Patents by Inventor Kazunori Anazawa
Kazunori Anazawa 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: 7452828Abstract: To provide a carbon nanotube device capable of efficiently exerting various electrical or physical characteristics of a carbon nanotube, the present invention provides: a carbon nanotube device, in which a carbon nanotube structure layer having a network structure in which plural carbon nanotubes mutually cross-link, is formed in an arbitrary pattern on a surface of a base body; and a method of manufacturing the carbon nanotube device with which the carbon nanotube can be suitably manufactured.Type: GrantFiled: October 27, 2003Date of Patent: November 18, 2008Assignee: Fuji Xerox Co., Ltd.Inventors: Masaki Hirakata, Takashi Isozaki, Kentaro Kishi, Taishi Shigematsu, Chikara Manabe, Kazunori Anazawa, Hiroyuki Watanabe, Masaaki Shimizu
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Publication number: 20080278797Abstract: A display medium includes: a first substrate having transparency and provided with a transparent electrode on one face thereof, a member having a plurality of penetration holes, the member being placed on a surface of the transparent electrode, the penetration holes penetrating the member from the transparent electrode surface side, the ratio of the length of each of the penetration holes to the largest hole diameter being two or more; a second substrate placed so as to face the transparent electrode side of the first substrate; an electrolytic solution containing a metal ion and placed so as to fill a space between the first and second substrates; and a counter electrode placed in a position so as to be insulated from the transparent electrode and in contact with the electrolytic solution.Type: ApplicationFiled: February 27, 2008Publication date: November 13, 2008Applicant: Fuji Xerox Co., Ltd.Inventors: Takashi MATSUBARA, Kazunori Anazawa, Yuka Ito, Minquan Tian, Shinji Hasegawa, Kazuhiko Hirokawa, Makoto Furuki, Kazunaga Horiuchi, Tomoko Miyahara
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Publication number: 20080166650Abstract: A colorant comprising an aggregate of a molecule having a squarylium skeleton and having a maximum absorption wavelength at about 500 nm to about 600 nm in a molecular dispersion state.Type: ApplicationFiled: December 21, 2007Publication date: July 10, 2008Applicant: FUJI XEROX CO., LTD.Inventors: Shinji Hasegawa, Kazunori Anazawa, Yuka Ito, Minquan Tian, Kazuhiko Hirokawa, Makoto Furuki, Kazunaga Horiuchi, Takashi Matsubara, Tomoko Miyahara, Miho Watanabe
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Patent number: 7368009Abstract: A carbon fine particle structure containing plural carbon fine particles having a graphite structure and a crosslinked part containing plural functional groups chemically bonded to each other, at least one ends of each of the functional groups being connected to different carbon fine particles, the plural carbon fine particles and the crosslinked part constituting a network structure, and a process for producing the same are provided. A carbon fine particle transcriptional body and a solution for producing the carbon fine particle structure, an carbon fine particle structure electronic device using the carbon fine particle structure and a process for producing the same, and an integrated circuit using the same are provided.Type: GrantFiled: January 13, 2005Date of Patent: May 6, 2008Assignee: Fuji Xerox Co., Ltd.Inventors: Shinsuke Okada, Masaki Hirakata, Chikara Manabe, Kazunori Anazawa, Taishi Shigematsu, Miho Watanabe, Kentarou Kishi, Takashi Isozaki, Shigeki Ooma, Hiroyuki Watanabe
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Patent number: 7364709Abstract: A manufacturing apparatus, including: two electrodes whose forwardmost end portions are opposed to each other; a power supply which applies a voltage between the electrodes in order to generate discharge plasma in a discharge area between the electrodes; and plural magnets that form a magnetic field in the generation area of the discharge plasma by generating a magnetic field from a magnetic pole surface of each of the plural magnets that are arranged to have the magnetic pole surfaces thereof opposed to one imaginary axis within a space; and of the two electrodes, at least a part of one electrode is located in an area surrounded by: an imaginary plane formed by connecting end portions of the magnetic pole surfaces of the plural magnets on one side in a direction of the imaginary axis.Type: GrantFiled: October 30, 2002Date of Patent: April 29, 2008Assignee: Fuji Xerox Co., Ltd.Inventors: Kazunori Anazawa, Hiroyuki Watanabe, Kentaro Kishi, Masaki Hirakata, Masaaki Shimizu
