Patents by Inventor Yutaka Matsuo
Yutaka Matsuo 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: 10249823Abstract: A fullerene derivative may be included in photoelectric devices and image sensor. Optical absorption characteristics of a thin film including the fullerene derivative may be shifted toward a short wavelength compared with those of the thin film including the unsubstituted C60 fullerene, for example, a thin film including the fullerene derivative may be associated with a peak absorption wavelength (?max) that is be shorter than that of a thin film including the unsubstituted C60 fullerene.Type: GrantFiled: November 27, 2017Date of Patent: April 2, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Hiromasa Shibuya, Tadao Yagi, Rie Sakurai, Yeong Suk Choi, Yutaka Matsuo
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Publication number: 20190019955Abstract: A fullerene derivative may be included in photoelectric devices and image sensor. Optical absorption characteristics of a thin film including the fullerene derivative may be shifted toward a short wavelength compared with those of the thin film including the unsubstituted C60 fullerene, for example, a thin film including the fullerene derivative may be associated with a peak absorption wavelength (?max) that is be shorter than that of a thin film including the unsubstituted C60 fullerene.Type: ApplicationFiled: November 27, 2017Publication date: January 17, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Hiromasa SHIBUYA, Tadao YAGI, Rie SAKURAI, Yeong Suk CHOI, Yutaka MATSUO
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Publication number: 20170316887Abstract: The present invention provides a light-transmitting electrode which has high electrical conductivity and high electron blocking performance. The present invention also provides a solar cell which is capable of achieving high energy conversion efficiency at low cost. The present invention provides a method for producing a light-transmitting electrode that has a light-transmitting substrate, a carbon nanotube film which is formed directly or indirectly on the light-transmitting substrate, and a metal oxide film which is formed directly on the carbon nanotube film. This production method includes vapor depositing the metal oxide film, which contains oxygen and a metal element belonging to the group 4, 5 or 6 of the periodic table, on one surface or both surfaces of the carbon nanotube film. The present invention provides a light-transmitting electrode which includes a light-transmitting substrate and a conductive carbon nanotube film that is formed directly or indirectly on the light-transmitting substrate.Type: ApplicationFiled: September 2, 2015Publication date: November 2, 2017Inventors: Shigeo Maruyama, Yutaka Matsuo, Il Jeon, Kehang Cui, Esko I Kauppinen, Albert G Nasibulin
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Patent number: 9039935Abstract: The present invention provides a photoelectric conversion material comprising a fullerene derivative represented by the formula C60(R1)5(R2), wherein each R1 independently represents an organic group having a substituent; and R2 represents a hydrogen atom or a substituted or unsubstituted C1-C30 hydrocarbon group. Further, the present invention also provides a photoelectric conversion device having a self-assembled monomolecular film of the photoelectric conversion material, and a solar cell having the photoelectric conversion device.Type: GrantFiled: May 2, 2007Date of Patent: May 26, 2015Assignee: Japan Science and Technology AgencyInventors: Eiichi Nakamura, Yutaka Matsuo, Katsuhiko Kanaizuka
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Patent number: 8952247Abstract: The present invention provides a photoelectric conversion device having at least a fullerene derivative as an electron acceptor and a compound as an electron donor between a pair of electrodes, wherein the fullerene derivative has 2 to 4 organic groups which each independently have 1 to 50 carbon atoms, and wherein when the fullerene derivative has two organic groups, these organic groups do not bind to each other to form a ring.Type: GrantFiled: July 3, 2008Date of Patent: February 10, 2015Assignee: Mitsubishi Chemical CorporationInventors: Yoshiharu Sato, Eiichi Nakamura, Takaaki Niinomi, Yutaka Matsuo, Masahiko Hashiguchi
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Patent number: 8552289Abstract: The present invention provides a photoelectric conversion device having at least a fullerene derivative as an electron acceptor and a compound as an electron donor between a pair of electrodes, wherein the fullerene derivative has 2 to 4 organic groups which each independently have 1 to 50 carbon atoms, and wherein when the fullerene derivative has two organic groups, these organic groups do not bind to each other to form a ring.Type: GrantFiled: July 3, 2008Date of Patent: October 8, 2013Assignee: Mitsubishi Chemical CorporationInventors: Yoshiharu Sato, Eiichi Nakamura, Takaaki Niinomi, Yutaka Matsuo, Masahiko Hashiguchi
