Patents by Inventor Masahiro Kikuchi
Masahiro Kikuchi 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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Publication number: 20160107140Abstract: There is provided an adsorbent material having adsorptive removal properties of Cs and Sr in seawater, and a method for producing a crystalline silicotitanate suitable for the adsorbent material. The adsorbent material includes one selected from crystalline silicotitanates represented by Na4Ti4Si3O16.nH2O, (NaxK(1-x))4Ti4Si3O16.nH2O and K4Ti4Si3O16nH2O wherein x represents a number of more than 0 and less than 1 and n represents a number of 0 to 8; and one selected from titanate salts represented by Na4Ti9O20.mH2O, (NayK(1-y))4Ti9O20.mH2O and K4Ti9O20.mH2O wherein y represents a number of more than 0 and less than 1 and m represents a number of 0 to 10. The adsorbent material is produced by a method for producing a crystalline silicotitanate in which a silicic acid source, a sodium compound and/or a potassium compound, titanium tetrachloride, and water are mixed to obtain a mixed gel, and the mixed gel is subjected to a hydrothermal reaction.Type: ApplicationFiled: March 24, 2015Publication date: April 21, 2016Applicant: NIPPON CHEMICAL INDUSTRIAL CO., LTD.Inventors: Shinsuke Miyabe, Yutaka Kinose, Masahiro Kikuchi, Takeshi Sakamoto
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Publication number: 20150249023Abstract: A method of manufacturing a semiconductor device, includes preparing a molding die for molding a resin case for a semiconductor device, the molding die having protrusions to fix each of a plurality of terminals having a leg portion in a predetermined position; conforming and holding each of the plurality of terminals to the corresponding protrusions in the molding die; and injecting resin into the molding die to integrally mold the plurality of terminals and the resin case.Type: ApplicationFiled: May 18, 2015Publication date: September 3, 2015Inventors: Kazunaga ONISHI, Rikihiro MARUYAMA, Masafumi TEZUKA, Masahiro KIKUCHI
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Patent number: 9070696Abstract: In a method of manufacturing a semiconductor device, a molding die for molding a resin case for a semiconductor device is prepared such that the molding die has protrusions to fix each of a plurality of terminals having a leg portion in a predetermined position. Each of the plurality of terminals is held to the corresponding protrusions in the molding die, and resin is injected into the molding die to integrally mold the plurality of terminals and the resin case.Type: GrantFiled: April 11, 2014Date of Patent: June 30, 2015Assignee: FUJI ELECTRIC CO., LTD.Inventors: Kazunaga Onishi, Rikihiro Maruyama, Masafumi Tezuka, Masahiro Kikuchi
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Publication number: 20140312464Abstract: In a method of manufacturing a semiconductor device, a molding die for molding a resin case for a semiconductor device is prepared such that the molding die has protrusions to fix each of a plurality of terminals having a leg portion in a predetermined position. Each of the plurality of terminals is held to the corresponding protrusions in the molding die, and resin is injected into the molding die to integrally mold the plurality of terminals and the resin case.Type: ApplicationFiled: April 11, 2014Publication date: October 23, 2014Applicant: FUJI ELECTRIC CO., LTD.Inventors: Kazunaga ONISHI, Rikihiro MARUYAMA, Masafumi TEZUKA, Masahiro KIKUCHI
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Patent number: 8247112Abstract: An object of the present invention is to provide an electrolyte solution for lithium-ion secondary batteries comprising a tetraalkylphosphonium salt which improves the cycle characteristics and safety of lithium-ion batteries, and to provide a lithium-ion secondary battery using the electrolyte solution. Disclosed is an electrolyte comprising a tetraalkylphosphonium salt represented by general formula (1) wherein R1 represents a linear, branched or alicyclic alkyl group having 2 to 6 carbon atoms and R2 represents a linear, branched or alicyclic alkyl group having 1 to 14 carbon atoms, provided that R1 and R2 are different from each other and the total number of carbon atoms in the phosphonium cation is 20 or less; and X represents an anion.Type: GrantFiled: September 11, 2007Date of Patent: August 21, 2012Assignee: Nippon Chemical Industrial Co., Ltd.Inventors: Katsuhiko Tsunashima, Masahiro Kikuchi
