Patents by Inventor Kazuteru Kohno
Kazuteru Kohno 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: 20230063894Abstract: The present invention provides a warp-knitted fabric and a medical material that can be simultaneously extended in all directions by causing thread made of a second bioabsorbable material to be absorbed in a living body over time and in which the degree of extension can be increased.Type: ApplicationFiled: October 28, 2022Publication date: March 2, 2023Applicants: EDUCATIONAL FOUNDATION OF OSAKA MEDICAL AND PHARMACEUTICAL UNIVERSITY, TEIJIN LIMITEDInventors: Shintaro NEMOTO, Hideaki YAMADA, Jun SAKURAI, Kazuteru KOHNO, Masaya ITO, Atsuko ONISHI
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Patent number: 11510768Abstract: The present invention provides a warp-knitted fabric and a medical material that can be simultaneously extended in all directions by causing thread made of a second bioabsorbable material to be absorbed in a living body over time and in which the degree of extension can be increased.Type: GrantFiled: January 13, 2017Date of Patent: November 29, 2022Assignees: EDUCATIONAL FOUNDATION OF OSAKA MEDICAL AND PHARMACEUTICAL UNIVERSITY, TEIJIN LIMITEDInventors: Shintaro Nemoto, Hideaki Yamada, Jun Sakurai, Kazuteru Kohno, Masaya Ito, Atsuko Onishi
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Publication number: 20190008623Abstract: The present invention provides a warp-knitted fabric and a medical material that can be simultaneously extended in all directions by causing thread made of a second bioabsorbable material to be absorbed in a living body over time and in which the degree of extension can be increased.Type: ApplicationFiled: January 13, 2017Publication date: January 10, 2019Applicants: EDUCATIONAL FOUNDATION OF OSAKA MEDICAL AND PHARMACEUTICAL UNIVERSITY, TEIJIN LIMITEDInventors: Shintaro NEMOTO, Hideaki YAMADA, Jun SAKURAI, Kazuteru KOHNO, Masaya ITO, Atsuko ONISHI
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Patent number: 9974935Abstract: The present invention relates to a microneedle and a microneedle array. More specifically, it relates to a microneedle and a microneedle array capable of injecting a drug into the surface layer or horny layer of the skin easily, safely and efficiently.Type: GrantFiled: April 24, 2013Date of Patent: May 22, 2018Assignee: MEDRX CO., LTD.Inventors: Kiyotsuna Toyohara, Taishi Tanaka, Kazuteru Kohno, Takashi Oda, Koichi Masaoka, Katsunori Kobayashi, Masaki Ishibashi, Hidetoshi Hamamoto
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Patent number: 8216704Abstract: A biaxially oriented laminated polyester film which has excellent dimensional stability to environmental changes such as temperature and humidity variations and excellent flatness and windability. A biaxially oriented laminated polyester film comprising a film layer B on one side of a film layer A and having a surface roughness (RaB) on the film layer B side which is 1.0 nm or more larger than the surface roughness (RaA) on the film layer A side, wherein at least one of the film layers comprises an aromatic polyester (I) composed of a glycol component and a dicarboxylic acid component containing 5 mol % or more and less than 80 mol % of a recurring unit represented by the following formula (A): wherein RA is an alkylene group having 1 to 10 carbon atoms.Type: GrantFiled: June 11, 2008Date of Patent: July 10, 2012Assignee: Teijin LimitedInventors: Eiji Kinoshita, Ieyasu Kobayashi, Mitsuo Tojo, Tomoyuki Kishino, Kazuteru Kohno
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Patent number: 8017715Abstract: An object of the present invention is to provide a polyester film having excellent dimensional stability to temperature and humidity. The present invention is a polyester containing a dicarboxylic acid component and a diol component, wherein (i) the dicarboxylic acid component contains not less than 5 mol % and less than 50 mol % of a recurring unit represented by the following formula (A) and more than 50 mol % and not more than 95 mol % of a recurring unit represented by the following formula (B): wherein RA is an alkylene group having 2 to 10 carbon atoms, wherein RB is a phenylene group or naphthalenediyl group; and (ii) the diol component contains 90 to 100 mol % of a recurring unit represented by the following formula (C): —O—RC—O—??(C) wherein RC is an alkylene group having 2 to 10 carbon atoms, and a film comprising the same.Type: GrantFiled: January 18, 2008Date of Patent: September 13, 2011Assignee: Teijin LimitedInventors: Eiji Kinoshita, Tomoyuki Kishino, Kazuteru Kohno, Tatsuya Ogawa