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Patent number: 8304643Abstract: The present invention provides a photoelectric conversion material comprising a fullerene derivative represented by the formula C60(R1)5(MLn), wherein: each R1 independently represents an organic group having a substituent; M represents a metal atom; L is a ligand of M; and n is the number of Ls. Further, the present invention also provides a photoelectric conversion device having a self-assembled monomolecular film of the photoelectric conversion material, and a solar cell having the photoelectric conversion device.Type: GrantFiled: May 2, 2007Date of Patent: November 6, 2012Assignee: Japan Science and Technology AgencyInventors: Eiichi Nakamura, Yutaka Matsuo, Katsuhiko Kanaizuka
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Patent number: 8153835Abstract: The present invention provides a fullerene derivative represented by the following formula (1): wherein in formula (1), R1 is a substituted or unsubstituted organic group or a hydrogen atom, and wherein in formulae (2) and (3): W is a single bond, C1-C11, alkylene, C2-C12 alkenylene, or C2-C12 alkynylene, wherein any —CH2— in the alkylene, alkenylene or alkynylene can be substituted with —O—, —S—, —COO—, or —OCO—; Z is an element belonging to group IVB; and R21 to R23 are each independently a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C2-C15 alkenyl group, or a substituted or unsubstituted C2-C15 alkynyl group.Type: GrantFiled: November 2, 2006Date of Patent: April 10, 2012Assignee: Japan Science and Technology AgencyInventors: Eiichi Nakamura, Yutaka Matsuo, Yu-Wu Zhong, Ayako Muramatsu
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Patent number: 8134019Abstract: The present invention provides a method for producing a fullerene derivative, comprising the organic group addition step B in which an organic group is further added by reacting at least a basic compound and a halogen compound with a fullerene derivative, which is obtained by addition of a hydrogen atom and an organic group in the organic group addition step A, in which an organic group is added by reacting at least a Grignard reagent and a polar substance with a fullerene or fullerene derivative.Type: GrantFiled: November 6, 2007Date of Patent: March 13, 2012Assignee: Japan Science and Technology AgencyInventors: Eiichi Nakamura, Yutaka Matsuo, Akihiko Iwashita
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Publication number: 20110005597Abstract: The present invention provides a photoelectric conversion device having at least a fullerene derivative as an electron acceptor and a compound as an electron donor between a pair of electrodes, wherein the fullerene derivative has 2 to 4 organic groups which each independently have 1 to 50 carbon atoms, and wherein when the fullerene derivative has two organic groups, these organic groups do not bind to each other to form a ring.Type: ApplicationFiled: July 3, 2008Publication date: January 13, 2011Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Yoshiharu Sato, Eiichi Nakamura, Takaaki Niinomi, Yutaka Matsuo, Masahiko Hashiguchi
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Patent number: 7790913Abstract: The present invention provides a method for producing a fullerene derivative comprising reacting: a fullerene; an organometallic reagent (A) comprising B, Al, Zn, Sn, Pb, Te, Ti, Mn, Zr or Sm; and a copper compound (B).Type: GrantFiled: March 15, 2007Date of Patent: September 7, 2010Assignee: Japan Science and Technology AgencyInventors: Eiichi Nakamura, Yutaka Matsuo, Takahiro Nakae
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Publication number: 20100048934Abstract: The present invention provides a method for producing a fullerene derivative, comprising the organic group addition step B in which an organic group is further added by reacting at least a basic compound and a halogen compound with a fullerene derivative, which is obtained by addition of a hydrogen atom and an organic group in the organic group addition step A, in which an organic group is added by reacting at least a Grignard reagent and a polar substance with a fullerene or fullerene derivative.Type: ApplicationFiled: November 6, 2007Publication date: February 25, 2010Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Eiichi Nakamura, Yutaka Matsuo, Akihiko Iwashita
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Publication number: 20090247777Abstract: The present invention provides a fullerene derivative represented by the following formula (1): wherein in formula (1), R1 is a substituted or unsubstituted organic group or a hydrogen atom, and wherein in formulae (2) and (3): W is a single bond, C1-C11, alkylene, C2-C12 alkenylene, or C2-C12 alkynylene, wherein any —CH2— in the alkylene, alkenylene or alkynylene can be substituted with —O—, —S—, —COO—, or —OCO—; Z is an element belonging to group IVB; and R21 to R23 are each independently a substituted or unsubstituted C1-C20 alkyl group, a substituted or unsubstituted C2-C15 alkenyl group, or a substituted or unsubstituted C2-C15 alkynyl group.Type: ApplicationFiled: November 2, 2006Publication date: October 1, 2009Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Eiichi Nakamura, Yutaka Matsuo, Yu-Wu Zhong, Ayako Muramatsu