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Electron beam generator device having carbon nanotube structure with a crosslinked network structure
Patent number: 7355334Abstract: An electron beam generator device includes a base body having a conductive surface and a electron-emission electrode having a carbon nanotube structure on the conductive surface of the substrate. The carbon nanotube structure constitutes a network structure which has plural carbon nanotubes and a crosslinked part including a chemical bond of plural functional groups. The chemical bond connects one end of one of the carbon nanotubes to another one of the carbon nanotubes. A method for producing an electron beam generator device, includes applying plural carbon nanotubes each having a functional group onto a conductive surface of a base body, and crosslinking the functional groups with a chemical bond to form a crosslinked part, thereby forming a carbon nanotube structure constituting a network structure having plural carbon nanotubes electrically connected to each other.Type: GrantFiled: September 3, 2004Date of Patent: April 8, 2008Assignee: Fuji Xerox Co., Ltd.Inventors: Kazunori Anazawa, Chikara Manabe, Kentaro Kishi, Taishi Shigematsu, Miho Watanabe, Masaki Hirakata, Takashi Isozaki, Hiroyuki Watanabe, Shigeki Ooma, Shinsuke Okada -
Publication number: 20080053952Abstract: A rectifying device comprising a pair of electrodes, and a carrier transporter consisting of one or more of carbon nanotubes provided between the pair of electrodes wherein high frequency response and heat resistance of the carrier transporter are enhanced by differentiating two connection structures such that the barrier level between one electrode and the first interface of the carrier transporter is different from the barrier level between the other electrode and the second interface of the carrier transporter. An electronic circuit employing such a rectifying device and a process for producing the rectifying device are also provided.Type: ApplicationFiled: May 20, 2004Publication date: March 6, 2008Applicant: FUJI XEROX CO., LTD.Inventors: Shinsuke Okada, Masaki Hirakata, Chikara Manabe, Kazunori Anazawa, Taishi Shigematsu, Miho Watanabe, Kentaro Kishi, Takashi Isozaki, Shigeki Ooma, Hiroyuki Watanabe
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Publication number: 20080049380Abstract: A carbon nanotube film includes a first carbon nanotube group that is an aggregate of carbon nanotubes crosslinked to each other to form a network structure and a second carbon nanotube group that is an aggregate of carbon nanotubes having a diameter different from a diameter of the carbon nanotubes in the first carbon nanotube group, wherein the first carbon nanotube group and the second carbon nanotube group are in admixture.Type: ApplicationFiled: March 19, 2007Publication date: February 28, 2008Applicant: FUJI XEROX CO., LTD.Inventors: Tomoko Miyahara, Kazunori Anazawa
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Patent number: 7309404Abstract: Provided is a manufacturing apparatus for a carbon nanotube, including: at least two electrodes whose tips are opposed to each other, and a power supply that applies a voltage between the two electrodes to generate discharge plasma in a discharge area between the two electrodes. By using a porous carbonaceous material for at least one of the two electrodes, it is possible to provide a manufacturing apparatus and method for a carbon nanotube, which are capable of manufacturing at a low cost the carbon nanotube that is inexpensive and has a further higher purity.Type: GrantFiled: August 25, 2003Date of Patent: December 18, 2007Assignee: Fuji Xerox Co., Ltd.Inventors: Kazunori Anazawa, Kentaro Kishi, Masaki Hirakata, Hiroyuki Watanabe, Masaaki Shimizu
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Patent number: 7244373Abstract: To provide a composite excellent in mechanical strength or in electric conductivity and obtained by combining a carbon nanotube structure and ceramics, and a method of manufacturing the same. The composite is composed of the carbon nanotube structure and the ceramics, and, in the carbon nanotube carbon nanotube structure, functional groups bonded to multiple carbon nanotubes are chemically bonded to mutually cross-link to construct a network structure.Type: GrantFiled: February 4, 2004Date of Patent: July 17, 2007Assignee: Fuji Xerox Co., Ltd.Inventors: Kazunori Anazawa, Chikara Manabe, Masaki Hirakata, Kentaro Kishi, Taishi Shigematsu, Miho Watanabe, Hiroyuki Watanabe, Takashi Isozaki, Shigeki Ooma, Shinsuke Okada
