Patents by Inventor Masato Kusakabe
Masato Kusakabe 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: 10230112Abstract: A conductive film includes a layer 1 formed by a conductive material 1 that includes a polymer material 1 containing any of (1) an amine and an epoxy resin (where the epoxy resin and the amine are mixed in a ratio of 1.0 or more in terms of the ratio of the number of active hydrogen atoms in the amine with respect to the number of functional groups in the epoxy resin), (2) a phenoxy resin and an epoxy resin, (3) a saturated hydrocarbon polymer having a hydroxyl group, and (4) a curable resin and an elastomer and conductive particles 1. The conductive film has excellent stability in an equilibrium potential environment in a negative electrode and low electric resistance per unit area in the thickness direction. A multilayer conductive film including the conductive film achieves excellent interlayer adhesion, and using them as a current collector enables the production of a battery satisfying both weight reduction and durability.Type: GrantFiled: May 22, 2012Date of Patent: March 12, 2019Assignee: NISSAN MOTOR CO., LTD.Inventors: Yusuke Kato, Takashi Ito, Masami Yanagida, Satoshi Oku, Hiroyuki Ogino, Masato Kusakabe, Ryutaro Mukai, Masahiro Kojima, Takashi Kikuchi, Akiko Waki, Shiho Inoue, Shigeo Ibuka, Yasuyuki Tanaka, Yoshio Shimoida, Yuji Muroya, Norihisa Waki
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Patent number: 9601780Abstract: A multilayer conductive film includes a layer 1 including a conductive material containing a polymer material 1 having an alicyclic structure and conductive particles 1 and a layer 2 including a material having durability against positive electrode potential. The multilayer conductive film has stability in an equilibrium potential environment in a negative electrode and stability in an equilibrium potential environment in a positive electrode, has low electric resistance per unit area in the thickness direction, and has excellent barrier properties for a solvent of an electrolytic solution. A battery including a current collector employing the multilayer conductive film can achieve both weight reduction and durability.Type: GrantFiled: May 22, 2012Date of Patent: March 21, 2017Assignees: KANEKA CORPORATION, NISSAN MOTOR CO., LTD.Inventors: Yusuke Kato, Masahiro Kojima, Ryutaro Mukai, Masato Kusakabe, Hiroyuki Ogino, Takashi Kikuchi, Takashi Ito, Satoshi Oku, Akiko Waki, Shiho Inoue, Yuji Muroya, Norihisa Waki, Yasuyuki Tanaka, Shigeo Ibuka, Yoshio Shimoida
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Publication number: 20140186699Abstract: A multilayer conductive film includes a layer 1 including a conductive material containing a polymer material 1 having an alicyclic structure and conductive particles 1 and a layer 2 including a material having durability against positive electrode potential. The multilayer conductive film has stability in an equilibrium potential environment in a negative electrode and stability in an equilibrium potential environment in a positive electrode, has low electric resistance per unit area in the thickness direction, and has excellent barrier properties for a solvent of an electrolytic solution. A battery including a current collector employing the multilayer conductive film can achieve both weight reduction and durability.Type: ApplicationFiled: May 22, 2012Publication date: July 3, 2014Applicant: Nissan Motor Co., Ltd.Inventors: Yusuke Kato, Masahiro Kojima, Ryutaro Mukai, Masato Kusakabe, Hiroyuki Ogino, Takashi Kikuchi, Takashi Ito, Satoshi Oku, Akiko Waki, Shiho Inoue, Yuji Muroya, Norihisa Waki, Yasuyuki Tanaka, Shigeo Ibuka, Yoshio Shimoida
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Publication number: 20140099537Abstract: A conductive film includes a layer 1 formed by a conductive material 1 that includes a polymer material 1 containing any of (1) an amine and an epoxy resin (where the epoxy resin and the amine are mixed in a ratio of 1.0 or more in terms of the ratio of the number of active hydrogen atoms in the amine with respect to the number of functional groups in the epoxy resin), (2) a phenoxy resin and an epoxy resin, (3) a saturated hydrocarbon polymer having a hydroxyl group, and (4) a curable resin and an elastomer and conductive particles 1. The conductive film has excellent stability in an equilibrium potential environment in a negative electrode and low electric resistance per unit area in the thickness direction. A multilayer conductive film including the conductive film achieves excellent interlayer adhesion, and using them as a current collector enables the production of a battery satisfying both weight reduction and durability.Type: ApplicationFiled: May 22, 2012Publication date: April 10, 2014Applicants: Nissan Motor Co., Ltd., Kaneka CorporationInventors: Yusuke Kato, Takashi Ito, Masami Yanagida, Satoshi Oku, Hiroyuki Ogino, Masato Kusakabe, Ryutaro Mukai, Masahiro Kojima, Takashi Kikuchi, Akiko Waki, Shiho Inoue, Shigeo Ibuka, Yasuyuki Tanaka, Yoshio Shimoida, Yuji Muroya, Norihisa Waki
