Patents by Inventor Takashi Takei
Takashi Takei 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: 11931726Abstract: The invention provides a gold-supporting catalyst comprising gold nanoparticles and a carrier consisting of porous ceramic obtained by firing a mixture comprising an aluminum compound, a lime component, and a plastic clay containing 1% by mass or less of feldspars and quartz, wherein the gold nanoparticles are supported in an amount of 0.01 to 10 parts by mass on the carrier based on 100 parts by mass of the carrier.Type: GrantFiled: September 6, 2019Date of Patent: March 19, 2024Assignees: TOKYO METROPOLITAN UNIVERSITY, FUJI CHEMICAL INDUSTRIES, LTD.Inventors: Toru Murayama, Masatake Haruta, Takashi Takei, Qianqian Zhu, Yasunori Inoue, Fumio Uchida, Kenji Maeda, Hiroshi Matsuo, Yasuo Shibasaki
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Patent number: 11929230Abstract: A large current electron beam is stably emitted from an electron gun of a charged particle beam device. The electron gun of the charged particle beam device includes: a SE tip 202; a suppressor 303 disposed rearward of a distal end of the SE tip; a cup-shaped extraction electrode 204 including a bottom surface and a cylindrical portion and enclosing the SE tip and the suppressor; and an insulator 208 holding the suppressor and the extraction electrode. A shield electrode 301 of a conductive metal having a cylindrical portion 302 is provided between the suppressor and the cylindrical portion of the extraction electrode. A voltage lower than a voltage of the SE tip is applied to the shield electrode.Type: GrantFiled: April 18, 2019Date of Patent: March 12, 2024Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Keigo Kasuya, Akira Ikegami, Kazuhiro Honda, Masahiro Fukuta, Takashi Doi, Souichi Katagiri, Aki Takei, Soichiro Matsunaga
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Publication number: 20230330637Abstract: [Problem] The purpose of the present invention is to provide a deodorizing catalyst that can decompose a malodorous substance even at a low temperature of 100° C. or less. [Solution] A deodorizing catalyst for decomposing a malodorous substance, comprising: manganese oxide wherein the manganese oxide satisfies the following expression (1) and the following expression (2), and the manganese oxide has a maximum intensity peak at a diffraction angle (2?) of 37±1° in an X-ray diffraction pattern: 0<A?0.90 . . . ??(1) 0<B?250 . . .Type: ApplicationFiled: September 2, 2021Publication date: October 19, 2023Applicants: NBC MESHTEC INC., TOKYO METROPOLITAN PUBLIC UNIVERSITY CORPORATION, THE UNIVERSITY OF TOKYOInventors: Yoko FUKUI, Youhei JIKIHARA, Toru MURAYAMA, Tetsuya SHISHIDO, Takashi TAKEI, Mingyue LIN, Haifeng WANG, Kazuya YAMAGUCHI
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Publication number: 20210252485Abstract: The invention provides a gold-supporting catalyst comprising gold nanoparticles and a carrier consisting of porous ceramic obtained by firing a mixture comprising an aluminum compound, a lime component, and a plastic clay containing 1% by mass or less of feldspars and quartz, wherein the gold nanoparticles are supported in an amount of 0.01 to 10 parts by mass on the carrier based on 100 parts by mass of the carrier.Type: ApplicationFiled: September 6, 2019Publication date: August 19, 2021Applicants: TOKYO METROPOLITAN UNIVERSITY, FUJI CHEMICAL CO., LTD.Inventors: Toru Murayama, Masatake Haruta, Takashi Takei, Qianqian Zhu, Yasunori Inoue, Fumio Uchida, Kenji Maeda, Hiroshi Matsuo, Yasuo Shibasaki
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Patent number: 7973184Abstract: Disclosed is a method for producing propylene oxide wherein propylene is directly oxidized with oxygen, as required, water and a catalytic amount of hydrogen in a gas phase in the presence of a gold cluster catalyst supported on an alkali-treated titanosilicalite or mesoporous titanosilicate support, which is produced by an alkaline treatment of titanosilicalite or mesoporous titanosilicate with aqueous solution of NaOH, KOH or CsOH.Type: GrantFiled: March 9, 2010Date of Patent: July 5, 2011Assignees: Tokyo Metropolitan University, National Institute of Advanced Industrial Science and TechnologyInventors: Masatake Haruta, Jiahui Huang, Takashi Takei, Tomoki Akita