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Patent number: 7244374Abstract: Provided are: a composite formed by mixing a carbon nanotube structure and a metal-containing material, the carbon nanotube structure having a network structure constructed by mutually cross-linking functional groups bonded to plural carbon nanotubes through chemical bonding of the functional groups together; and a method of manufacturing the same. The composite of the carbon nanotube and the metal-containing material is capable of effectively using characteristics of the carbon nanotube structure.Type: GrantFiled: August 3, 2004Date of Patent: July 17, 2007Assignee: Fuji Xerox Co., Ltd.Inventors: Kazunori Anazawa, Chikara Manabe, Masaki Hirakata, Kentaro Kishi, Taishi Shigematsu, Miho Watanabe, Takashi Isozaki, Hiroyuki Watanabe, Shigeki Ooma, Shinsuke Okada
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Publication number: 20070145335Abstract: To provide a composite excellent in mechanical strength or in electric conductivity and obtained by combining a carbon nanotube structure and ceramics, and a method of manufacturing the same. The composite is composed of the carbon nanotube structure and the ceramics, and, in the carbon nanotube carbon nanotube structure, functional groups bonded to multiple carbon nanotubes are chemically bonded to mutually cross-link to construct a network structure.Type: ApplicationFiled: February 4, 2004Publication date: June 28, 2007Applicant: FUJI XEROX CO., LTD.Inventors: Kazunori Anazawa, Chikara Manabe, Masaki Hirakata, Kentaro Kishi, Taishi Shigematsu, Miho Watanabe, Hiroyuki Watanabe, Takashi Isozaki, Shigeki Ooma, Shinsuke Okada
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Patent number: 7217374Abstract: To provide a resistance element having an electric resistance body with excellent stability and a method of manufacturing the same. The resistance element includes an electric resistance body, on a base body surface, consisting of a carbon nanotube structure layer 14, which configures a mesh structure in which at least plural carbon nanotubes are cross-linked to one another. The method of manufacturing the resistance element includes: an applying step of applying the base body surface 12 with a liquid solution containing carbon nanotubes having functional groups; and a cross-linking step of forming the carbon nanotube structure layer 14, used as an electric resistance body, that configures a mesh structure in which the plural carbon nanotubes are cross-linked to one another through curing of the liquid solution after application.Type: GrantFiled: January 29, 2004Date of Patent: May 15, 2007Assignee: Fuji Xerox Co., Ltd.Inventors: Miho Watanabe, Masaki Hirakata, Kazunori Anazawa, Chikara Manabe, Kentaro Kishi, Taishi Shigematsu, Takashi Isozaki, Hiroyuki Watanabe, Shigeki Ooma, Shinsuke Okada
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Patent number: 7205940Abstract: An object of the present invention is to provide an antenna of small size which is excellent in the response characteristic in the high-frequency band, and to provide a communication device including the antenna having such an excellent characteristic that it is possible to realize downsizing of the device as a whole. That is, the present invention is directed to an antenna characterized by including a radiator made up of a carbon nanotube, and as a specific structure, for example, an antenna characterized by including an electrode that is connected with a part of the carbon nanotube and operates as a monopole antenna, and a communication device including the antenna.Type: GrantFiled: February 25, 2003Date of Patent: April 17, 2007Assignee: Fuji Xerox Co., Ltd.Inventors: Kazunori Anazawa, Chikara Manabe, Hirotsugu Kashimura, Hiroyuki Watanabe, Masaaki Shimizu
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Patent number: 7132039Abstract: An apparatus for manufacturing a carbon nanotube includes: at least two electrodes whose tips oppose to each other; a power supply which applies a voltage between the electrodes so as to generate discharge plasma in a discharge area between the electrodes; a plurality of magnets which generates at least one of a magnetic field having lines of magnetic force in multiple directions or a magnetic field having a component in parallel with the direction of a discharge current in the generation area of the discharge plasma; and a magnet cooling unit which cools the magnets.Type: GrantFiled: June 23, 2003Date of Patent: November 7, 2006Assignee: Fuji Xerox Co., Ltd.Inventors: Kazunori Anazawa, Hiroyuki Watanabe, Kentaro Kishi, Masaki Hirakata, Masaaki Shimizu