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Patent number: 8057935Abstract: A high power lithium-ion secondary battery having an increased capacity and capable of maintaining high discharge voltage and repeating charging/discharging high current. A lithium-ion secondary battery having an electrode group formed by laminating or winding a negative electrode layer and a positive electrode layer so as to interpose a separator made of synthetic resin, the negative electrode layer containing a material capable of intercalating/deintercalating lithium-ion, and the positive electrode layer including a lithium-containing metallic oxide; and a non-aqueous electrolyte containing lithium salt, where the electrode group is immersed. The positive electrode material unit contains a fluorinated lithium-containing metallic oxide as a main material, and the separator possesses a hydrophilic group. Further, the positive electrode material preferably contains a main material including LiNixCoyMnzO2, where 0.6?x<1, 0<y?0.2, 0<z?0.2, and x+y+z=1.Type: GrantFiled: October 6, 2006Date of Patent: November 15, 2011Assignees: Toyo Tanso Co., Ltd., Nippon Chemical Industrial Co., Ltd.Inventors: Hitoshi Takebayashi, Makoto Hongu, Tetsuro Tojo, Shinji Saito, Takehiko Sawai, Katsuyuki Negishi, Masahiro Kikuchi
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Patent number: 7919914Abstract: It is possible to enhance the luminance of a cold-cathode type discharge lamp and to contribute to a prolongation of service life thereof. A discharge lamp 1 is provided with an electrode 3 having a cup 4 with such a shape that a bottom is provided at each of both opposed ends of the glass tube 2. The cup 4 is connected to a lead-in wire 8 which is inserted through the end of the glass tube 2 and held thereby. The collision-preventing ring 5 covering an end surface of the cup 4 is provided to the open end 4a of the cup 4. The porous tungsten disk 6 impregnated with a ternary metal oxide composed of barium (Ba), aluminum (Al), and calcium (Ca) as an electron emission material is provided at a bottom in an inside of the cup 4.Type: GrantFiled: February 26, 2010Date of Patent: April 5, 2011Assignee: Sony CorporationInventors: Hiroshi Takahashi, Yukio Hara, Masahiro Kikuchi, Yoshiichi Horikoshi, Hiroto Watanabe, Ryouichi Yoshida
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Patent number: 7750546Abstract: It is possible to enhance the luminance of a cold-cathode type discharge lamp and to contribute to a prolongation of service life thereof. A discharge lamp 1 is provided with an electrode 3 having a cup 4 with such a shape that a bottom is provided at each of both opposed ends of the glass tube 2. The cup 4 is connected to a lead-in wire 8 which is inserted through the end of the glass tube 2 and held thereby. The collision-preventing ring 5 covering an end surface of the cup 4 is provided to the open end 4a of the cup 4. The porous tungsten disk 6 impregnated with a ternary metal oxide composed of barium (Ba), aluminum (Al), and calcium (Ca) as an electron emission material is provided at a bottom in an inside of the cup 4.Type: GrantFiled: January 19, 2005Date of Patent: July 6, 2010Assignee: Sony CorporationInventors: Hiroshi Takahashi, Yukio Hara, Masahiro Kikuchi, Yoshiichi Horikoshi, Hiroto Watanabe, Ryouichi Yoshida
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Publication number: 20100156270Abstract: It is possible to enhance the luminance of a cold-cathode type discharge lamp and to contribute to a prolongation of service life thereof. A discharge lamp 1 is provided with an electrode 3 having a cup 4 with such a shape that a bottom is provided at each of both opposed ends of the glass tube 2. The cup 4 is connected to a lead-in wire 8 which is inserted through the end of the glass tube 2 and held thereby. The collision-preventing ring 5 covering an end surface of the cup 4 is provided to the open end 4a of the cup 4. The porous tungsten disk 6 impregnated with a ternary metal oxide composed of barium (Ba), aluminum (Al), and calcium (Ca) as an electron emission material is provided at a bottom in an inside of the cup 4.Type: ApplicationFiled: February 26, 2010Publication date: June 24, 2010Applicant: SONY CORPORATIONInventors: Hiroshi Takahashi, Yukio Hara, Masahiro Kikuchi, Yoshiichi Horikoshi, Hiroto Watanabe, Ryouichi Yoshida
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Patent number: 7714487Abstract: It is possible to prolong service life of a discharge lamp of hot-cathode type and to reduce a diameter thereof. A discharge lamp 1 is provided with an electrode 3. The electrode 3 has a heater 4 made up a coil portion 4a, and a first lead wire portion 4b and a second lead wire portion 4c that respectively extend from rear ends of this coil portion 4a and applied by an electron emission material 3a. In the electrode 3, a first lead-in wires 6a is connected to the first lead wire portion 4b and a second lead-in wires 6b is connected to the second lead wire portion 4c, so that the coil portion 4a is arranged vertically along the tube axis of the glass tube 2. The electrode 3 is also provided a sleeve 7 covering surrounding of the coil portion 4a and having openings in the faces respectively opposite to the forward end and rear end of the coil portion 4a. An open end 7a of the sleeve 7 exceeds a forward end of the coil portion 4a, thereby protecting the coil portion 4a.Type: GrantFiled: January 19, 2005Date of Patent: May 11, 2010Assignee: Sony CorporationInventors: Yoshiichi Horikoshi, Yukio Hara, Masahiro Kikuchi, Hiroshi Takahashi, Ryouichi Yoshida, Hiroto Watanabe
