Patents by Inventor Teruo Takakura
Teruo Takakura 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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Patent number: 7138461Abstract: A molding material consisting of a fluorine-containing copolymer, which has a metal elution index ? of at most 10 as the total amount in ng of metals of Na, Mg, Cu, Cr, Ni, K, Ca and Fe per 1 g of the molding material, as obtained by elution analysis of the molding material with nitric acid.Type: GrantFiled: December 27, 2004Date of Patent: November 21, 2006Assignee: Asahi Glass Company, LimitedInventors: Atushi Funaki, Naoko Sumi, Teruo Takakura
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Patent number: 7045208Abstract: A synthetic resin molded material characterized in that a thin film made of an oxide of at least one metal selected from the group consisting of Si, Zr, Ti, Ta, Hf, Mo, W. Nb, Sn, In, Al and Zn, is formed by a dry method on a synthetic resin substrate having hydrophobicity, and a method for its production.Type: GrantFiled: August 17, 2004Date of Patent: May 16, 2006Assignee: Asahi Glass Company Ltd.Inventors: Kazuo Harada, Atsushi Hayashi, Tatsuo Momii, Teruo Takakura, Seitoku Kaya
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Publication number: 20050107535Abstract: A molding material consisting of a fluorine-containing copolymer, which has a metal elution index ? of at most 10 as the total amount in ng of metals of Na, Mg, Cu, Cr, Ni, K, Ca and Fe per 1 g of the molding material, as obtained by elution analysis of the molding material with nitric acid.Type: ApplicationFiled: December 27, 2004Publication date: May 19, 2005Applicant: ASAHI GLASS COMPANY LIMITEDInventors: Atsushi Funaki, Naoko Sumi, Teruo Takakura
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Publication number: 20050019617Abstract: A synthetic resin molded material characterized in that a thin film made of an oxide of at least one metal selected from the group consisting of Si, Zr, Ti, Ta, Hf, Mo, W. Nb, Sn, In, Al and Zn, is formed by a dry method on a synthetic resin substrate having hydrophobicity, and a method for its production.Type: ApplicationFiled: August 17, 2004Publication date: January 27, 2005Applicant: ASAHI GLASS COMPANY LTD.Inventors: Kazuo Harada, Atsushi Hayashi, Tatsuo Momii, Teruo Takakura, Seitoku Kaya
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Patent number: 6803098Abstract: A synthetic resin molded material characterized in that a thin film made of an oxide of at least one metal selected from the group consisting of Si, Zr, Ti, Ta, Hf, Mo, W, Nb, Sn, In, Al and Zn, is formed by a dry method on a synthetic resin substrate having hydrophobicity, and a method for its production.Type: GrantFiled: July 7, 2003Date of Patent: October 12, 2004Assignee: Asahi Glass Company Ltd.Inventors: Kazuo Harada, Atsushi Hayashi, Tatsuo Momii, Teruo Takakura, Seitoku Kaya
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Publication number: 20040096650Abstract: A synthetic resin molded material characterized in that a thin film made of an oxide of at least one metal selected from the group consisting of Si, Zr, Ti, Ta, Hf, Mo, W, Nb, Sn, In, Al and Zn, is formed by a dry method on a synthetic resin substrate having hydrophobicity, and a method for its production.Type: ApplicationFiled: July 7, 2003Publication date: May 20, 2004Inventors: Kazuo Harada, Atsushi Hayashi, Tatsuo Momii, Teruo Takakura, Seitoku Kaya
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Patent number: 6651381Abstract: A synthetic resin molded material characterized in that a thin film made of an oxide of at least one metal selected from the group consisting of Si, Zr, Ti, Ta, Hf, Mo, W, Nb, Sn, In, Al and Zn, is formed by a dry method on a synthetic resin substrate having hydrophobicity, and a method for its production.Type: GrantFiled: April 4, 2002Date of Patent: November 25, 2003Assignee: Asahi Glass Company Ltd.Inventors: Kazuo Harada, Atsushi Hayashi, Tatsuo Momii, Teruo Takakura, Seitoku Kaya