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Publication number: 20120295504Abstract: The invention provides a carbon fiber-reinforced composite material including reinforcing fibers which are continuous carbon fibers in the form of a unidirectional (UD) material, a woven fabric, or a knitted fabric, and a matrix resin including a modified polyolefin resin, thereby achieving better adhesion and mechanical strength. The matrix resin forms a polyphase structure having a sea-island structure which has an average island (independent phase) diameter of not greater than 0.5 ?m. The composite material includes as a matrix resin a modified polyolefin resin obtained by, for example, graft-modifying a polyolefin resin with a monomer that contains an ethylenic double bond and a polar group in the same molecule; and includes as reinforcing fibers continuous carbon fibers.Type: ApplicationFiled: November 25, 2010Publication date: November 22, 2012Applicant: Kaneka CorporationInventors: Masahiko Miyauchi, Takahisa Iwahara, Masato Kusakabe
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Patent number: 8030427Abstract: Provision of a curable composition having good curability and adhesiveness by the use of a non-organotin catalyst. A curable composition containing an organic polymer (A) having a silicon-containing group crosslinkable by forming a siloxane bond, metal carboxylate (B), a silane coupling agent (C) free of an amino group, and an amino group-containing compound (D) in an amount corresponding to a weight ratio relative to (B) of 0-0.05, which contains, as the silicon-containing group of component (A), a silicon-containing group, wherein three hydrolyzable groups or hydroxyl groups are bonded to a silicon atom, as an essential component.Type: GrantFiled: May 26, 2005Date of Patent: October 4, 2011Assignee: Kaneka CorporationInventors: Katsuyu Wakabayashi, Masato Kusakabe
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Patent number: 7910681Abstract: There is provided a curable composition having good adhesion by using a non-organotin catalyst. The curable composition comprises (A) an organic polymer having a silicon-containing group being capable of crosslinking by forming siloxane bonds and (B) one or more kinds selected from a titanium catalyst, an aluminum catalyst and a zirconium catalyst, and is characterized in that a stress at 50% tension is within a range from 0.01 MPa to 0.20 MPa, when determined by adding and mixing 1.5 parts of tin octylate, 0.25 part by weight of laurylamine and 0.6 part by weight of pure water to 100 parts by weight of the component (A), subjecting the mixture to centrifugal defoaming, pouring the mixture carefully into a polyethylene frame not to mix air bubbles thereto, aging the mixture at 23° C. for one hour, and further at 70° C. for 20 hours, punching the obtained 3 mm thick cured sheet according to JIS K6251 to obtain No. 3 dumbbell, and carrying out a tension test (tensile speed: 200 mm/min) at 23° C. at 50% RH.Type: GrantFiled: April 25, 2005Date of Patent: March 22, 2011Assignee: Kaneka CorporationInventors: Masayuki Wakioka, Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe
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Patent number: 7893170Abstract: There is provided a curable composition having good curability and adhesion by using a non-organotin catalyst. The curable composition comprising (A) an organic polymer having a reactive silicon group as a silicon-containing group being capable of crosslinking by forming siloxane bonds, (B) one or more kinds selected from a titanium catalyst, an aluminum catalyst and a zirconium catalyst, and (C) a low molecular weight compound containing a hydrolyzable silicon group and having a molecular weight of 100 to 1,000, characterized in that a ratio (a/b) of the total mole (a) of titanium atoms, aluminum atoms and zirconium atoms of the component (B) to the total mole (b) of silicon atoms of the component (c) is larger than 0.08.Type: GrantFiled: April 25, 2005Date of Patent: February 22, 2011Assignee: Kaneka CorporationInventors: Masayuki Wakioka, Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe
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Patent number: 7763673Abstract: [Problem] There is provided a curable composition having high thixotropy and satisfactory curability by use of a non-organotin catalyst. [Means to Solve] A curable composition comprising (A) a polyoxyalkylene polymer having a silicon-containing group being capable of crosslinking by forming siloxane bonds and/or a (meth)acrylate polymer having a silicon-containing group being capable of crosslinking by forming siloxane bonds, (B) a titanium chelate, and (C) an amide wax type thixotropy-imparting agent.Type: GrantFiled: April 25, 2005Date of Patent: July 27, 2010Assignee: Kaneka CorporationInventors: Toshihiko Okamoto, Masato Kusakabe
