Patents by Inventor Kimihisa Yamamoto
Kimihisa Yamamoto 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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Boron atomic layer sheet and laminated sheet, method for manufacturing the same, and liquid crystals
Patent number: 11795059Abstract: Provided are an atomic layer sheet that contains boron and oxygen as framework elements, is networked by nonequilibrium couplings having boron-boron bonds, and has a molar ratio of oxygen to boron (oxygen/boron) of less than 1.5, a laminated sheet containing a plurality of such atomic layer sheets and metal ions between ones of the sheets, and a thermotropic liquid crystal and a lyotropic liquid crystal containing these. In addition, there is provided a method for manufacturing an atomic layer sheet and/or a laminated sheet containing boron and oxygen, the method including: adding MBH4, where M represents an alkali metal ion, into a solvent containing an organic solvent in an inert gas atmosphere to prepare a solution; and exposing the solution to an atmosphere containing oxygen.Type: GrantFiled: January 31, 2019Date of Patent: October 24, 2023Assignee: Tokyo Institute of TechnologyInventors: Tetsuya Kambe, Shotaro Imaoka, Aiko Watanabe, Kimihisa Yamamoto -
BORON ATOMIC LAYER SHEET AND LAMINATED SHEET, METHOD FOR MANUFACTURING THE SAME, AND LIQUID CRYSTALS
Publication number: 20210363021Abstract: Provided are an atomic layer sheet that contains boron and oxygen as framework elements, is networked by nonequilibrium couplings having boron-boron bonds, and has a molar ratio of oxygen to boron (oxygen/boron) of less than 1.5, a laminated sheet containing a plurality of such atomic layer sheets and metal ions between ones of the sheets, and a thermotropic liquid crystal and a lyotropic liquid crystal containing these. In addition, there is provided a method for manufacturing an atomic layer sheet and/or a laminated sheet containing boron and oxygen, the method including: adding MBH4, where M represents an alkali metal ion, into a solvent containing an organic solvent in an inert gas atmosphere to prepare a solution; and exposing the solution to an atmosphere containing oxygen.Type: ApplicationFiled: January 31, 2019Publication date: November 25, 2021Applicant: TOKYO INSTITUTE OF TECHNOLOGYInventors: Tetsuya KAMBE, Shotaro IMAOKA, Aiko WATANABE, Kimihisa YAMAMOTO -
Patent number: 10781290Abstract: A multiple-metal salt assembly of a dendrimer in which multiple-metal salt compounds with a number of, for example, four or more types of multiple metals can be assembled for each of parts with different environments so that the total metal atom number becomes less than 60. Also, a method for producing the multiple-metal salt assembly, and a method for producing subnano metal particles including the multiple-metal salt assembly of the dendrimer.Type: GrantFiled: February 23, 2018Date of Patent: September 22, 2020Assignee: TOKYO INSTITUTE OF TECHNOLOGYInventors: Kimihisa Yamamoto, Takamasa Tsukamoto, Tetsuya Kambe, Naoki Haruta, Takane Imaoka
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Publication number: 20190382537Abstract: Provided are a multiple-metal salt assembly of dendrimer in which multiple-metal salt compounds with a number of, for example four or more types, particularly five or more types of multiple metals can be assembled for each of parts with different environments so that, particularly, the total metal atom number becomes less than 60, a method for producing the same, and a method for producing subnano metal particles including the multiple-metal salt assembly of the dendrimer.Type: ApplicationFiled: February 23, 2018Publication date: December 19, 2019Applicant: TOKYO INSTITUTE OF TECHNOLOGYInventors: Kimihisa YAMAMOTO, Takamasa TSUKAMOTO, Tetsuya KAMBE, Naoki HARUTA, Takane IMAOKA
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Patent number: 9212267Abstract: A method of producing a metal complex-supporting mesoporous material that can support a metal complex in the pores thereof without causing aggregation of the metal complex. A metal complex-supporting mesoporous material supporting a metal complex in the pores thereof without causing aggregation of the metal complex. A method of producing a mesoporous material supporting metal-containing nanoparticles using the metal complex supported in the pores of the mesoporous material as a template. A solution of a metal complex prepared by a phenyl azomethine dendrimer compound having a specific structure is brought into contact with a mesoporous material so that the metal complex of the phenyl azomethine dendrimer compound is supported by the mesoporous material.Type: GrantFiled: February 24, 2014Date of Patent: December 15, 2015Assignees: TOKYO OHKA KOGYO CO., LTD., TOKYO INSTITUTE OF TECHNOLOGYInventors: Isao Hirano, Takane Imaoka, Kimihisa Yamamoto