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Publication number: 20100086752Abstract: Transfer films for firing which have the excellent property of transferring a functional pattern and enable a pyrolysis gas generated by the firing of organic substances to be released smoothly, and which can form on a substrate a functional pattern free from defects such as a shape or function failure. One of the transfer films for firing comprises a release film and a multilayered structure formed so as to be in contact with one of the surfaces of the release film. The multilayered structure includes both a pressure-sensitive adhesive layer for bonding the transfer film for firing to a surface of a substrate and a functional pattern formed between the release film and the pressure-sensitive adhesive layer. The functional pattern comprises inorganic particles and a first organic substance removable by firing, and the pressure-sensitive adhesive layer comprises a second organic substance removable by firing and different from the first organic substance.Type: ApplicationFiled: December 14, 2009Publication date: April 8, 2010Applicants: TOPPAN TDK LABEL CO., Ltd.,, NIPPON SHEET GLASS CO., LTD.Inventors: Akihiro IIKUMA, Hideaki Shinozaki, Masahiro Kikuchi, Tatsuya Otsuka, Taiichi Kubo, Kazuhisa Ono
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Publication number: 20100086754Abstract: A transfer film for firing which has a multilayer structure including a functional pattern and a pressure-sensitive adhesive layer. The multilayer structure is free from a shape failure of the functional pattern and a decrease in adhesive force of the adhesive layer, and has the excellent transferability to a substrate. The transfer film gives a fired functional pattern free from defects such as a shape or function failure. The transfer film for firing is one for use in forming a fired functional pattern by transferring a multilayer structure including a functional pattern to a surface of a substrate and firing it. The transfer film comprises a release film and a multilayer structure formed so as to be in contact with one of the surfaces of the release film. The multilayer structure includes a functional pattern and a contact layer which has been formed so as to be in direct contact with the surface of the functional pattern and is constituted of one layer or a larger number of layers.Type: ApplicationFiled: December 14, 2009Publication date: April 8, 2010Applicants: TOPPAN TDK LABEL CO., Ltd.,, NIPPON SHEET GLASS CO., LTD.Inventors: Akihiro Iikuma, Hideaki Shinozaki, Masahiro Kikuchi, Tatsuya Otsuka, Taiichi Kubo, Kazuhisa Ono
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Publication number: 20100003597Abstract: An object of the present invention is to provide an electrolyte solution for lithium-ion secondary batteries comprising a tetraalkylphosphonium salt which improves the cycle characteristics and safety of lithium-ion batteries, and to provide a lithium-ion secondary battery using the electrolyte solution. Disclosed is an electrolyte comprising a tetraalkylphosphonium salt represented by general formula (1) wherein R1 represents a linear, branched or alicyclic alkyl group having 2 to 6 carbon atoms and R2 represents a linear, branched or alicyclic alkyl group having 1 to 14 carbon atoms, provided that R1 and R2 are different from each other and the total number of carbon atoms in the phosphonium cation is 20 or less; and X represents an anion.Type: ApplicationFiled: September 11, 2007Publication date: January 7, 2010Applicant: NIPPON CHEMICAL INDUSTRIAL CO., LTD.Inventors: Katsuhiko Tsunashima, Masahiro Kikuchi
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Publication number: 20090278082Abstract: It is an object of the present invention to provide a cathode active material capable of reducing degradation in an operation voltage and capacity as compared conventionally when used for a lithium ion secondary battery, and a method for manufacturing the same. The cathode active material contains a composite oxide of lithium and a transition metal (s), wherein a reduction loss of TLC in the composite oxide is 20 to 60%. Also, the composite oxide has a particle diameter of 0.5 to 100 ?m, and is preferably fluorinated. The method for manufacturing the cathode active material includes the step of fluorinating the cathode active material. The composite oxide has a particle diameter of 0.5 to 100 ?m. The fluorinating step is to fluorinate the composite oxide in a reaction vessel under conditions where fluorine gas partial pressure is 1 to 200 kPa, a reaction time is 10 minutes to 10 days, and a reaction temperature is ?10 to 200° C.Type: ApplicationFiled: March 31, 2006Publication date: November 12, 2009Applicants: TOYO TANSO CO., LTD., SEI CORPORATION, NIPPON CHEMICAL INDUSTRIAL CO., LTD.Inventors: Hitoshi Takebayashi, Makoto Hongu, Tetsuro Tojo, Shinji Saito, Takehiko Sawai, Katsuyuki Negishi, Masahiro Kikuchi