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Patent number: 7625990Abstract: A curable composition having good curability and adhesion comprising: (A) an reactive silicon group-containing organic polymer, (B) a titanium chelate represented by the general formula (1) or (2) and (C) a high molecular weight plasticizer having a number average molecular weight of 1,000 to 15,000. General formula (1): wherein each of n R1s is independently a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, each of (4-n) R2s is independently hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, each of (4-n) A1s and (4-n) A2s is independently —R3 or —OR3 where R3 is a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, n is 1, 2 or 3. General formula (2): wherein R2, A1 and A2 are the same as defined above, R4 is a substituted or unsubstituted divalent hydrocarbon group having 1 to 20 carbon atoms.Type: GrantFiled: April 25, 2005Date of Patent: December 1, 2009Assignee: Kaneka CorporationInventors: Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe
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Publication number: 20080287636Abstract: [PROBLEMS] There is provided a curable composition having good curability and adhesiveness. [MEANS FOR SOLVING] A curable composition by comprising (A) an reactive silicon group-containing organic polymer, (B) a titanium chelate represented by the general formula (1) or (2), (C) a high molecular weight plasticizer having a number average molecular weight of 1000 to 15000: General Formula (1): wherein each of n R1's is independently a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, each of (4-n) R2's is independently hydrogen atom or a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, each of (4-n) A1's and (4-n) A2's is independently —R3 or —OR3 where R3 is a substituted or unsubstituted hydrocarbon group having 1 to 20 carbon atoms, n is 1, 2, or 3. General Formula wherein R2, A1 and A2 are the same as defined above, R4 is a substituted or unsubstituted divalent hydrocarbon group havimg 1 to 20 carbon atoms.Type: ApplicationFiled: April 25, 2005Publication date: November 20, 2008Inventors: Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe
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Publication number: 20080269405Abstract: The present invention has its object to provide a one package curable composition which has good adhesion while containing an organotin-free catalyst. The present invention provides a one package curable composition which comprises (A) an organic polymer having a silicon-containing group capable of crosslinking by forming a siloxane bond, (B) a carboxylic acid metal salt (b1) and/or a carboxylic acid (b2), (C) a filler, and (D) an amino group-containing silane coupling agent: and has the total amount of carbonyl group composing an acid group in the component (B) per 100 g of the component (A) of 12 mmol or lower; contains substantially no organotin compound; and has the water content of 2,000 ppm or lower.Type: ApplicationFiled: March 18, 2005Publication date: October 30, 2008Inventors: Toshihiko Okamoto, Katsuyu Wakabayashi, Masato Kusakabe
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Publication number: 20080194773Abstract: [Problems] There is provided a curable composition having good adhesion by using a non-organotin catalyst. [Means to Solve Problems] The curable composition comprises (A) an organic polymer having a silicon-containing group being capable of crosslinking by forming siloxane bonds and (B) one or more kinds selected from a titanium catalyst, an aluminum catalyst and a zirconium catalyst, and is characterized in that a stress at 50% tension is within a range from 0.01 MPa to 0.20 MPa, when determined by adding and mixing 1.5 parts of tin octylate, 0.25 part by weight of laurylamine and 0.6 part by weight of pure water to 100 parts by weight of the component (A), subjecting the mixture to centrifugal defoaming, pouring the mixture carefully into a polyethylene frame not to mix air bubbles thereto, aging the mixture at 23° C. for one hour, and further at 70° C. for 20 hours, punching the obtained 3 mm thick cured sheet according to JIS K6251 to obtain No.Type: ApplicationFiled: April 25, 2005Publication date: August 14, 2008Inventors: Masayuki Wakioka, Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe
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Publication number: 20080076878Abstract: [Problems] There is provided a curable composition having good curability and adhesion by using a non-organotin catalyst. [Means to Solve Problems] The curable composition comprising (A) an organic polymer having a reactive silicon group as a silicon-containing group being capable of crosslinking by forming siloxane bonds, (B) one or more kinds selected from a titanium catalyst, an aluminum catalyst and a zirconium catalyst, and (C) a low molecular weight compound containing a hydrolyzable silicon group and having a molecular weight of 100 to 1,000, characterized in that a ratio (a/b) of the total mole (a) of titanium atoms, aluminum atoms and zirconium atoms of the component (B) to the total mole (b) of silicon atoms of the component (c) is larger than 0.08.Type: ApplicationFiled: April 25, 2005Publication date: March 27, 2008Inventors: Masayuki Wakioka, Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe
