical signals in high-frequency circuits and produce circuit boards with excellent smoothness. The high-frequency circuit laminate according to the present invention includes a metal layer and a resin layer which are laminated in contact with each other, the resin layer having an elastic modulus from 0.1 to 3 GPa, and the resin layer having an dielectric loss tangent from 0.001 to 0.01 and a relative permittivity from 2 to 3 at a frequency of 10 GHz at 23° C.Type: ApplicationFiled: September 10, 2018Publication date: September 3, 2020Applicant: JSR CORPORATIONInventors: Isao NISHIMURA, Nobuyuki MIYAKI, Toshiaki KADOTA, Shintarou FUJITOMI, Tomotaka SHINODA
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Publication number: 20190169362Abstract: A polymer, includes a first structural unit represented by formula (1), a second structural unit represented by formula (2-1), formula (2-2), or both, and a third structural unit represented by formula (3-1), formula (3-2), or both. The polymer preferably has a weight-average molecular weight in terms of polystyrene of 500 or more and 400,000 or less. A composition includes the polymer and an organic solvent. A molded body includes the polymer.Type: ApplicationFiled: January 28, 2019Publication date: June 6, 2019Applicant: JSR CORPORATIONInventors: Shouma ANABUKI, Ryouyuu HIFUMI, Toshiaki KADOTA, Ryouji TATARA, Nobuyuki MIYAKI
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Patent number: 10266650Abstract: A polymer includes a first structural unit represented by formula (1-1), (1-2) or (1-3) and a second structural unit represented by formula (2) or (3). In the formulae (1-1) to (1-3), (2) and (3), R1, R10 and R11 each represent a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, a nitro group or a cyano group; Zs each represent —O— or —S—; R4s each represent a methylene group or an alkylene group having 2 to 4 carbon atoms; and L represents a divalent group represented by formula (2-1). In the formula (2-1), Ra represents a divalent alicyclic hydrocarbon group having 5 to 30 ring atoms or a divalent fluorinated alicyclic hydrocarbon group having 5 to 30 ring atoms.Type: GrantFiled: September 8, 2017Date of Patent: April 23, 2019Assignee: JSR CORPORATIONInventors: Yuuya Nawate, Yuki Kitamura, Ryoji Tatara, Teruhiko Umehara, Nobuyuki Miyaki, Toshiaki Kadota
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Patent number: 10227449Abstract: A polymer includes a first structural unit represented by formula (1-1), (1-2) or (1-3) and a second structural unit represented by formula (2) or (3). In the formulae (1-1) to (1-3), (2) and (3), R1, R10 and R11 each represent a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, a nitro group or a cyano group; Zs each represent —O— or —S—; R4s each represent a methylene group or an alkylene group having 2 to 4 carbon atoms; and L represents a divalent group represented by formula (2-1). In the formula (2-1), Ra represents a divalent alicyclic hydrocarbon group having 5 to 30 ring atoms or a divalent fluorinated alicyclic hydrocarbon group having 5 to 30 ring atoms.Type: GrantFiled: September 8, 2017Date of Patent: March 12, 2019Assignee: JSR CORPORATIONInventors: Yuuya Nawate, Yuki Kitamura, Ryoji Tatara, Teruhiko Umehara, Nobuyuki Miyaki, Toshiaki Kadota
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Publication number: 20190055357Abstract: A novel polymer having high glass transition temperature and an excellent balance between heat resistance, high refractive index and mechanical properties, and a composition and molded article containing the polymer are provided. The polymer according to the invention has a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit having either a secondary amino structure or a tertiary amino structure at two or more terminals.Type: ApplicationFiled: October 19, 2018Publication date: February 21, 2019Applicant: JSR CorporationInventors: Ryouyuu HIFUMI, Toshiaki Kadota, Nobuyuki Miyaki, Shintarou Fujitomi, Yasutaka Yoshida, Ryouji Tatara
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Publication number: 20180179335Abstract: A polymer includes a first structural unit represented by formula (1-1), (1-2) or (1-3) and a second structural unit represented by formula (2) or (3). In the formulae (1-1) to (1-3), (2) and (3), R1, R10 and R11 each represent a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, a nitro group or a cyano group; Zs each represent —O— or —S—; R4s each represent a methylene group or an alkylene group having 2 to 4 carbon atoms; and L represents a divalent group represented by formula (2-1). In the formula (2-1), Ra represents a divalent alicyclic hydrocarbon group having 5 to 30 ring atoms or a divalent fluorinated alicyclic hydrocarbon group having 5 to 30 ring atoms.Type: ApplicationFiled: September 8, 2017Publication date: June 28, 2018Applicant: JSR CORPORATIONInventors: Yuuya Nawate, Yuki Kitamura, Ryoji Tatara, Teruhiko Umehara, Nobuyuki Miyaki, Toshiaki Kadota