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Publication number: 20100234623Abstract: Disclosed is a method for producing propylene oxide wherein propylene is directly oxidized with oxygen, as required, water and a catalytic amount of hydrogen in a gas phase in the presence of a gold cluster catalyst supported on an alkali-treated titanosilicalite or mesoporous titanosilicate support, which is produced by an alkaline treatment of titanosilicalite or mesoporous titanosilicate with aqueous solution of NaOH, KOH or CsOH.Type: ApplicationFiled: March 9, 2010Publication date: September 16, 2010Inventors: Masatake Haruta, Jiahui Huang, Takashi Takei, Tomoki Akita
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Patent number: 7753253Abstract: A dispensing device (4) for charging underfill agent into a gap between a substrate (K) and a chip (C) includes means for storing underfill agent (66, 67), a chamber (52) provided for containing substrate (K) to be charged with underfill agent and capable of being opened/closed, a dispenser (73) provided in the chamber (52) and discharging underfill agent introduced from the storing means (66, 67) into the gap between the substrate (K) and the chip (C), and a first pressure reducing means (46) for reducing the pressure in the chamber (52) at a predetermined vacuum pressure prior to the discharge of underfill agent by the dispenser (73). The dispensing device (4) can supply underfill agent with no bubbles to the substrate (K). A mounting system using this dispensing device (4) is also provided by the invention.Type: GrantFiled: November 9, 2006Date of Patent: July 13, 2010Assignee: Toray Engineering Co., Ltd.Inventors: Katsumi Terada, Takashi Takei
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Publication number: 20070111400Abstract: A dispensing device (4) for charging underfill agent into a gap between a substrate (K) and a chip (C) includes means for storing underfill agent (66, 67), a chamber (52) provided for containing substrate (K) to be charged with underfill agent and capable of being opened/closed, a dispenser (73) provided in the chamber (52) and discharging underfill agent introduced from the storing means (66, 67) into the gap between the substrate (K) and the chip (C), and a first pressure reducing means (46) for reducing the pressure in the chamber (52) at a predetermined vacuum pressure prior to the discharge of underfill agent by the dispenser (73). The dispensing device (4) can supply underfill agent with no bubbles to the substrate (K). A mounting system using this dispensing device (4) is also provided by the invention.Type: ApplicationFiled: November 9, 2006Publication date: May 17, 2007Inventors: Katsumi Terada, Takashi Takei
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Publication number: 20060073205Abstract: The present invention relates to controlled release granules for medical use comprising a drug loaded porous silica particle, and at least one layer of a controlled release coating material, characterized in that the drug loaded porous silica core is prepared by immersing dry porous silica particles with a solution, suspension or emulsion comprising at least one pharmacologically active drug and the resulting wet drug loaded porous silica core is subsequently dried again. Furthermore, the invention concerns a method for preparing the controlled release composition.Type: ApplicationFiled: October 4, 2004Publication date: April 6, 2006Inventors: Kotoe Ohta, Masayoshi Fuji, Takashi Takei, Masatoshi Chikazawa, Kenzo Toyoshima
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Patent number: 6916545Abstract: A resin composition to be used as a material for a various part of an automotive vehicle. The resin composition comprises a copolymer (A) formed by copolymerization of a first unsaturated monomer (a) and a second mononer (b). The first unsaturated monomer has a functional group which is bondable by hydrogen bond to a hydroxyl group. The second monomer is copolymerizable with the first unsaturated monomer. A metal oxide (B) is dispersed in the copolymer and having hydroxyl groups and hydrophobic groups at surface of the metal oxide.Type: GrantFiled: October 31, 2002Date of Patent: July 12, 2005Assignees: Nissan Motor Co., Ltd., Nihon University School Jurdical Person, Tama-TLO CorporationInventors: Shoichiro Yano, Takashi Sawaguchi, Masatoshi Chikazawa, Takashi Takei, Tomohiro Ito, Masao Nakajima, Takashi Seino, Yasuaki Kai, Shinkichi Torii, Kouichi Handa, Katsuhiko Suzuki, Kenji Uesugi