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Publication number: 20090194158Abstract: The present invention provides a photoelectric conversion material comprising a fullerene derivative represented by the formula C60(R1)5(R2), wherein each R1 independently represents an organic group having a substituent; and R2 represents a hydrogen atom or a substituted or unsubstitutedC1-C30 hydrocarbon group. Further, the present invention also provides a photoelectric conversion device having a self-assembled monomolecular film of the photoelectric conversion material, and a solar cell having the photoelectric conversion device.Type: ApplicationFiled: May 2, 2007Publication date: August 6, 2009Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Eiichi Nakamura, Yutaka Matsuo, Katsuhiko Kanaizuka
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Patent number: 7547429Abstract: The present invention relates to a fullerene derivative having a partial structure represented by the general formula (I): wherein C1 to C8 are carbon atoms constituting a fullerene skeleton in which C6 to C8 are independently bonded to an organic group having 1 to 50 carbon atoms, and C1 is bonded to a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms.Type: GrantFiled: May 27, 2004Date of Patent: June 16, 2009Assignees: Mitsubishi Chemical CorporationInventors: Eiichi Nakamura, Yutaka Matsuo
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Publication number: 20090118527Abstract: The present invention provides a method for producing a fullerene derivative comprising reacting: a serene; an organometallic reagent (A) comprising B, Al, Zn, Sn, Pb, Te, Ti, Mn, Zr or Sm; and a copper compound (B).Type: ApplicationFiled: March 15, 2007Publication date: May 7, 2009Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Eiichi Nakamura, Yutaka Matsuo, Takahiro Nakae
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Publication number: 20090101200Abstract: The present invention provides a photoelectric conversion material comprising a fullerene derivative represented by the formula C60(R1)5(MLn), wherein: each R1 independently represents an organic group having a substituent; M represents a metal atom; L is a ligand of M; and n is the number of Ls. Further, the present invention also provides a photoelectric conversion device having a self-assembled monomolecular film of the photoelectric conversion material, and a solar cell having the photoelectric conversion device.Type: ApplicationFiled: May 2, 2007Publication date: April 23, 2009Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Eiichi Nakamura, Yutaka Matsuo, Katsuhiko Kanaizuka
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Patent number: 7322081Abstract: According to the method of manufacturing a surface acoustic wave device of the invention, since a conductor layer is formed on electrode sections in a state where the entire regions of inter digital transducer and reflectors are covered with an insulating film, the inter digital transducer and the reflectors are protected by the insulating film during formation of the conductor layer. As a result, it is possible to obtain a highly efficient surface acoustic wave device with no sticking of foreign matters to the inter digital transducer and the reflectors.Type: GrantFiled: March 24, 2006Date of Patent: January 29, 2008Assignee: Alps Electric Co., Ltd.Inventors: Takuo Kudo, Takeshi Ikeda, Takashi Sato, Kyosuke Ozaki, Yutaka Matsuo, Toshihiro Meguro
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Patent number: 7202374Abstract: A metal complex contains at least one ligand, each having the form of a molecule of a fullerene derivative or an anion of the fullerene derivative, where the fullerene derivative, with a solubility in n-hexane of not lower that 0.1 mg/ml at 250° C., includes a fullerene skeleton and three or more organic groups attached to the fullerene skeleton, where each of the organic groups is represented by the general formula (III): —CH2—X(R2)(R3)(R4) ??(III) where X represents an element belonging to the group 14 in the periodic table; and R2, R3 and R4 may be the same or different and each represents a hydrogen atom, hydrocarbon group, alkoxy group or amino group.Type: GrantFiled: June 10, 2005Date of Patent: April 10, 2007Assignees: Mitsubishi Chemical CorporationInventors: Eiichi Nakamura, Yutaka Matsuo
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Publication number: 20060220764Abstract: According to the method of manufacturing a surface acoustic wave device of the invention, since a conductor layer is formed on electrode sections in a state where the entire regions of inter digital transducer and reflectors are covered with an insulating film, the inter digital transducer and the reflectors are protected by the insulating film during formation of the conductor layer. As a result, it is possible to obtain a highly efficient surface acoustic wave device with no sticking of foreign matters to the inter digital transducer and the reflectors.Type: ApplicationFiled: March 24, 2006Publication date: October 5, 2006Inventors: Takuo Kudo, Takeshi Ikeda, Takashi Sato, Kyosuke Ozaki, Yutaka Matsuo, Toshihiro Meguro