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Patent number: 7884173Abstract: To provide an aromatic polyester which is formed into a film having excellent heat resistance, color, mechanical properties, dimensional stability and gas barrier properties and a manufacturing process thereof; the aromatic polyester comprises a dicabroxylic acid component and a diol component, wherein (i) the dicarboxylic acid component contains 50 to 100 mol % of a recurring unit represented by the following formula (A): ?wherein R is an alkylene group having 2 to 10 carbon atoms, (ii) the aromatic polyester has an intrinsic viscosity measured at 35° C. by using a mixed solvent of P-chlorophenol and 1,1,2,2-tetrachloroethane (weight ratio of 40/60) of 0.4 to 3.0; (iii) the aromatic polyester has a content of a recurring unit represented by the following formula (D) of less than 10 mol %: —O—CH2CH2—O—CH2CH2—O—??(D) (iv) the aromatic polyester has a terminal carboxyl group concentration of 200 eq/ton or less; and (v) the aromatic polyester has an alkali metal content of 300 ppm or less.Type: GrantFiled: July 19, 2007Date of Patent: February 8, 2011Assignee: Teijin LimitedInventors: Kazuteru Kohno, Eiji Kinoshita, Tomoyuki Kishino
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Publication number: 20100190037Abstract: It is an object of the present invention to provide a biaxially oriented laminated polyester film which has excellent dimensional stability to environmental changes such as temperature and humidity variations and excellent flatness and windability. The present invention is a biaxially oriented laminated polyester film comprising a film layer B on one side of a film layer A and having a surface roughness (RaB) on the film layer B side which is 1.0 nm or more larger than the surface roughness (RaA) on the film layer A side, wherein at least one of the film layers comprises an aromatic polyester (I) composed of a glycol component and a dicarboxylic acid component containing 5 mol % or more and less than 80 mol % of a recurring unit represented by the following formula (A): wherein RA is an alkylene group having 1 to 10 carbon atoms.Type: ApplicationFiled: June 11, 2008Publication date: July 29, 2010Applicant: TEIJIN LIMITEDInventors: Eiji Kinoshita, Ieyasu Kobayashi, Mitsuo Tojo, Tomoyuki Kishino, Kazuteru Kohno
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Patent number: 7759420Abstract: A layered silicate characterized by being ion-exchanged with an organic onium ion at 50-100% of its ion-exchange capacity, and by having a specific surface area of 2.5-100 m2/g, as well as a resin composition comprising a thermoplastic resin and the aforementioned layered silicate, the resin composition being characterized in that the layered silicate content is 0.01-20 parts by weight as inorganic ash with respect to 100 parts by weight of the thermoplastic resin, and the average number of layers of the layered silicate in the thermoplastic resin is 2-8 layers. Also, a film which comprises the resin composition.Type: GrantFiled: September 16, 2004Date of Patent: July 20, 2010Assignee: Teijin LimitedInventors: Kazuteru Kohno, Nobuaki Kido, Shunichi Matsumura
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Publication number: 20100120967Abstract: An object of the present invention is to provide a polyester film having excellent dimensional stability to temperature and humidity. The present invention is a polyester containing a dicarboxylic acid component and a diol component, wherein (i) the dicarboxylic acid component contains not less than 5 mol % and less than 50 mol % of a recurring unit represented by the following formula (A) and more than 50 mol % and not more than 95 mol of a recurring unit represented by the following formula (B): wherein RA is an alkylene group having 2 to 10 carbon atoms, wherein RB is a phenylene group or naphthalenediyl group; and (ii) the diol component contains 90 to 100 mol % of a recurring unit represented by the following formula (C): —O—RC—O—??(C) wherein RC is an alkylene group having 2 to 10 carbon atoms, and a film comprising the same.Type: ApplicationFiled: January 18, 2008Publication date: May 13, 2010Applicant: TEIJIN LIMITEDInventors: Eiji Kinoshita, Tomoyuki Kishino, Kazuteru Kohno, Tatsuya Ogawa
