Patents by Inventor Keita Kobayashi
Keita Kobayashi 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: 8705225Abstract: An electric double layer capacitor comprising a plurality of electrode bodies comprising a positive electrode and a negative electrode laminated via a separator and being impregnated with an electrolyte solution, wherein the plurality of electrode bodies are electrically connected in series, the positive electrode and the negative electrode comprise an active material having pores, the electrolyte solution comprises an electrolyte having a cation and a counteranion of the cation, a ratio of an average pore diameter of the active material of the positive electrode to an ion diameter of the counteranion is in the range of 2.5 to 2.8, and a ratio of an average pore diameter of the active material of the negative electrode to an ion diameter of the cation is in the range of 1.65 to 1.85.Type: GrantFiled: March 29, 2010Date of Patent: April 22, 2014Assignee: TDK CorporationInventors: Yoshihiko Ohashi, Keita Kobayashi, Hidetake Itoh, Kazuo Katai
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Patent number: 8700703Abstract: The present invention relates to a communication system, and the invention specifically provides a contents server that appropriately stores media contents from group users in a PoC Service and a conference service. The contents server includes: a recording unit that records media information from plural users in a communicatable state participating in a predetermined group, for each group; a detecting unit that detects a communicatable state or an uncommunicatable state of each participating user, at each predetermined time; and a deleting unit that deletes confirmed media information already recorded in the recording unit, upon detecting that all the participating users are in the communicatable state.Type: GrantFiled: May 8, 2007Date of Patent: April 15, 2014Assignee: Fujitsu LimitedInventors: Takashi Ueno, Kazutoshi Kobayashi, Hironobu Oshika, Shouichi Kimura, Tadaaki Tanaka, Takashi Kaneko, Masaaki Nagasaka, Keita Kobayashi
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Patent number: 8580148Abstract: It is an object of the present invention to provide an alkaline earth metal aluminate phosphor having good heat resistance and durability against vacuum ultraviolet rays and ultraviolet rays, among others, and a method of producing the same. An alkaline earth metal aluminate phosphor containing bivalent europium as an activator, which contains at least one element (e) selected from the group consisting of indium, tungsten, niobium, bismuth, molybdenum, tantalum, thallium and lead.Type: GrantFiled: March 12, 2004Date of Patent: November 12, 2013Assignee: Sakai Chemical Industry Co., Ltd.Inventors: Seiko Hirayama, Keita Kobayashi, Junya Ishii, Mizuho Wada, Shinji Nakahara
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Patent number: 8518848Abstract: A titanium oxide photocatalyst that is capable of improving a decomposition rate, and a method for producing the same are provided. The titanium oxide photocatalyst of the present invention is a titanium oxide photocatalyst containing at least an anatase-type titanium oxide and fluorine, wherein a content of the fluorine is 2.5 wt % to 3.5 wt %, and 90 wt % or more of the fluorine is chemically bonded to the anatase-type titanium oxide.Type: GrantFiled: February 29, 2012Date of Patent: August 27, 2013Assignees: Panasonic Corporation, Sakai Chemical Industry Co., Ltd.Inventors: Noboru Taniguchi, Shuzo Tokumitsu, Tomohiro Kuroha, Kenichi Tokuhiro, Akio Nakashima, Keita Kobayashi, Shinji Nakahara
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Publication number: 20130105737Abstract: Zinc sulfide phosphor that has high energy efficiency and color purity and that emits blue light is provided. Specifically, a zinc sulfide phosphor adapted for use as a light source or in a display by being applied to powder EL elements is provided. The zinc sulfide blue phosphor comprises copper, silver or both elements and nickel, iron or both elements. The phosphor is obtained by adding a compound comprising copper, silver or both elements, a zinc compound, a sulfidizing agent and a compound comprising nickel, iron or both elements as an aqueous solution to an organic solvent to form a reaction mixture, heating the mixture and removing water from the reaction mixture by azeotropic dehydration of water and the organic solvent to obtain a zinc sulfide phosphor precursor, further sintering the zinc sulfide phosphor precursor.Type: ApplicationFiled: May 11, 2011Publication date: May 2, 2013Applicant: SAKAI CHEMICAL INDUSTRY CO., LTD.Inventors: Keiji Ono, Akihumi Sano, Hiroki Nagayoshi, Keita Kobayashi, Satoshi Komori, Atsuki Terabe, Yosuke Akahori, Kazuma Inoue, Hideharu Iwasaki
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Patent number: 8401173Abstract: It is determined whether a call-connection condition set to a call-connection device is a first call-connection state or a second call-connection state. When the determination result shows that the first call-connection state is set, a call is connected from an originating terminal to a destination terminal. When the determination result shows that the second call-connection state is set, the call is connected from the originating terminal to the destination terminal and conversation-termination processing is performed without waiting for a disconnection request transmitted from the originating terminal or the destination terminal.Type: GrantFiled: April 4, 2007Date of Patent: March 19, 2013Assignee: Fujitsu LimitedInventors: Takashi Kaneko, Masaaki Nagasaka, Tadahiro Ohta, Tadaaki Tanaka, Keita Kobayashi, Norishige Ichihashi