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Patent number: 9192994Abstract: A method for producing a substrate having dispersed particles of a dendrimer compound on the surface thereof, the method including: an application step including dissolving a phenyl azomethine dendrimer compound in a solvent to prepare a solution, and applying the solution on the surface of a substrate; and a volatilization step including volatilizing the solvent from the solution applied on the surface of the substrate, the phenyl azomethine dendrimer compound included in the solution having a concentration of no greater than 5 ?mol/L is employed.Type: GrantFiled: August 6, 2012Date of Patent: November 24, 2015Assignees: TOKYO OHKA KOGYO CO., LTD., TOKYO INSTITUTE OF TECHNOLOGYInventors: Isao Hirano, Kimihisa Yamamoto, Takane Imaoka
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Patent number: 8927157Abstract: Provided is a condensed polycyclic aromatic compound, having lithium ion responsivity and is suitable for lithium ion secondary battery applications, a production process thereof, a positive electrode active material containing that condensed polycyclic aromatic compound, and a positive electrode for a lithium ion secondary battery provided therewith, and further provided is a lithium ion secondary battery, having high capacity and cycling adaptability, that has the positive electrode as a constituent thereof. The condensed polycyclic aromatic compound has at least four imino groups in a molecule thereof.Type: GrantFiled: May 26, 2011Date of Patent: January 6, 2015Assignees: Kabushiki Kaisha Toyota Jidoshokki, Keio UniversityInventors: Osamu Ohmori, Akiko Shima, Hitotoshi Murase, Masataka Nakanishi, Junichi Niwa, Kimihisa Yamamoto
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Publication number: 20140242388Abstract: A method of producing a metal complex-supporting mesoporous material that can support a metal complex in the pores thereof without causing aggregation of the metal complex. A metal complex-supporting mesoporous material supporting a metal complex in the pores thereof without causing aggregation of the metal complex. A method of producing a mesoporous material supporting metal-containing nanoparticles using the metal complex supported in the pores of the mesoporous material as a template. A solution of a metal complex prepared by a phenyl azomethine dendrimer compound having a specific structure is brought into contact with a mesoporous material so that the metal complex of the phenyl azomethine dendrimer compound is supported by the mesoporous material.Type: ApplicationFiled: February 24, 2014Publication date: August 28, 2014Applicants: Tokyo Institute of Technology, Tokyo Ohka Kogyo Co., Ltd.Inventors: Isao Hirano, Takane Imaoka, Kimihisa Yamamoto
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Patent number: 8728431Abstract: A method for preparing carbon nanotubes including attaching a catalyst consisting of a compound in which a transition metal element of Group 8, 9 or 10 is coordinated to a nitrogen-containing dendrimer compound having at least one nitrogen atom, to which a metal element may be coordinated, on a surface of a substrate, and thermally decomposing a carbon compound in the vicinity of the substrate while supplying the carbon compound on the surface of the substrate to which the catalyst is attached. The catalyst for producing the carbon nanotubes is a compound in which a transition metal element of Group 8, 9 or 10 is coordinated to a nitrogen-containing dendrimer compound having at least one nitrogen atom to which a metal element may be coordinated.Type: GrantFiled: May 30, 2012Date of Patent: May 20, 2014Assignees: Tokyo Ohka Kogyo Co., Ltd., Tokyo Institute of TechnologyInventors: Takashi Ono, Isao Hirano, Satoshi Fujimura, Kimihisa Yamamoto, Takane Imaoka
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Publication number: 20130078514Abstract: Provided is a condensed polycyclic aromatic compound, having superior lithium ion responsivity and is suitable for lithium ion secondary battery applications, a production process thereof, a positive electrode active material containing that condensed polycyclic aromatic compound, and a positive electrode for a lithium ion secondary battery provided therewith, and further provided is a lithium ion secondary battery, having high capacity and superior cycling adaptability, that has the positive electrode as a constituent thereof. The condensed polycyclic aromatic compound according to the present invention has at least four imino groups in a molecule thereof.Type: ApplicationFiled: May 26, 2011Publication date: March 28, 2013Applicants: KEIO UNIVERSITY, KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Osamu Ohmori, Akiko Shima, Hitotoshi Murase, Masataka Nakanishi, Junichi Niwa, Kimihisa Yamamoto