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Publication number: 20180009938Abstract: The polymer includes a first structural unit represented by formula (1), a second structural unit represented by formula (2), and a third structural unit represented by formula (3). R1, R2, R10 and R11 each independently represent a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, a nitro group or a cyano group; R3A, R3B R4A and R4B each independently represent a methylene group or an alkylene group having 2 to 4 carbon atoms; ZA to ZD each independently represent —O— or —S—; and L represents a divalent group represented by formula (3-1) or (3-2), wherein Ra represents a divalent alicyclic hydrocarbon group having 5 to 30 ring atoms or a divalent fluorinated alicyclic hydrocarbon group having 5 to 30 ring atoms.Type: ApplicationFiled: September 20, 2017Publication date: January 11, 2018Applicant: JSR CORPORATIONInventors: Shoma ANABUKI, Ryoyu HIFUMI, Ryoji TATARA, Toshiaki KADOTA, Nobuyuki MIYAKI, Kazuki HATASE
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Publication number: 20170369649Abstract: A polymer includes a first structural unit represented by formula (1-1), (1-2) or (1-3) and a second structural unit represented by formula (2) or (3). In the formulae (1-1) to (1-3), (2) and (3), R1, R10 and R11 each represent a halogen atom, a monovalent hydrocarbon group having 1 to 20 carbon atoms, a monovalent halogenated hydrocarbon group having 1 to 20 carbon atoms, a nitro group or a cyano group; Zs each represent —O— or —S—; R4s each represent a methylene group or an alkylene group having 2 to 4 carbon atoms; and L represents a divalent group represented by formula (2-1). In the formula (2-1), Ra represents a divalent alicyclic hydrocarbon group having 5 to 30 ring atoms or a divalent fluorinated alicyclic hydrocarbon group having 5 to 30 ring atoms.Type: ApplicationFiled: September 8, 2017Publication date: December 28, 2017Applicant: JSR CORPORATIONInventors: Yuuya Nawate, Yuki Kitamura, Ryoji Tatara, Teruhiko Umehara, Nobuyuki Miyaki, Toshiaki Kadota
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Patent number: 9543079Abstract: The present invention relates to a production process for an electrode material, an electrode and an electric storage device, and the production process for an electrode material comprises a step of heating a polymer having a silicon-containing unit and a silicon-non-containing unit.Type: GrantFiled: August 13, 2014Date of Patent: January 10, 2017Assignee: JSR CORPORATIONInventors: Ryo Tanaka, Kouji Senoo, Takahiro Shimizu, Yukio Hosaka, Fujio Sakurai, Satoshi Shimobaba, Motoki Okaniwa, Nobuyuki Miyaki, Yuuichi Eriyama
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Publication number: 20150048273Abstract: The present invention relates to a production process for an electrode material, an electrode and an electric storage device, and the production process for an electrode material comprises a step of heating a polymer having a silicon-containing unit and a silicon-non-containing unit.Type: ApplicationFiled: August 13, 2014Publication date: February 19, 2015Applicant: JSR CORPORATIONInventors: Ryo TANAKA, Kouji Senoo, Takahiro Shimizu, Yukio Hosaka, Fujio Sakurai, Satoshi Shimobaba, Motoki Okaniwa, Nobuyuki Miyaki, Yuuichi Eriyama
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Patent number: 7759437Abstract: The norbornene derivative of the present invention is represented by the following formula (Im). According to the present invention, a novel norbornene derivative that is useful as a precursor monomer for preparing a cycloolefin polymer exhibiting excellent transparency, heat resistance and low-water absorption properties and having been freely controlled in the birefringence properties and the wavelength dispersion properties can be provided. According to the present invention, further, a norbornene ring-opened (co)polymer having excellent transparency and heat resistance, exhibiting high solubility in organic solvents and having specific birefringence properties and wavelength dependence, and a process for preparing the ring-opened (co)polymer can be provided.Type: GrantFiled: April 1, 2009Date of Patent: July 20, 2010Assignee: JSR CorporationInventors: Yoshikazu Miyamoto, Nobuyuki Miyaki, Kohei Goto, Yuichi Hashiguchi
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Publication number: 20090247798Abstract: The norbornene derivative of the present invention is represented by the following formula (Im). According to the present invention, a novel norbornene derivative that is useful as a precursor monomer for preparing a cycloolefin polymer exhibiting excellent transparency, heat resistance and low-water absorption properties and having been freely controlled in the birefringence properties and the wavelength dispersion properties can be provided. According to the present invention, further, a norbornene ring-opened (co)polymer having excellent transparency and heat resistance, exhibiting high solubility in organic solvents and having specific birefringence properties and wavelength dependence, and a process for preparing the ring-opened (co)polymer can be provided.Type: ApplicationFiled: April 1, 2009Publication date: October 1, 2009Applicant: JSR CorporationInventors: Yoshikazu Miyamoto, Nobuyuki Miyaki, Kohei Goto, Yuichi Hashiguchi