Patents by Inventor Katsutoshi Tanaka
Katsutoshi Tanaka 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: 11967809Abstract: A wire harness including: a wire harness body that includes an electric wire and an outer sheath configured to cover an outer circumference of the electric wire; a first route regulator that is to be attached to an outer circumference of the outer sheath and is configured to regulate a route of the wire harness body; and a fixing member configured to fix the first route regulator to an attachment target.Type: GrantFiled: November 17, 2022Date of Patent: April 23, 2024Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Ryuta Saito, Katsutoshi Izawa, Kosuke Tanaka
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Patent number: 11967808Abstract: A wire harness including; a wire harness main body including an electric wire and an outer cover enclosing an outer circumference of the electric wire; a route-regulating cover that is attached to an outer circumference of the outer cover and regulates a route of the wire harness main body; and an attachment attached to an outer circumference of a portion in a lengthwise direction of the route-regulating cover.Type: GrantFiled: October 26, 2022Date of Patent: April 23, 2024Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Kosuke Tanaka, Ryuta Saito, Katsutoshi Izawa
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Patent number: 11919458Abstract: A wire harness including: an electrical wire; and a fixing member that fixes the electrical wire to an attachment target, wherein: the fixing member has: a bolt fixing portion to be fixed to a bolt of the attachment target; and a holder that holds the electrical wire, the bolt fixing portion includes: a side surface that opposes the attachment target; a bolt insertion opening provided in the side surface and into which the bolt is to be inserted; an engagement that engages, in an axial direction, the bolt inserted into the bolt fixing portion through the bolt insertion opening; and a biasing part that is provided on the side surface and comes into contact with the attachment target.Type: GrantFiled: November 18, 2022Date of Patent: March 5, 2024Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Ryuta Saito, Katsutoshi Izawa, Kosuke Tanaka
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Patent number: 11919459Abstract: A wire harness including: a wire harness main body that includes an electric wire, an exterior tube that covers an outer circumferential surface of the electric wire, and a first path restrictor that is attached to an outer circumferential surface of the exterior tube and is configured to restrict a path of the exterior tube; and an attachment that is attached to an outer circumferential surface of a portion of the first path restrictor in a lengthwise direction thereof.Type: GrantFiled: November 23, 2022Date of Patent: March 5, 2024Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Ryuta Saito, Katsutoshi Izawa, Kosuke Tanaka
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Patent number: 11912215Abstract: A wire harness including: a wire harness main body that includes an electric wire and an exterior tube that covers an outer circumferential surface of the electric wire; a first path restrictor that is attached to an outer circumferential surface of the exterior tube and is configured to restrict a path of the wire harness main body; and an attachment that is attached to an outer circumferential surface of a portion of the first path restrictor in a lengthwise direction thereof.Type: GrantFiled: November 18, 2022Date of Patent: February 27, 2024Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Ryuta Saito, Katsutoshi Izawa, Kosuke Tanaka
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Patent number: 9771313Abstract: A purified cyclohexanol of the present invention has a methylcyclopentanol concentration of 10 to 1000 ppm by weight and a cyclohexylcyclohexene isomer concentration of 15 to 500 ppm by weight. A method for producing cyclohexanol of the present invention comprises: Step 1 of producing a solution (I) containing cyclohexanol, methylcyclopentanol, and water by a hydration reaction of cyclohexene; Step 2 of separating the solution (I) into a water phase and an oil phase; Step 3 of obtaining a partially purified cyclohexanol containing methylcyclopentanol from the oil phase; and Step 4 of separating and removing methylcyclopentanol in the partially purified cyclohexanol so as to obtain a purified cyclohexanol having a methylcyclopentanol concentration of 10 to 1000 ppm by weight and a cyclohexylcyclohexene isomer concentration of 15 to 500 ppm by weight.Type: GrantFiled: June 28, 2012Date of Patent: September 26, 2017Assignee: ASAHI KASEI CHEMICALS CORPORATIONInventors: Naoki Narisawa, Katsutoshi Tanaka
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Publication number: 20140256981Abstract: A purified cyclohexanol of the present invention has a methylcyclopentanol concentration of 10 to 1000 ppm by weight and a cyclohexylcyclohexene isomer concentration of 15 to 500 ppm by weight. A method for producing cyclohexanol of the present invention comprises: Step 1 of producing a solution (I) containing cyclohexanol, methylcyclopentanol, and water by a hydration reaction of cyclohexene; Step 2 of separating the solution (I) into a water phase and an oil phase; Step 3 of obtaining a partially purified cyclohexanol containing methylcyclopentanol from the oil phase; and Step 4 of separating and removing methylcyclopentanol in the partially purified cyclohexanol so as to obtain a purified cyclohexanol having a methylcyclopentanol concentration of 10 to 1000 ppm by weight and a cyclohexylcyclohexene isomer concentration of 15 to 500 ppm by weight.Type: ApplicationFiled: June 28, 2012Publication date: September 11, 2014Applicant: ASAHI KASEI CHEMICALS CORPORATIONInventors: Naoki Narisawa, Katsutoshi Tanaka