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Publication number: 20090239145Abstract: A high power lithium-ion secondary battery having an increased capacity and capable of maintaining high discharge voltage and repeating charging/discharging high current. A lithium-ion secondary battery having; an electrode group formed by laminating or winding a negative electrode layer and a positive electrode layer so as to interpose a separator made of synthetic resin, the negative electrode layer containing a material capable of intercalating/deintercalating lithium-ion, and a positive electrode layer including a lithium-containing metallic oxide; and a non-aqueous electrolyte containing lithium salt, where the electrode group is immersed. The positive electrode material unit contains a fluorinated lithium-containing metallic oxide as a main material, and the separator possesses a hydrophilic group. Further, the positive electrode material preferably contains a main material including LiNixCoyMnzO2, where 0.4?x?1, 0?y?0.2, 0?z 0.2, x+y+z=1.Type: ApplicationFiled: October 6, 2006Publication date: September 24, 2009Applicants: Toyo Tanso Co., Ltd., SEI CORPORATION, NIPPON CHEMICAL INDUSTRIAL CO., LTD.Inventors: Hitoshi Takebayashi, Makoto Hongu, Tetsuro Tojo, Shinji Saito, Takehiko Sawai, Katsuyuki Negishi, Masahiro Kikuchi
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Patent number: 7501896Abstract: A high frequency power amplifier electronic component (RF power module) is so constituted as to apply bias to an amplifier FET in current mirror configuration. In this RF power module, deviation of a bias point due to the short channel effect of the FET is corrected, and variation in high frequency power amplifier characteristics is reduced. The high frequency power amplifier circuit (RF power module) is so constituted that the bias voltage for the amplifier transistor in a high frequency power amplifier circuit is supplied from a bias transistor connected with the amplifier transistor in current mirror configuration. In addition to a pad (external terminal) connected with the control terminal of the amplifier transistor, a second pad is provided which is connected with the control terminal of the bias transistor connected with the amplifier transistor in current mirror configuration.Type: GrantFiled: July 3, 2007Date of Patent: March 10, 2009Assignee: Renesas Technology Corp.Inventors: Makoto Ishikawa, Hirokazu Tsurumaki, Masahiro Kikuchi, Hiroyuki Nagai
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Publication number: 20080252216Abstract: It is possible to enhance the luminance of a cold-cathode type discharge lamp and to contribute to a prolongation of service life thereof. A discharge lamp 1 is provided with an electrode 3 having a cup 4 with such a shape that a bottom is provided at each of both opposed ends of the glass tube 2. The cup 4 is connected to a lead-in wire 8 which is inserted through the end of the glass tube 2 and held thereby. The collision-preventing ring 5 covering an end surface of the cup 4 is provided to the open end 4a of the cup 4. The porous tungsten disk 6 impregnated with a ternary metal oxide composed of barium (Ba), aluminum (Al), and calcium (Ca) as an electron emission material is provided at a bottom in an inside of the cup 4.Type: ApplicationFiled: January 19, 2005Publication date: October 16, 2008Applicant: Sony CorporationInventors: Hiroshi Takahashi, Yukio Hara, Masahiro Kikuchi, Yoshiichi Horikoshi, Hiroto Watanabe, Ryouichi Yoshida
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Patent number: D587662Type: GrantFiled: June 18, 2008Date of Patent: March 3, 2009Assignee: Fuji Electric Device Technology Co., Ltd.Inventors: Masayuki Soutome, Eiji Mochizuki, Syuuji Miyashita, Masahiro Kikuchi
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Patent number: D694724Type: GrantFiled: December 27, 2012Date of Patent: December 3, 2013Assignees: Honda Motor Co., Ltd., Fuji Electric Co., Ltd.Inventors: Hiroshi Otsuka, Tomohiro Fukazu, Kosuke Nishiyama, Shin Soyano, Masahiro Kikuchi, Akira Nishiura, Takeshi Ichimura
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Patent number: D699693Type: GrantFiled: December 27, 2012Date of Patent: February 18, 2014Assignee: Fuji Electric Co., Ltd.Inventors: Hiroshi Otsuka, Tomohiro Fukazu, Kosuke Nishiyama, Shin Soyano, Masahiro Kikuchi, Akira Nishiura, Takeshi Ichimura