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Patent number: 6610788Abstract: An aqueous dispersion of a fluorocopolymer, which is excellent in stability and film-forming properties as an aqueous dispersion and which gives a coating film excellent in weather resistance and mechanical strength and improved in water resistance and stain resistance. The aqueous dispersion comprises water and dispersed therein a fluorocopolymer which comprises (a) polymer units based on a fluoroolefin, (b) polymer units based on propylene, (c) polymer units based on ethylene and/or (d) polymer units based on butylene and which has a melting point within a range of from 40 to 150° C.Type: GrantFiled: February 20, 2001Date of Patent: August 26, 2003Assignee: Asahi Glass Company, LimitedInventors: Teruo Takakura, Toru Ishida, Naomi Ichikuni
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Patent number: 6589597Abstract: An ETFE powder having a viscosity factor &phgr; of at most 1×104 Pa·sec, an anelasticity factor &egr; of at most 5×10−4 Pa−1, an average particle diameter of from 5 to 1,000 &mgr;m and an apparent density of at least 0.5 g/cc, is deposited on a substrate surface, followed by heat melting and cooling for solidification to form a film.Type: GrantFiled: September 20, 2000Date of Patent: July 8, 2003Assignee: Asahi Glass Company, LimitedInventors: Mitsufumi Ono, Teruo Takakura
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Publication number: 20020160181Abstract: A synthetic resin molded material characterized in that a thin film made of an oxide of at least one metal selected from the group consisting of Si, Zr, Ti, Ta, Hf, Mo, W, Nb, Sn, In, Al and Zn, is formed by a dry method on a synthetic resin substrate having hydrophobicity, and a method for its production.Type: ApplicationFiled: April 4, 2002Publication date: October 31, 2002Applicant: ASAHI GLASS COMPANY LTD.Inventors: Kazuo Harada, Atsushi Hayashi, Tatsuo Momii, Teruo Takakura, Seitoku Kaya
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Patent number: 6461719Abstract: An agricultural covering material made of a fluorine-containing polymer film having a dynamic viscoelastic modulus of from 1 to 70 kg/mm2, a tensile strength of from 1.5 to 5.0 kg/mm2, a specific gravity of from 1.0 to 2.0 and a contact angle with water of at most 106°.Type: GrantFiled: December 22, 2000Date of Patent: October 8, 2002Assignee: Asahi Glass Company LimitedInventors: Naomi Ichikuni, Toru Ishida, Seitoku Kaya, Atsushi Funaki, Teruo Takakura
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Patent number: 6258907Abstract: A method for producing a fluorine-containing polymer having polymer units based on a fluoroolefin as the main constituting units, wherein a hydrofluoroalkyl ether is used as a polymerization medium.Type: GrantFiled: March 23, 1999Date of Patent: July 10, 2001Assignee: Asahi Glass Company, LimitedInventors: Atsushi Funaki, Teruo Takakura
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Patent number: 6203733Abstract: A polytetrafluoroethylene powder having an average particle size of at most 200 &mgr;m is stirred and granulated in a 2 phase liquid medium comprising water and perfluoroalkyl alkyl ether, to obtain a granulated powder of polytetrafluoroethylene.Type: GrantFiled: March 24, 1999Date of Patent: March 20, 2001Assignee: Asahi Glass Company Ltd.Inventors: Atsushi Funaki, Teruo Takakura
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Patent number: 5962612Abstract: A fluorine-containing copolymer comprising (a) polymer units based on a fluoroolefin, (b) polymer units based on a cyclic monomer having, on its ring, an unsaturated group copolymerizable with the fluoroolefin, (c) polymer units based on an ethylenically unsaturated compound having a curable moiety but having neither an ester bond nor an ether bond, and optionally (d) polymer units based on at least one olefin selected from ethylene, propylene and isobutylene, or polymer units based on a vinyl ether having an aliphatic ring, in such proportions that, based on the total amount of polymer units (a), (b), (c) and (d), polymer units (a) are from 35 to 65 mol %, polymer units (b) are from 5 to 45 mol %, polymer units (c) are from 1 to 30 mol % and polymer units (d) are from 0 to 40 mol %, which has a number average molecular weight within a range of from 2,000 to 100,000, as calculated as polystyrene by gel permeation chromatograph, and which has rings based on said cyclic monomer, on the main chain of the copolymType: GrantFiled: November 26, 1997Date of Patent: October 5, 1999Assignee: Asahi Glass Company Ltd.Inventors: Teruo Takakura, Toru Ishida