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Publication number: 20090322123Abstract: A single wire is provided between a pair of front side frames and a power plant, respective front ends of which are coupled to front end portions of the pair of front side frames. Accordingly, the impact load can be dispersed to the both-side front side frames in case the central portion of the vehicle front collides with the pole-shaped obstacle and the power plant can be suppressed from moving rearward.Type: ApplicationFiled: June 24, 2009Publication date: December 31, 2009Applicant: MAZDA MOTOR CORPORATIONInventors: Katsutoshi Tanaka, Yasuyuki Andou, Kouichi Nakano, Shiro Nakatani, Yukio Nakamura, Takao Maruko
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Patent number: 7444963Abstract: It is an object of the invention to provide a reliable ignition by a spark plug in a combustion power tool. Representative combustion power tool may comprise a combustion chamber, a gas supply section, a single spark plug, an ignition control device, a cylinder connected to the combustion chamber, a piston member and a tool member. The ignition control device includes a plurality of ignition circuits connected to the single spark plug to independently input power to the spark plug, and a control section that controls the manner of power input in each of the ignition circuits. According to such construction, power input in each of the ignition circuits can be controlled and therefore, a desired power output at the single spark plug can be realized.Type: GrantFiled: July 13, 2007Date of Patent: November 4, 2008Assignee: Makita CorporationInventor: Katsutoshi Tanaka
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Publication number: 20080011251Abstract: It is an object of the invention to provide a reliable ignition by a spark plug in a combustion power tool. Representative combustion power tool may comprise a combustion chamber, a gas supply section, a single spark plug, an ignition control device, a cylinder connected to the combustion chamber, a piston member and a tool member. The ignition control device includes a plurality of ignition circuits connected to the single spark plug to independently input power to the spark plug, and a control section that controls the manner of power input in each of the ignition circuits. According to such construction, power input in each of the ignition circuits can be controlled and therefore, a desired power output at the single spark plug can be realized.Type: ApplicationFiled: July 13, 2007Publication date: January 17, 2008Inventor: Katsutoshi Tanaka
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Patent number: 7045989Abstract: A plurality of charging devices 30 may be connected to a computer 10, 110 via a network 60. When computer 10 receives chewing information from a charging device 30 before performing a charging operation, computer 10 may compute the optimal charging period based upon the charging information. Parameters defining the optimal charging period may be transmitted to the respective charging devices 30. Each charging device 30 may perform the battery charging operation based upon the transmitted parameters. Thus, a network system can manage and control the charging operations for the plurality of charging devices in order to optimize charging period, optimize the number of charging devices 30 and battery packs 50 in use and maximize battery life.Type: GrantFiled: April 17, 2002Date of Patent: May 16, 2006Assignee: Makita CorporationInventors: Kazuyuki Sakakibara, Katsutoshi Tanaka
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Patent number: 6500398Abstract: A low-cost and practically useful method for preventing global warming by decomposing N2O wherein N2O contained in an N2O-containing gas to be treated can be decomposed at a relatively low temperature; and an apparatus therefor. That is, a method for preventing global warming comprising, in a process of thermally or catalytically decomposing N2O in an N2O-containing gas to be treated, dividing the N2O-containing gas stream to be treated in portions, preheating a portion thereof so as to exothermally decompose N2O in said gas stream to form a hot gas stream, and supplying the remainder of the divided gas stream to be treated into said hot gas stream to thereby continuously decompose N2O, so that global warming is prevented; and an apparatus therefor.Type: GrantFiled: May 18, 2000Date of Patent: December 31, 2002Assignee: Asahi Kasei Kabushiki KaishaInventors: Katsushi Tagawa, Koji Miura, Souhei Kodama, Atsushi Shimizu, Katsutoshi Tanaka
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Publication number: 20020156537Abstract: A plurality of charging devices 30 may be connected to a computer 10, 110 via a network 60. When computer 10 receives chewing information from a charging device 30 before performing a charging operation, computer 10 may compute the optimal charging period based upon the charging information. Parameters defining the optimal charging period may be transmitted to the respective charging devices 30. Each charging device 30 may perform the battery charging operation based upon the transmitted parameters. Thus, a network system can manage and control the charging operations for the plurality of charging devices in order to optimize charging period, optimize the number of charging devices 30 and battery packs 50 in use and maximize battery life.Type: ApplicationFiled: April 17, 2002Publication date: October 24, 2002Inventors: Kazuyuki Sakakibara, Katsutoshi Tanaka
