Patents by Inventor Atsushi Kameyama
Atsushi Kameyama 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: 20160347763Abstract: A method for producing an epoxy compound by reacting a compound having a carbon-carbon double bond with hydrogen peroxide in the coexistence of the compound having a carbon-carbon double bond, aqueous hydrogen peroxide, a powder of a solid catalyst support and a powder of a solid catalyst, wherein the solid catalyst comprises an isopolyacid, and the isopolyacid is produced from a catalyst raw material comprising (a) tungstic acid or a salt thereof and (b) at least one selected from the group consisting of a salt of an alkaline earth metal and a cationic polymer.Type: ApplicationFiled: November 17, 2014Publication date: December 1, 2016Applicants: JX NIPPON OIL & ENERGY CORPORATION, OSAKA UNIVERSITYInventors: Junko ICHIHARA, Shunro YAMAGUCHI, Atsushi KAMEYAMA, Takashi SUZUKI, Takashi MORIKITA
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Patent number: 9464186Abstract: A resin composition prepared by blending an epoxy compound represented by the following formula (1), an acid anhydride, and a curing accelerator, wherein the epoxy compound is purified in such a way that, in a chromatogram obtained by gas chromatographic analysis, a ratio of a peak area B of peaks derived from a heavier molecular mass portion having longer retention times than the epoxy compound to a peak area A of peak(s) derived from the epoxy compound B/A is 2.0×10?3 or less. [In the formula, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 each independently represent a hydrogen atom, a halogen atom, an alkyl group which may have a substituent, or an alkoxy group which may have a substituent.].Type: GrantFiled: April 5, 2012Date of Patent: October 11, 2016Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Atsushi Kameyama, Takashi Suzuki, Ryuichi Ueno, Isao Ishikura
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Patent number: 9284326Abstract: The present invention provides a method for producing an epoxy compound by expoxidation of an olefin compound with good productivity wherein a compound having a carbon-carbon double bond is reacted with hydrogen peroxide in the coexistence of (a) a compound having a carbon-carbon double bond, (b) a hydrogen peroxide solution, (c) a powdered solid catalyst support and (d) a powdered catalyst and optionally (e) an organic solvent, the total mass of (c) and (d) being 100 percent by mass or less on the basis of the total mass of (a), (b) and (e).Type: GrantFiled: April 26, 2013Date of Patent: March 15, 2016Assignees: JX Nippon Oil & Energy Corporation, OSAKA UNIVERSITYInventors: Junko Ichihara, Shunro Yamaguchi, Atsushi Kameyama, Takashi Suzuki, Takashi Morikita
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Patent number: 9266899Abstract: In order to produce an epoxy compound with a less chlorine content at a higher reaction rate and yield, the present invention provides a method for producing an epoxy compound by reacting a compound having a carbon-carbon double bond with hydrogen peroxide in the coexistence of the compound having a carbon-carbon double bond, the hydrogen peroxide solution, a powdered solid catalyst support and a powdered solid catalyst all together, the solid catalyst comprising isopolyacids produced from (a) tungstic acid or a salt thereof and (b) a quaternary ammonium salt compound and/or a pyridinium salt, selected from halogen-free compounds.Type: GrantFiled: April 26, 2013Date of Patent: February 23, 2016Assignees: JX Nippon Oil & Energy Corporation, OSAKA UNIVERSITYInventors: Junko Ichihara, Shunro Yamaguchi, Atsushi Kameyama, Takashi Suzuki, Takashi Morikita
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Patent number: 9212188Abstract: The present invention provides a method for producing an alicyclic diepoxy compound at a higher yield by carrying out epoxidation of an alicyclic olefin compound at a higher reaction rate. The method is a method for producing an alicyclic diepoxy compound represented by formula (1) below by reacting an alicyclic olefin compound represented by formula (2) below with hydrogen peroxide in the coexistence of the alicyclic olefin compound represented by formula (2) below, a hydrogen peroxide solution, a powdered solid catalyst support and a powdered solid catalyst all together: wherein R1 to R12 are each hydrogen, halogen, an alkyl group optionally having halogen or an alkoxy group optionally having a substituent.Type: GrantFiled: April 26, 2013Date of Patent: December 15, 2015Assignees: JX Nippon Oil & Enery Corporation, OSAKA UNIVERSITYInventors: Junko Ichihara, Shunro Yamaguchi, Atsushi Kameyama, Takashi Suzuki, Takashi Morikita