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Publication number: 20130040107Abstract: A method for producing a substrate having dispersed particles of a dendrimer compound on the surface thereof, the method including: an application step including dissolving a phenyl azomethine dendrimer compound in a solvent to prepare a solution, and applying the solution on the surface of a substrate; and a volatilization step including volatilizing the solvent from the solution applied on the surface of the substrate, the phenyl azomethine dendrimer compound included in the solution having a concentration of no greater than 5 ?mol/L is employed.Type: ApplicationFiled: August 6, 2012Publication date: February 14, 2013Applicants: TOKYO INSTITUTE OF TECHNOLOGY, TOKYO OHKA KOGYO CO., LTD.Inventors: Isao Hirano, Takane Imaoka, Kimihisa Yamamoto
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Publication number: 20120308470Abstract: A method for preparing carbon nanotubes including attaching a catalyst consisting of a compound in which a transition metal element of Group 8, 9 or 10 is coordinated to a nitrogen-containing dendrimer compound having at least one nitrogen atom, to which a metal element may be coordinated, on a surface of a substrate, and thermally decomposing a carbon compound in the vicinity of the substrate while supplying the carbon compound on the surface of the substrate to which the catalyst is attached. The catalyst for producing the carbon nanotubes is a compound in which a transition metal element of Group 8, 9 or 10 is coordinated to a nitrogen-containing dendrimer compound having at least one nitrogen atom to which a metal element may be coordinated.Type: ApplicationFiled: May 30, 2012Publication date: December 6, 2012Applicants: TOKYO INSTITUTE OF TECHNOLOGY, TOKYO OHKA KOGYO CO., LTD.Inventors: Takashi Ono, Isao Hirano, Satoshi Fujimura, Kimihisa Yamamoto, Takane Imaoka
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Patent number: 7972712Abstract: An organic EL device capable of being produced by a wet film forming method in which all processes can be conducted consistently under an inert atmosphere for efficiently forming a predetermined pattern without using any aqueous or acidic material. The device includes an organic layer between an anode and a cathode, the anode and the cathode facing each other, and the organic layer containing at least a light emitting layer. At least one layer composing the organic layer is a cured film having a predetermined pattern and containing a cured dendrimer material having one or more photoreactive functional groups at the ends thereof. The organic electroluminescent device is produced by: forming a dendrimer material layer, as at least one layer composing the organic layer, from a coating liquid containing a dendrimer material having one or more photoreactive functional groups at the ends thereof and an organic solvent; and pattern-exposing the dendrimer material layer.Type: GrantFiled: August 30, 2005Date of Patent: July 5, 2011Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kiyoshi Itoh, Kimihisa Yamamoto, Jun-Sang Cho, Atsushi Kimoto
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Publication number: 20080024054Abstract: An organic EL device capable of being produced by a wet film forming method in which all processes can be conducted consistently under an inert atmosphere for efficiently forming a predetermined pattern without using any aqueous or acidic material. The device includes an organic layer between an anode and a cathode, the anode and the cathode facing each other, and the organic layer containing at least a light emitting layer. At least one layer composing the organic layer is a cured film having a predetermined pattern and containing a cured dendrimer material having one or more photoreactive functional groups at the ends thereof. The organic electroluminescent device is produced by: forming a dendrimer material layer, as at least one layer composing the organic layer, from a coating liquid containing a dendrimer material having one or more photoreactive functional groups at the ends thereof and an organic solvent; and pattern-exposing the dendrimer material layer.Type: ApplicationFiled: August 30, 2005Publication date: January 31, 2008Inventors: Kiyoshi Itoh, Kimihisa Yamamoto, Jun-Sang Cho, Atsushi Kimoto
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Patent number: 7304315Abstract: A three-dimensional analyzing device includes a first beam source for generating a first beam, a second beam source for generating a second beam, an optical system for spatially overlapping the first and second beams at least partly and irradiating the beams onto a specimen to three-dimensionally confine a photoactive region in a specimen, and a photo acceptance element for accepting a response light emitted from the photoactive region. Preferably, the device further includes an operation unit for calculating a correlation function of a response light in the time domain based on the output of the photo acceptance element to analyze a desired physical value of the specimen.Type: GrantFiled: April 13, 2006Date of Patent: December 4, 2007Assignees: Japan Science & Technology Agency, Olympus Corporation, Nippon Roper Co., Ltd.Inventors: Yoshinori Iketaki, Masaaki Fujii, Takeshi Watanabe, Takashige Omatsu, Kimihisa Yamamoto, Toshio Suzuki