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Patent number: 6071997Abstract: A three-dimensional composite of silica spheres interconnected by resin is provided having a three-dimensional network structure including silica particles having the following structural and dynamic characteristics and a resin present in the internal pores of said network:(a) three-dimensionally interconnected spherical silica particles having a diameter of 6 to 30 .mu.m;(b) on the surface of said spherical silica particles, a specific surface area of 300 to 400 m.sup.Type: GrantFiled: May 14, 1997Date of Patent: June 6, 2000Assignee: Agency of Industrial Science and TechnologyInventors: Yuko Tanaka, Muneaki Yamaguchi, Hiromasa Ogawa, Katsutoshi Tanaka
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Patent number: 5900450Abstract: A method for preparing a three dimensionally connected silica spheres-resin composite, which comprises hydrolyzing and polymerizing a low molecular weight polyalkoxysilane in the presence of an acid catalyst in a mixed solution of the low molecular weight polyalkoxysilane and a water-soluble polymer in a solvent mixture of water and alcohol to obtain a three dimensional connected silica spheres, impregnating the three dimensional connected silica spheres with at least one material selected from resin-forming monomers and resin-forming prepolymers, and curing the material. The composite obtained by the above method retains its strength even at high temperatures where the organic matter undergoes pyrolysis or burnout.Type: GrantFiled: May 22, 1997Date of Patent: May 4, 1999Assignee: Agency of Industrial Science & TechnologyInventors: Yuko Tanaka, Muneaki Yamaguchi, Hiromasa Ogawa, Katsutoshi Tanaka
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Patent number: 5656250Abstract: A three-dimensional network structure comprising three-dimensionally interconnected spherical silica particles, having specific physical characteristics including diameter, pores on the surfaces of the particles, cross-sectional areas of the bonds interconnecting the spherical silica particles, elasticity modulus, voids content, and silica content, the surfaces of the spherical silica particles being wholly or partly covered with a water-soluble polymer, the network structure being able to remain substantially intact when heat-treated and being able to undergo machining. There is also provided a method of making a three-dimensional network structure comprising spherical silica particles, comprising hydrolyzing and polymerizing a low polymer of an alkoxysilane in a mixed solution containing the alkoxysilane low polymer and a water-soluble polymer in a mixed solvent composed of water and an alcohol in the presence of an acid catalyst.Type: GrantFiled: June 27, 1995Date of Patent: August 12, 1997Assignee: Jiro Hiraishi, Director-General, Agency of Industrial Science and TechnologyInventors: Yuko Tanaka, Muneaki Yamaguchi, Hiromasa Ogawa, Katsutoshi Tanaka
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Patent number: 5045587Abstract: The present invention relates to a method of maintaining the flowability of a dispersion of fine particles of a water-soluble polymer mainly comprising acrylic acid and/or acrylamide in an aqueous salt solution for a long period of time.In order to attain the above-described object, the present invention is characterized by adding to a polymer dispersion 0.05 to 1% by weight, based on the dispersion, of a nonionic surfactant and 2 to 10% by weight, based on the dispersion, of an oleaginous liquid. The aqueous salt solution for dispersing the polymer particles is most preferably an aqueous solution of a salt wherein the counter ion is a monovalent cation, and the salt concentration of the aqueous solution is preferably at least 15% by weight.The acrylic water-soluble polymer dispersion is used for applications such as high-molecular flocculants, sizing agents, or paper-strength agents.Type: GrantFiled: December 12, 1989Date of Patent: September 3, 1991Assignee: Kyoritsu Yuki Co., Ltd.Inventor: Katsutoshi Tanaka
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Patent number: 4370464Abstract: Novel cationic polymer flocculants are prepared by polycondensation of an epihalohydrin and mixed Mannich reaction products of a monohydric phenol and bisphenol with formaldehyde and dialkylamine. The flocculants are stable in aqueous solutions and show an excellent effect in purification of industrial effluents.Type: GrantFiled: October 28, 1981Date of Patent: January 25, 1983Assignees: Kyoritsu Yuki Co., Ltd., Mitsubishi Chemical Industries, Ltd.Inventors: Katsutoshi Tanaka, Hisao Takeda, Mutsumi Kawano, Isao Miyahara
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Patent number: 4155847Abstract: New cationic flocculants are prepared by polycondensation of an epihalohydrin and Mannich reaction products of phenol, formaldehyde, and dialkylamine. The flocculants are useful for flocculation of various kinds of suspension such as various industrial waste waters, pulp slurry in paper making and the like.Type: GrantFiled: August 10, 1978Date of Patent: May 22, 1979Assignees: Mitsubishi Chemical Industries, Ltd., Kyoritsu Yuki Co., Ltd.Inventors: Katsutoshi Tanaka, Hisao Takeda, Mutsumi Kawano, Isao Miyahara
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Patent number: 4154910Abstract: Concentrated aqueous solution of acrylamide or mixture of acrylamide and other vinyl monomer is polymerized in the presence of catalyst, and the polymerization solution is to be boiled by heat of polymerization in the course of polymerization.Obtained hydrous gels of acrylamide polymers are porous, water soluble and are easily dehydrated by conventional dehydration techniques.Type: GrantFiled: May 10, 1977Date of Patent: May 15, 1979Assignees: Kyoritsu Yuki Co., Ltd., Mitsubishi Chemical Industries, Ltd.Inventors: Katsutoshi Tanaka, Kazuo Ikeda