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Publication number: 20100016539Abstract: To provide an aromatic polyester which is formed into a film having excellent heat resistance, color, mechanical properties, dimensional stability and gas barrier properties and a manufacturing process thereof; the aromatic polyester comprises a dicarboxylic acid component and a diol component, wherein (i) the dicarboxylic acid component contains 50 to 100 mol % of a recurring unit represented by the following formula (A): wherein R is an alkylene group having 2 to 10 carbon atoms, (ii) the aromatic polyester has an intrinsic viscosity measured at 35° C. by using a mixed solvent of P-chlorophenol and 1,1,2,2-tetrachloroethane (weight ratio of 40/60) of 0.4 to 3.0; (iii) the aromatic polyester has a content of a recurring unit represented by the following formula (D) of less than 10 mol %: —O—CH2CH2—O—CH2CH2—O—??(D) (iv) the aromatic polyester has a terminal carboxyl group concentration of 200 eq/ton or less; and (v) the aromatic polyester has an alkali metal content of 300 ppm or less.Type: ApplicationFiled: July 19, 2007Publication date: January 21, 2010Applicant: TEIJIN LIMITEDInventors: Kazuteru Kohno, Eiji Kinoshita, Tomoyuki Kishino
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Publication number: 20070191525Abstract: A polyester resin composition which is a resin composition comprising a polyester and a laminar silicate that is 60-100% modified by organic phosphonium ion, wherein the content of the laminar silicate is 0.01-20 wt % as inorganic ash and the terminal OH group content is 0.1-45 eq/ton, as well as a process for its production and molded articles comprising it.Type: ApplicationFiled: March 3, 2005Publication date: August 16, 2007Applicant: TEIJIN LIMITEDInventors: Kazuteru Kohno, Nobuaki Kido, Rei Nishio, Shunichi Matsumura
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Publication number: 20070106004Abstract: A layered silicate characterized by being ion-exchanged with an organic onium ion at 50-100% of its ion-exchange capacity, and by having a specific surface area of 2.5-100 m2/g, as well as a resin composition comprising a thermoplastic resin and the aforementioned layered silicate, the resin composition being characterized in that the layered silicate content is 0.01-20 parts by weight as inorganic ash with respect to 100 parts by weight of the thermoplastic resin, and the average number of layers of the layered silicate in the thermoplastic resin is 2-8 layers. Also, a film which comprises the resin composition.Type: ApplicationFiled: September 16, 2004Publication date: May 10, 2007Applicant: TEIJIN LIMITEDInventors: Kazuteru Kohno, Nobuaki Kido, Shunichi Matsumura
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Patent number: 6696541Abstract: A method for crystallizing a low molecular weight aromatic polycarbonate effectively and a method for preparing a polycarbonate resin having a desired intrinsic viscosity by using the polycarbonate crystallized with the above method of crystallization. A low molecular weight aromatic polycarbonate (preferably, the one produced by melt polycondensation) is crystallized by bringing it into contact with an aromatic monohydroxy compound or a mixture of said compound and water. Or, a low molecular weight aromatic polycarbonate is melt mixed with at least one or more kinds of compounds selected from the group consisting of aromatic monohydroxy compounds, carbonic acid diester compounds and aromatic dihydroxy compounds to crystallize the low molecular weight aromatic polycarbonate. The crystallized product is heated at a temperature lower than its melting point under reduced pressure or in an inert gas flow to convert it into a high polymerized state.Type: GrantFiled: March 21, 2002Date of Patent: February 24, 2004Assignee: Teijin LimitedInventors: Tomonori Sakurai, Nobuaki Kido, Shunichi Matsumura, Toyoaki Ishiwata, Kazuteru Kohno, Hirotaka Suzuki, Hironori Haga, Toru Hikosaka
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Publication number: 20030170564Abstract: An optical recording medium for recording and reproducing information utilizing the change of a physical property of a recording layer caused by the irradiation with light, which comprises a substrate, characterized in that the substrate comprises a hydrogenated styrene polymer having a content of nucleus-hydrogenated styrene units of 80 wt % or more, has a glass transition temperature of 110° C. or higher, has a light transmittance of 88% or more at 400 nm, and exhibits an absolute value of retardation of 30 nm or less at 0° and 30° from the normal direction of the plane thereof. The optical recording medium suitable for use in the high density optical recording capable of responding to a greater number of openings and the use of a light having a shorter wave length in an optical head.Type: ApplicationFiled: October 28, 2002Publication date: September 11, 2003Inventors: Nobuaki Kido, Shunichi Matsumura, Kaoru Iwata, Hideaki Nitta, Kazutomi Suzuki, Takashi Tomie, Kiyonari Hashidzume, Masaki Takeuchi, Kazuteru Kohno