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Patent number: 6903148Abstract: A resin composition of the present invention comprises a polymer having functional groups and a metal oxide surface modified to form functional groups at a surface of the metal oxide and dispersed uniformly in the polymer. The functional groups of the polymer and the functional groups of the metal oxide are ionically bondable to the metal oxide and the polymer, respectively, so that the polymer and the metal oxide are bonded by ionic bonds to each other.Type: GrantFiled: March 26, 2003Date of Patent: June 7, 2005Assignees: Nissan Motor Co., Ltd., Tama-Tlo CorporationInventors: Katsuhiko Suzuki, Yasuaki Kai, Koichi Handa, Masao Nakajima, Takashi Seino, Shinkichi Torii, Tomohiro Ito, Kenji Uesugi, Masatoshi Chikazawa, Takashi Takei, Shoichiro Yano, Takashi Sawaguchi
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Publication number: 20030191222Abstract: A resin composition of the present invention comprises a polymer having functional groups and a metal oxide surface modified to form functional groups at a surface of the metal oxide and dispersed uniformly in the polymer. The functional groups of the polymer and the functional groups of the metal oxide are ionically bondable to the metal oxide and the polymer, respectively, so that the polymer and the metal oxide are bonded by ionic bonds to each other.Type: ApplicationFiled: March 26, 2003Publication date: October 9, 2003Applicants: NISSAN MOTOR CO., LTD., TAMA-TLO CORPORATIONInventors: Katsuhiko Suzuki, Yasuaki Kai, Koichi Handa, Masao Nakajima, Takashi Seino, Shinkichi Torii, Tomohiro Ito, Kenji Uesugi, Masatoshi Chikazawa, Takashi Takei, Shoichiro Yano, Takashi Sawaguchi
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Publication number: 20030134130Abstract: For producing a modified silica composition, finely particulate silica with silanol groups is used. The finely particulate silica is so modified as to have a modification factor of 0.45 to 8 as expressed by the product (A×B) of the hydrophobic ratio (A) of its silanol groups and the total carbon number (B) of alkyl groups. It makes with a matrix resin a transparent resin composition of high transparency and rigidity which can make a thermoplastic resin laminate having an excellent appearance and suitable for application to a part for the exterior decoration of a vehicle.Type: ApplicationFiled: October 31, 2002Publication date: July 17, 2003Applicants: NISSAN MOTOR CO., LTD., NIHON UNIVERSITY, SCHOOL JURIDICAL PERSON, TAMA-TLO CORPORATIONInventors: Shoichiro Yano, Takashi Sawaguchi, Masatoshi Chikazawa, Takashi Takei, Masao Nakajima, Kouichi Handa, Yasuaki Kai, Takashi Seino, Tomohiro Ito, Shinkichi Torii, Katsuhiko Suzuki, Kenji Uesugi
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Publication number: 20030108704Abstract: A resin composition to be used as a material of a part of an automotive vehicle. The resin composition comprises a matrix resin. Linkages of inorganic fine particles are uniformly dispersed in the matrix resin. Each linkage has hydroxyl groups and hydrophobic groups which are introduced by a hydrophobicity-providing treatment. The linkages take at least one of a chain-like form and a net-like form.Type: ApplicationFiled: October 31, 2002Publication date: June 12, 2003Applicants: NISSAN MOTOR CO., LTD., NIHON UNIVERSITY, SCHOOL JURIDICAL PERSON, TAMA-TLO CORPORATIONInventors: Shoichiro Yano, Takashi Sawaguchi, Masatoshi Chikazawa, Takashi Takei, Takashi Seino, Masao Nakajima, Tomohiro Ito, Yasuaki Kai, Kouichi Handa, Shinkichi Torii, Katsuhiko Suzuki, Kenji Uesugi
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Publication number: 20030108734Abstract: A resin composition to be used as a material for a various part of an automotive vehicle. The resin composition comprises a copolymer (A) formed by copolymerization of a first unsaturated monomer (a) and a second mononer (b). The first unsaturated monomer has a functional group which is bondable by hydrogen bond to a hydroxyl group. The second monomer is copolymerizable with the first unsaturated monomer. A metal oxide (B) is dispersed in the copolymer and having hydroxyl groups and hydrophobic groups at surface of the metal oxide.Type: ApplicationFiled: October 31, 2002Publication date: June 12, 2003Applicants: NISSAN MOTOR CO., LTD., NIHON UNIVERSITY, SCHOOL JURIDICAL PERSON, TAMA-TLO CORPORATIONInventors: Shoichiro Yano, Takashi Sawaguchi, Masatoshi Chikazawa, Takashi Takei, Tomohiro Ito, Masao Nakajima, Takashi Seino, Yasuaki Kai, Shinkichi Torii, Kouichi Handa, Katsuhiko Suzuki, Kenji Uesugi