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Patent number: 7087921Abstract: To provide an active electronic device which is formed from a carbon nanotube and which excels in high frequency operation and an electronic apparatus using the active electronic device. Provided are the active electronic device including: a carbon nanotube (1); a first electrode (S) connected to one end of the carbon nanotube; a second electrode (D) connected to the other end of the carbon nanotube; and a third electrode (G) facing the carbon nanotube (1) to irradiate the carbon nanotube (1) with electromagnetic waves, in which the amount of current flowing into the carbon nanotube (1) is changed by electromagnetic waves, at least high frequency electromagnetic waves, radiated from the third electrode onto the carbon nanotube (1), and the electronic apparatus using the active electronic device.Type: GrantFiled: December 1, 2003Date of Patent: August 8, 2006Assignee: Fuji Xerox Co., Ltd.Inventors: Kazunori Anazawa, Chikara Manabe, Hiroyuki Watanabe, Hirotsugu Kashimura, Masaaki Shimizu
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Patent number: 7081429Abstract: Provided are a gas decomposing unit and an electrode for a fuel cell capable of stably supporting a gas decomposing catalyst. A gas decomposing unit and an electrode for a fuel cell each including: a carbon nanotube structure having a mesh structure in which functional groups bonded to plural carbon nanotubes are chemically bonded to mutually cross-link the plural carbon nanotubes; and a gas decomposing catalyst supported on the carbon nanotube structure. A method of manufacturing a gas decomposing unit characterized by including: an applying step of applying, to the surface of a substrate, a solution containing plural carbon nanotubes to which functional groups are bonded; a cross-linking step of chemically bonding the functional groups to build a mesh structure in which the plural carbon nanotubes mutually cross-link; and a supporting step of forming the carbon nanotube structure supporting a gas decomposing catalyst.Type: GrantFiled: June 2, 2004Date of Patent: July 25, 2006Assignee: Fuji Xerox Co., Ltd.Inventors: Kentaro Kishi, Kazunori Anazawa, Chikara Manabe, Masaki Hirakata, Taishi Shigematsu, Miho Watanabe, Hiroyuki Watanabe, Takashi Isozaki, Shigeki Ooma, Shinsuke Okada
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Publication number: 20060118777Abstract: The present invention provides an electronic device including a transporting layer which involves a low environmental load and which is excellent in semiconductor characteristics by means of a configuration having, on the surface of a base body, at least a transporting layer constituted by a carbon nanotube structure layer having a network structure in which a plurality of carbon nanotubes mutually cross-link. Also, provided is a method of manufacturing the same.Type: ApplicationFiled: December 17, 2003Publication date: June 8, 2006Inventors: Masaki Hirakata, Takashi Isozaki, Kentaro Kishi, Taishi Shigematsu, Miho Watanabe, Chikara Manabe, Kazunori Anazawa, Hiroyuki Watanabe, Shinsuke Okada, Shigeki Ooma
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Publication number: 20060057037Abstract: Apparatus for producing a carbon structure at least including two electrodes and having forefront portions opposed to each other, and a power supply for applying a voltage between the electrodes and so that discharge plasma is produced in a discharge area between the electrodes and. The apparatus for producing a carbon structure further including a magnetic field generating unit to for forming at least a magnetic field including multidirectional lines of magnetic force or a magnetic field including a component parallel with the traveling direction of a discharge current, in an area where the discharge plasma is generated. In addition, a method for producing a carbon structure, using such an operation.Type: ApplicationFiled: April 15, 2005Publication date: March 16, 2006Applicant: FUJI XEROX CO., LTD.Inventors: Kazunori Anazawa, Hiroyuki Watanabe, Masaaki Shimizu
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Publication number: 20050284337Abstract: The coating composition for an electric part contains carbon nanotubes each having a functional group, and a crosslinking agent crosslinking the functional groups through a crosslinking reaction associated with heating, and the crosslinking agent is glycerin and/or butanetriol. The method for forming a coating film contains: coating the coating composition for an electric part on a target material, and heating the coating composition to form a crosslinked film of carbon nanotubes.Type: ApplicationFiled: February 3, 2005Publication date: December 29, 2005Applicant: FUJI XEROX CO., LTD.Inventors: Taishi Shigematsu, Kentarou Kishi, Masaki Hirakata, Kazunori Anazawa, Chikara Manabe, Miho Watanabe, Shinsuke Okada, Shigeki Ooma