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Patent number: 9187443Abstract: A method is provided for carrying out epoxidation of an olefin compound with good productivity. The method produces an epoxy compound by reacting a compound having a carbon-carbon double bond with hydrogen peroxide by carrying out repeatedly or continuously the following steps: (1) reacting a compound having a carbon-carbon double bond with hydrogen peroxide in the coexistence of (a) the compound having a carbon-carbon double bond, (b) a hydrogen peroxide solution, (c) a powdered solid catalyst support, and (d) a powdered solid catalyst, and optionally further (e) an organic solvent to produce an epoxy compound; (2) separating the epoxy compound reaction product from the reaction mixture produced in (1); and (3) adding (d) and also adding (a), (b), (c), and optionally further (e) to the mixture of the powdered solid catalyst support and powdered solid catalyst after separating the reaction product in (2).Type: GrantFiled: April 26, 2013Date of Patent: November 17, 2015Assignees: JX Nippon Oil & Energy Corporation, OSAKA UNIVERSITYInventors: Junko Ichihara, Shunro Yamaguchi, Atsushi Kameyama, Takashi Suzuki, Takashi Morikita
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Publication number: 20150141677Abstract: A method is provided for carrying out epoxidation of an olefin compound with good productivity. The method produces an epoxy compound by reacting a compound having a carbon-carbon double bond with hydrogen peroxide by carrying out repeatedly or continuously the following steps: (1) reacting a compound having a carbon-carbon double bond with hydrogen peroxide in the coexistence of (a) the compound having a carbon-carbon double bond, (b) a hydrogen peroxide solution, (c) a powdered solid catalyst support, and (d) a powdered solid catalyst, and optionally further (e) an organic solvent to produce an epoxy compound; (2) separating the epoxy compound reaction product from the reaction mixture produced in (1); and (3) adding (d) and also adding (a), (b), (c), and optionally further (e) to the mixture of the powdered solid catalyst support and powdered solid catalyst after separating the reaction product in (2).Type: ApplicationFiled: April 26, 2013Publication date: May 21, 2015Applicant: OSAKA UNIVERSITYInventors: Junko Ichihara, Shunro Yamaguchi, Atsushi Kameyama, Takashi Suzuki, Takashi Morikita
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Publication number: 20150141675Abstract: The present invention provides a method for producing an alicyclic diepoxy compound at a higher yield by carrying out epoxidation of an alicyclic olefin compound at a higher reaction rate. The method is a method for producing an alicyclic diepoxy compound represented by formula (1) below by reacting an alicyclic olefin compound represented by formula (2) below with hydrogen peroxide in the coexistence of the alicyclic olefin compound represented by formula (2) below, a hydrogen peroxide solution, a powdered solid catalyst support and a powdered solid catalyst all together: wherein R1 to R12 are each hydrogen, halogen, an alkyl group optionally having halogen or an alkoxy group optionally having a substituent.Type: ApplicationFiled: April 26, 2013Publication date: May 21, 2015Inventors: Junko Ichihara, Shunro Yamaguchi, Atsushi Kameyama, Takashi Suzuki, Takashi Morikita
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Publication number: 20150141676Abstract: In order to produce an epoxy compound with a less chlorine content at a higher reaction rate and yield, the present invention provides a method for producing an epoxy compound by reacting a compound having a carbon-carbon double bond with hydrogen peroxide in the coexistence of the compound having a carbon-carbon double bond, the hydrogen peroxide solution, a powdered solid catalyst support and a powdered solid catalyst all together, the solid catalyst comprising isopolyacids produced from (a) tungstic acid or a salt thereof and (b) a quaternary ammonium salt compound and/or a pyridinium salt, selected from halogen-free compounds.Type: ApplicationFiled: April 26, 2013Publication date: May 21, 2015Inventors: Junko Ichihara, Shunro Yamaguchi, Atsushi Kameyama, Takashi Suzuki, Takashi Morikita