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Publication number: 20060290924Abstract: A three-dimensional analyzing device includes a first beam source for generating a first beam, a second beam source for generating a second beam, an optical system for spatially overlapping the first and second beams at least partly and irradiating the beams onto a specimen to three-dimensionally confine a photoactive region in a specimen, and a photo acceptance element for accepting a response light emitted from the photoactive region. Preferably, the device further includes an operation unit for calculating a correlation function of a response light in the time domain based on the output of the photo acceptance element to analyze a desired physical value of the specimen.Type: ApplicationFiled: April 13, 2006Publication date: December 28, 2006Applicants: JAPAN SCIENCE AND TECHNOLOGY AGENCY, OLYMPUS CORPORATION, NIPPON ROPER CO., LTD.Inventors: Yoshinori Iketaki, Masaaki Fujii, Takeshi Watanabe, Takashige Omatsu, Kimihisa Yamamoto, Toshio Suzuki
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Patent number: 6859313Abstract: A microscope includes a first light source to emit a first light to excite a molecule of a sample to a higher energy level vibration state which belongs to a lowest energy level electron state from the ground state, a second light source to emit a second light source to excite the molecule to a higher energy level quantum state from the higher energy vibration state, an optical system to overlap the first light and the second light partially on the sample, and an optical detector to detect a given fluorescence from the irradiated region of the first light and the second light on the sample.Type: GrantFiled: March 21, 2002Date of Patent: February 22, 2005Assignees: Japan Science & Technology Corporation, Olympus Optical Co., Ltd., Nippon Roper KKInventors: Yoshinori Iketaki, Masaaki Fujii, Takashige Omatsu, Kimihisa Yamamoto, Toshio Suzuki
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Publication number: 20020167724Abstract: A microscope includes a first light source to emit a first light to excite a molecule of a sample to a higher energy level vibration state which belongs to a lowest energy level electron state from the ground state, a second light source to emit a second light source to excite the molecule to a higher energy level quantum state from the higher energy vibration state, an optical system to overlap the first light and the second light partially on the sample, and an optical detector to detect a given fluorescence from the irradiated region of the first light and the second light on the sample.Type: ApplicationFiled: March 21, 2002Publication date: November 14, 2002Applicant: JAPAN SCIENCE AND TECHNOLOGY CORPORATIONInventors: Yoshinori Iketaki, Masaaki Fujii, Takashige Omatsu, Kimihisa Yamamoto, Toshio Suzuki
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Patent number: 5986046Abstract: An oxidant solution for synthesizing a heat-resistant electroconductive polymer, composed of a solution of a non-protonic organic solvent and an oxidant of the organic compound iron salt expressed by the following formula:Fe.sup.3+O [(X)L--(M)m--(Y.sup.-)n]pH.sup.Type: GrantFiled: March 9, 1998Date of Patent: November 16, 1999Assignee: NEC CorporationInventors: Toshihiko Nishiyama, Takashi Fukaumi, Atushi Kobayashi, Masashi Ohi, Yoshihiko Saiki, Kazuaki Fukushima, Tomitaro Hara, Shinji Takeoka, Kimihisa Yamamoto, Eishun Tuchida
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Patent number: 5290911Abstract: A process for preparing a polyarylene thioether, comprising oxidation coupling polymerizing with oxygen and a catalyst in the presence of an acid, at least one compound selected from the group consisting of thiophenols of the formula (II): ##STR1## wherein R.sup.9 to R.sup.12 are identical or different and each is hydrogen, alkyl having 1 to 10 carbon atoms, halogen or alkoxyl having 1 to 10 carbon atoms. Reaction conditions of the process are very mild, and the process is relatively simple and easy. In addition, the process is commercially advantageous in that very inexpensive reactants and catalysts can be used.Type: GrantFiled: August 7, 1992Date of Patent: March 1, 1994Assignees: Research Institute for Production Development, Idemitsu Petrochemmical Co., Ltd.Inventors: Eishun Tsuchida, Hiroyuki Nishide, Kimihisa Yamamoto, Mitsutoshi Jikei