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Publication number: 20080051547Abstract: [Problem] Provision of a curable composition having good curability and adhesiveness by the use of a non-organotin catalyst. [Solving means] A curable composition containing an organic polymer (A) having a silicon-containing group crosslinkable by forming a siloxane bond, metal carboxylate (B), a silane coupling agent (C) free of an amino group, and an amino group-containing compound (D) in an amount corresponding to a weight ratio relative to (B) of 0-0.05, which contains, as the silicon-containing group of component (A), a silicon-containing group, wherein three hydrolyzable groups or hydroxyl groups are bonded to a silicon atom, as an essential component.Type: ApplicationFiled: May 26, 2005Publication date: February 28, 2008Applicant: KANEKA CORPORATIONInventors: Katsuyu Wakabayashi, Masato Kusakabe
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Publication number: 20080033087Abstract: [Problem] There is provided a curable composition having high thixotropy and satisfactory curability by use of a non-organotin catalyst. [Means to Solve] A curable composition comprising (A) a polyoxyalkylene polymer having a silicon-containing group being capable of crosslinking by forming siloxane bonds and/or a (meth)acrylate polymer having a silicon-containing group being capable of crosslinking by forming siloxane bonds, (B) a titanium chelate, and (C) an amide wax type thixotropy-imparting agent.Type: ApplicationFiled: April 25, 2005Publication date: February 7, 2008Applicant: KANEKA CORPORATIONInventors: Toshihiko Okamoto, Masato Kusakabe
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Publication number: 20080021140Abstract: The present invention has its object to provide a curable composition having good curability and capable of keeping a curability and mechanical strength even after storage by using a substantially metal-free curing catalyst. The present invention provides a curable composition which comprises (A) an organic polymer having a silicon-containing group capable of crosslinking by forming a siloxane bond, (B) a carboxylic acid of which the carbon atom adjacent to a carbonyl group is a quaternary carbon, and (C) a polymer plasticizer.Type: ApplicationFiled: March 18, 2005Publication date: January 24, 2008Inventors: Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe
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Publication number: 20070287780Abstract: [Problem] There is provided a curable composition having satisfactory curability and adhesion by use of a non-tin curing catalyst, and minimizing lowering of mechanical properties of a cured article obtained after storing. [Means to Solve] A one-component type curable composition comprising (A) a polyoxyalkylene polymer (a1) having a silicon-containing group being capable of crosslinking by forming siloxane bonds and/or a (meth)acrylate polymer (a2) having a silicon-containing group being capable of crosslinking by forming siloxane bonds, (B) a chelate type methyl titanate (b1) and/or a chelate type ethyl titanate (b2), and (C) a compound having, in its molecule, a hydrolyzable silicon group and a nitrogen-substituted group.Type: ApplicationFiled: April 25, 2005Publication date: December 13, 2007Inventors: Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe
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Publication number: 20070208108Abstract: The present invention has its object to provide a one package curable composition which contains an organotin-free catalyst and therefore has good curability and adhesiveness. The present invention provides a one package curable composition which comprises (A) an organic polymer having a silicon-containing group capable of crosslinking by forming a siloxane bond, (B)(b1) a carboxylic acid of which the carbon atom adjacent to a carbonyl group is a quaternary carbon, and/or (b2) a metal carboxylate of which the carbon atom adjacent to a carbonyl group is a quaternary carbon, and (C) a surface-treated ground calcium carbonate.Type: ApplicationFiled: March 18, 2005Publication date: September 6, 2007Inventors: Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe
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Publication number: 20070203297Abstract: The present invention has its object to provide a curable composition which has good curability and adhesiveness while containing an organotin-free catalyst. The present invention provides a one package curable composition which comprises (A) a polyoxyalkylene polymer having a silicon-containing group capable of crosslinking by forming a siloxane bond, (B) a (meth)acrylic ester polymer having a silicon-containing group capable of crosslinking by forming a siloxane bond and compatible with the component (A), and (C) (c1) a carboxylic acid of which the carbon atom adjacent to a carbonyl group is a quaternary carbon, and/or (c2) a metal carboxylate of which the carbon atom adjacent to a carbonyl group is a quaternary carbon.Type: ApplicationFiled: March 18, 2005Publication date: August 30, 2007Inventors: Katsuyu Wakabayashi, Toshihiko Okamoto, Masato Kusakabe