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Publication number: 20150094479Abstract: The present invention provides a method for producing an epoxy compound by expoxidation of an olefin compound with good productivity wherein a compound having a carbon-carbon double bond is reacted with hydrogen peroxide in the coexistence of (a) a compound having a carbon-carbon double bond, (b) a hydrogen peroxide solution, (c) a powdered solid catalyst support and (d) a powdered catalyst and optionally (e) an organic solvent, the total mass of (c) and (d) being 100 percent by mass or less on the basis of the total mass of (a), (b) and (e).Type: ApplicationFiled: April 26, 2013Publication date: April 2, 2015Inventors: Junko Ichihara, Shunro Yamaguchi, Atsushi Kameyama, Takashi Suzuki, Takashi Morikita
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Publication number: 20140128510Abstract: A resin composition prepared by blending an epoxy compound represented by the following formula (1), an acid anhydride, and a curing accelerator, wherein the epoxy compound is purified in such a way that, in a chromatogram obtained by gas chromatographic analysis, a ratio of a peak area B of peaks derived from a heavier molecular mass portion having longer retention times than the epoxy compound to a peak area A of peak(s) derived from the epoxy compound B/A is 2.0×10?3 or less. [In the formula, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and R12 each independently represent a hydrogen atom, a halogen atom, an alkyl group which may have a substituent, or an alkoxy group which may have a substituent.Type: ApplicationFiled: April 5, 2012Publication date: May 8, 2014Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Atsushi Kameyama, Takashi Suzuki, Ryuichi Ueno, Isao Ishikura
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Publication number: 20100100684Abstract: A set associative cache memory includes a tag memory configured to store tags which are predetermined high-order bits of an address, a tag comparator configured to compare a tag in a request address (RA) with the tag stored in the tag memory and a data memory configured to incorporate way information obtained through a comparison by the tag comparator in part of a column address.Type: ApplicationFiled: October 16, 2009Publication date: April 22, 2010Applicant: Kabushiki Kaisha ToshibaInventors: Yasuhiko Kurosawa, Atsushi Kameyama, Shigeaki Iwasa, Hiroo Hayashi, Mitsuo Saito
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Patent number: 7444600Abstract: Systems and methods for the noise analysis of circuits are presented. These systems and methods may allow a circuit or circuit design to be analyzed for possible noise failures in a block of logic caused by sources. outside the block. More particularly, these systems and methods may generate an abstract file for one or more blocks of a circuit. These abstract files may include noise tolerances for input pins and bi-directional pins of a block, along with noise tolerances for those output pins of the block which also feed to an input of one or more gates internal to the block. Using these noise abstracts a unit of the circuit may be analyzed, or the circuit itself may be analyzed for possible noise induced failures.Type: GrantFiled: August 17, 2005Date of Patent: October 28, 2008Assignee: Kabushiki Kaisha ToshibaInventors: Atsushi Kameyama, Sunil Konanki, Michael Henry Sitko
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Patent number: 7238763Abstract: An unsaturated monocarboxylic ester compound has at least two structures represented by the following general formula (1): wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, and R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group. A curable composition comprises (A) the unsaturated monocarboxylic ester compound having two or more structures represented by the general formula (1) mentioned above, (B) a polymerization initiator, and optionally (C) a diluent.Type: GrantFiled: September 28, 2005Date of Patent: July 3, 2007Assignee: Kanagawa University and Taiyo Ink Manufacturing Co., Ltd.Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