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Publication number: 20120237185Abstract: According to one embodiment, a video server apparatus includes a table generator, an acquisition module, and a controller. The table generator generates a management table associating a contents ID with the contents data, and stores the management table in the memory. The acquisition module acquires contents management information from a change request source upon generation of a change request for the contents data. The controller refers to the management table based on the contents ID included in the contents management information, executes change processing for the contents data recorded in the memory based on a reference result of the management table.Type: ApplicationFiled: January 31, 2012Publication date: September 20, 2012Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Naoko Satoh, Shuichi Yamaguchi, Toshiki Mori, Hiroyuki Watanabe, Hiroyuki Wada, Keita Kobayashi
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Patent number: 8208897Abstract: The present invention relates to a portable wireless terminal, and in particular, a portable wireless terminal such as a cellular phone, etc., and its security system that can reliably prevent, by remote control, improper use of the portable wireless terminal by a third party when it is lost or stolen.Type: GrantFiled: May 16, 2007Date of Patent: June 26, 2012Assignee: Fujitsu LimitedInventors: Takashi Kaneko, Tadaaki Tanaka, Masaaki Nagasaka, Keita Kobayashi
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Publication number: 20120157300Abstract: A titanium oxide photocatalyst that is capable of improving a decomposition rate, and a method for producing the same are provided. The titanium oxide photocatalyst of the present invention is a titanium oxide photocatalyst containing at least an anatase-type titanium oxide and fluorine, wherein a content of the fluorine is 2.5 wt % to 3.5 wt %, and 90 wt % or more of the fluorine is chemically bonded to the anatase-type titanium oxide.Type: ApplicationFiled: February 29, 2012Publication date: June 21, 2012Applicants: SAKAI CHEMICAL INDUSTRY CO., LTD., PANASONIC CORPORATIONInventors: Noboru TANIGUCHI, Shuzo TOKUMITSU, Tomohiro KUROHA, Kenichi TOKUHIRO, Akio NAKASHIMA, Keita KOBAYASHI, Shinji NAKAHARA
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Patent number: 8156363Abstract: An information processing device and a mobile terminal include a power consumption calculator which calculates, for each processing executed by the information processing device (or mobile terminal), power consumption information concerning an amount of power consumed by executing each processing. A request generator compares the amount of power indicated by the power consumption information and a remaining amount of power of the information processing device(or mobile terminal), and generates a request to execute predetermined processing according to a result of the comparison. A request processor executes the predetermined processing in response to the generated request.Type: GrantFiled: June 30, 2008Date of Patent: April 10, 2012Assignee: Panasonic CorporationInventors: Keita Kobayashi, Ryoko Morita, Yusuke Ito, Naoya Ichinose, Shoichi Araki, Osamu Nishimura, Toshio Sasaoka, Yoko Matsushima
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Patent number: 8148289Abstract: A titanium oxide photocatalyst that is capable of improving a decomposition rate, and a method for producing the same are provided. The titanium oxide photocatalyst of the present invention is a titanium oxide photocatalyst containing at least an anatase-type titanium oxide and fluorine, wherein a content of the fluorine is 2.5 wt % to 3.5 wt %, and 90 wt % or more of the fluorine is chemically bonded to the anatase-type titanium oxide.Type: GrantFiled: April 18, 2008Date of Patent: April 3, 2012Assignees: Panasonic Corporation, Sakai Chemical Industry Co., Ltd.Inventors: Noboru Taniguchi, Shuzo Tokumitsu, Tomohiro Kuroha, Kenichi Tokuhiro, Akio Nakashima, Keita Kobayashi, Shinji Nakahara
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Publication number: 20110103764Abstract: An input unit receives a viewing condition inputted by a user for a received broadcast content. A reproduction unit reproduces the broadcast content which meets the viewing condition while controlling a reproduction rate indicating a reproduction speed of the broadcast content.Type: ApplicationFiled: January 6, 2011Publication date: May 5, 2011Applicant: PANASONIC CORPORATIONInventors: Ryoko MORITA, Keita Kobayashi, Yoko Matsushima, Toshio Sasaoka
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Publication number: 20110086973Abstract: To provide a curable composition which is quickly cured, with which objects to be bonded can be sufficiently bonded even if gaps are formed between the objects, if the size of the gaps is at a level of at most 100 ?m. A curable composition which comprises at least one organic peroxide, an accelerator which reacts with the organic peroxide to accelerate polymerization of monomers, a monofunctional (meth)acrylate and a multifunctional (meth)acrylate, wherein the organic peroxide is encapsulated in microcapsules. Preferably the above curable composition, wherein the monofunctional (meth)acrylate contains a (meth)acrylate having a carboxylic group and a (meth)acrylate having an alicyclic hydrocarbon.Type: ApplicationFiled: June 11, 2008Publication date: April 14, 2011Applicant: Denki Kagaku Kogyo Kabushiki KaishaInventors: Keita Kobayashi, Kimihiko Yoda, Jun Watanabe
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Patent number: 7855013Abstract: The electric double-layer capacitor has a portion where a thickness of a sealing member from a surface of an outer package to a surface of a lead in a laminating direction of electrode bodies on one side of the lead differs from that on the other side of the lead such that two leads connected to each electrode body are arranged within the same plane perpendicular to the laminating direction of the electrode bodies. The electrode bodies are laminated in the outer package such as to yield portions where only one of the planar leads of a first electrode body overlaps one of the planar leads of a second electrode body in the laminating direction of the electrode bodies in the opening part of the outer package.Type: GrantFiled: July 23, 2010Date of Patent: December 21, 2010Assignee: TDK CorporationInventors: Yoshihiko Ohashi, Keita Kobayashi