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Patent number: 5856417Abstract: A fluorine-containing copolymer comprising:(a) from 0.05 to 20 mol % of polymer units based on at least one fluorinated comonomer selected from the group consisting of fluorinated comonomers of the following formulae (1), (2) and (3):X--R.sup.f --CY.dbd.CH.sub.2 (1)X--R.sup.f --O--CF.dbd.CF.sub.2 (2)CF.sub.3 --(CF.sub.2).sub.n --(O--CF(CF.sub.3)--CF.sub.2).sub.m --O--CF.dbd.CF.sub.2 (3)wherein Y is a fluorine atom or a hydrogen atom, R.sup.f is a C.sub.2-12 bivalent fluorinated organic group, X is a fluorine atom, a chlorine atom or a hydrogen atom, n is an integer of from 0 to 3, and m is an integer of from 1 to 4,(b) from 30 to 85 mol % of polymer units based on tetrafluoroethylene,(c) from 1 to 30 mol % of polymer units based on propylene, and(d) from 5 to 68.5 mol % of polymer units based on vinylidene fluoride.Type: GrantFiled: October 27, 1997Date of Patent: January 5, 1999Assignee: Asahi Glass Company Ltd.Inventors: Teruo Takakura, Atsushi Funaki, Naomi Ichikuni
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Patent number: 5663251Abstract: A method for producing a fluorine-containing copolymer, which comprises suspension-polymerizing at least one fluoroolefin, or at least one fluoroolefin and at least one monomer copolymerizable with the fluoroolefin, in a polymerization medium comprising at least one solvent selected from the group consisting of a perfluorocarbon, a hydrofluorocarbon and a hetero atom-containing perfluorocarbon, water and a fluorine-containing surfactant.Type: GrantFiled: June 6, 1996Date of Patent: September 2, 1997Assignee: Asahi Glass Company Ltd.Inventors: Kazuo Kato, Atsushi Funaki, Teruo Takakura
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Patent number: 5494984Abstract: A method for producing a fluorinated polymer containing fluoroolefin units as the main constituting units, wherein CF.sub.3 (CF.sub.2).sub.n CH.sub.2 CH.sub.3 or CF.sub.3 (CF.sub.2).sub.n H, wherein n is an integer of from 1 to 8), the is used as the polymerization medium, and CF.sub.2 ClCF.sub.2 CHClF and/or CF.sub.3 CF.sub.2 CHCl.sub.2 as a chain transfer agent.Using the polymerization medium which is less likely to bring about an environmental destruction, it is possible to obtain a fluorinated polymer excellent in the heat resistance, solvent resistance, chemical resistance, etc. Further, the above chain transfer agent has good compatibility with the polymerization medium which scarcely brings about the environmental destruction, whereby it is possible to efficiently produce a fluorinated polymer excellent in the heat resistance and solvent resistance.Type: GrantFiled: November 9, 1994Date of Patent: February 27, 1996Assignee: Asahi Glass Company Ltd.Inventors: Atsushi Funaki, Teruo Takakura, Kazuo Kato, Kazuo Hamazaki, Haruhisa Miyake
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Patent number: 4994542Abstract: Elastomeric or flexible surgical adhesives, comprising (i) a NCO-terminated hydrophilic urethane prepolymer derived from a fluorine-containing polyisocyanate and a hydrophilic polyether polyol of higher oxyethylene content, or a combinatioin of (i) with (ii) an unsaturated cyano compound containing a cyano group directly bonded to a polymerizable double bond, exhibit low toxicity, may be safely used for bonding of tissues and possess a rapid cure rate and sufficient bonding power.Type: GrantFiled: March 7, 1989Date of Patent: February 19, 1991Assignees: Asahi Glass Co., Ltd., Sanyo Chemical Industries, Ltd.Inventors: Takehisa Matsuda, Teruo Takakura, Tetsuo Itoh
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Patent number: 4412054Abstract: An antithrombogenic material is composed of a fluorine-containing block polymer obtained by the polyaddition or polycondensation of a prepolymer with a chain extender, said prepolymer being a diisocyanate prepolymer represented by the formulaOCN--CH.sub.2 RfCH.sub.2 NHCOO--A--CONH].sub.m CH.sub.2 RfCH.sub.2 NCO (I)wherein Rf is a perfluoroalkylene or perfluoroxyalkylene group having from 1 to 20 carbon atoms and containing from 0 to 10 ether linkages, A is a divalent organic group containing an oxygen atom in its main chain and m is from 1 to 3, or a dicarbamate prepolymer obtained by reacting the diisocyanate prepolymer with a lower alcohol.Type: GrantFiled: August 17, 1982Date of Patent: October 25, 1983Assignee: Asahi Glass Company Ltd.Inventors: Masaaki Yamabe, Masao Kato, Teruo Takakura