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Patent number: 7226710Abstract: A photocurable and thermosetting resin composition comprising (A) a photosensitive prepolymer having a carboxyl group in combination with at least two ethylenically unsaturated double bonds in its molecule, (B) a polymerization initiator, (C) a diluent, (D) an oxetane compound having at least two oxetanyl groups in its molecule, and (E) a curing promotor is developable with an alkaline solution and can be formulated as a one package preparation. Such a photocurable and thermosetting resin composition and a photosensitive dry film prepared by the use thereof are useful as various resist materials and electrical insulating materials, particularly as solder resists for printed circuit boards, interlaminar insulating materials for build-up multi-layer printed circuit boards, and the like.Type: GrantFiled: November 4, 2004Date of Patent: June 5, 2007Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama, Seiya Onodera
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Patent number: 7208568Abstract: A photocurable and thermosetting resin composition comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a-polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a?). wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.Type: GrantFiled: December 14, 2004Date of Patent: April 24, 2007Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
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Publication number: 20070044048Abstract: Systems and methods for the noise analysis of circuits are presented. These systems and methods may allow a circuit or circuit design to be analyzed for possible noise failures in a block of logic caused by sources. outside the block. More particularly, these systems and methods may generate an abstract file for one or more blocks of a circuit. These abstract files may include noise tolerances for input pins and bi-directional pins of a block, along with noise tolerances for those output pins of the block which also feed to an input of one or more gates internal to the block. Using these noise abstracts a unit of the circuit may be analyzed, or the circuit itself may be analyzed for possible noise induced failures.Type: ApplicationFiled: August 17, 2005Publication date: February 22, 2007Inventors: Atsushi Kameyama, Sunil Konanki, Michael Sitko
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Patent number: 7132168Abstract: A printed circuit board that includes a solder resist has a photocurable and thermosetting resin composition which comprises (A) an actinic energy ray-curable resin having at least one structure represented by the following general formula (1), (B) a polymerization initiator, (C) a diluent, and (D) a polyfunctional oxetane compound. The actinic energy ray-curable resin mentioned above can be produced by causing the reaction of (a) a polyfunctional oxetane compound with (b) an unsaturated monocarboxylic acid and the subsequent reaction of (c) a polybasic acid anhydride with a primary hydroxyl group of the resultant modified oxetane resin (a?). wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group, and X represents a polybasic acid anhydride residue.Type: GrantFiled: December 14, 2004Date of Patent: November 7, 2006Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
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Patent number: 7057063Abstract: An unsaturated monocarboxylic ester compound has at least two structures represented by the following general formula (1): wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, and R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group. A curable composition comprises (A) the unsaturated carboxylic ester compound having two or more structures represented by the general formula (1) mentioned above, (B) a polymerization initiator, and optionally (C) a diluent.Type: GrantFiled: July 25, 2002Date of Patent: June 6, 2006Assignees: Kanagawa University, Taiyo Ink Manufacturing Co., Ltd.Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama
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Publication number: 20060030636Abstract: An unsaturated monocarboxylic ester compound has at least two structures represented by the following general formula (1): wherein R1 represents a hydrogen atom or an alkyl group of 1 to 6 carbon atoms, and R2, R3 and R4 independently represent a hydrogen atom, an alkyl group of 1 to 6 carbon atoms, an aryl group, an aralkyl group, a cyano group, a fluorine atom, or a furyl group. A curable composition comprises (A) the unsaturated monocarboxylic ester compound having two or more structures represented by the general formula (1) mentioned above, (B) a polymerization initiator, and optionally (C) a diluent.Type: ApplicationFiled: September 28, 2005Publication date: February 9, 2006Inventors: Tadatomi Nishikubo, Atsushi Kameyama, Masaki Sasaki, Masatoshi Kusama