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Publication number: 20100284127Abstract: The electric double-layer capacitor has a portion where a thickness of a sealing member from a surface of an outer package to a surface of a lead in a laminating direction of electrode bodies on one side of the lead differs from that on the other side of the lead such that two leads connected to each electrode body are arranged within the same plane perpendicular to the laminating direction of the electrode bodies. The electrode bodies are laminated in the outer package such as to yield portions where only one of the planar leads of a first electrode body overlaps one of the planar leads of a second electrode body in the laminating direction of the electrode bodies in the opening part of the outer package.Type: ApplicationFiled: July 23, 2010Publication date: November 11, 2010Applicant: TDK CORPORATIONInventors: Yoshihiko OHASHI, Keita Kobayashi
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Patent number: 7820337Abstract: An electrochemical device has an armor; a structure housed in the armor and having a separator disposed between first and second electrodes; and external terminals with respective leads connected to the first and second electrodes of the structure, respectively, and extending from the interior of the armor across a sealed portion of the armor to the outside; at least a surface of an intersection in each of the leads crossing the sealed portion is provided with at least one of depressed portion and projected portion. This electrochemical device is realized in compact size and with high reliability.Type: GrantFiled: March 21, 2008Date of Patent: October 26, 2010Assignee: TDK CorporationInventors: Katsuo Naoi, Kenji Nishizawa, Keita Kobayashi
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Publication number: 20100246095Abstract: An electric double layer capacitor comprising a plurality of electrode bodies comprising a positive electrode and a negative electrode laminated via a separator and being impregnated with an electrolyte solution, wherein the plurality of electrode bodies are electrically connected in series, the positive electrode and the negative electrode comprise an active material having pores, the electrolyte solution comprises an electrolyte having a cation and a counteranion of the cation, a ratio of an average pore diameter of the active material of the positive electrode to an ion diameter of the counteranion is in the range of 2.5 to 2.8, and a ratio of an average pore diameter of the active material of the negative electrode to an ion diameter of the cation is in the range of 1.65 to 1.85.Type: ApplicationFiled: March 29, 2010Publication date: September 30, 2010Applicant: TDK CORPORATIONInventors: Yoshihiko OHASHI, Keita KOBAYASHI, Hidetake ITOH, Kazuo KATAI
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Patent number: 7785738Abstract: The lithium-ion secondary battery has a portion where a thickness of a sealing member from a surface of an outer package to a surface of a lead in a laminating direction of electrode bodies on one side of the lead differs from that on the other side of the lead such that two leads connected to each electrode body are arranged within the same plane perpendicular to the laminating direction of the electrode bodies. The electrode bodies are laminated in the outer package such as to yield portions where only one of the planar leads of a first electrode body overlaps one of the planar leads of a second electrode body in the laminating direction of the electrode bodies in the opening part of the outer package.Type: GrantFiled: December 18, 2008Date of Patent: August 31, 2010Assignee: TDK CorporationInventors: Yoshihiko Ohashi, Keita Kobayashi
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Publication number: 20100111817Abstract: A titanium oxide photocatalyst that is capable of improving a decomposition rate, and a method for producing the same are provided. The titanium oxide photocatalyst of the present invention is a titanium oxide photocatalyst containing at least an anatase-type titanium oxide and fluorine, wherein a content of the fluorine is 2.5 wt % to 3.5 wt %, and 90 wt % or more of the fluorine is chemically bonded to the anatase-type titanium oxide.Type: ApplicationFiled: April 18, 2008Publication date: May 6, 2010Applicants: PANASONIC CORPORATION, SAKAI CHEMICAL INDUSTRY CO., LTD.Inventors: Noboru Taniguchi, Shuzo Tokumitsu, Tomohiro Kuroha, Kenichi Tokuhiro, Akio Nakashima, Keita Kobayashi, Shinji Nakahara
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Patent number: 7704635Abstract: An electrochemical device comprises a laminate including a first electrode layer, a separator layer, and a second electrode layer laminated in sequence; an electrolytic solution infiltrating the laminate; and a resin part covering an outer periphery of the laminate. The second electrode layer has an area smaller than the area of the separator layer and the area of the first electrode layer. The surface of the separator layer opposing the second electrode layer is provided with a noncontact part kept away from the second electrode layer. The noncontact part is formed like a ring along the outer periphery of the separator layer. The resin part further covers the noncontact part of the separator layer.Type: GrantFiled: February 25, 2005Date of Patent: April 27, 2010Assignee: TDK CorporationInventors: Atsuko Kosuda, Keita Kobayashi, Satoshi Maruyama