Patents by Inventor Kazuo Igarashi
Kazuo Igarashi 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: 11932770Abstract: A method for producing a resin sintered body 1 by applying an ink 3 to thermoplastic resin powder 2 and sintering the powder, the method including the step of immersing an intermediate resin sintered body 1m, which has an unevenly colored region on the surface thereof and the whole of which has been already sintered, in a surface treatment liquid containing sulfuric acid and chromic anhydride, in which the concentration of chromic anhydride is 300 g/L or more, for 5 minutes or longer. When producing a resin sintered body by sintering thermoplastic resin powder, the surface of the resin sintered body can be evenly and sufficiently colored to an extent required without an unevenly colored region on the surface thereof, and also the surface of the resin sintered body can have a good appearance and smoothness.Type: GrantFiled: March 14, 2022Date of Patent: March 19, 2024Assignees: SANKEI GIKEN KOGYO CO., LTD., HONDA MOTOR CO., LTD., SOLIZE CORPORATIONInventors: Daisuke Sato, Kazuo Igarashi, Hiroyuki Ikeno, Satoru Nishimoto, Takashi Inomata, Ryota Masuda, Kohei Mutai
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Patent number: 11923177Abstract: A plasma processing apparatus includes: a processing container having a vertical tubular shape and an opening formed in a side wall of the processing container, the processing container configured to accommodate a plurality of substrates in multiple stages; a plasma partition wall airtightly provided on an outer wall of the processing container and configured to cover the opening and define a plasma generation space; a plasma electrode provided along the plasma partition wall; and a processing gas supplier provided outside the plasma generation space and configured to supply a plasma generation gas.Type: GrantFiled: July 6, 2021Date of Patent: March 5, 2024Assignee: TOKYO ELECTRON LIMITEDInventors: Keiji Tabuki, Yamato Tonegawa, Kazumasa Igarashi, Kazuo Yabe
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Publication number: 20230302726Abstract: A method of manufacturing a resin formed product having a leather grain includes: a 3D printing step of inputting printing data to a 3D printer, and printing an intermediate product having an intermediate grain that is a base of the leather grain; and a post processing step of obtaining the resin formed product, which is a finished product, by carrying out post processing on the intermediate product printed in the 3D printing step. A grain height in input data, which is the printing data inputted in the 3D printing step, is greater than or equal to 120% of a stacking pitch in the 3D printing step.Type: ApplicationFiled: March 24, 2023Publication date: September 28, 2023Inventors: Ryota MASUDA, Kohei MUTAI, Hajime KAWAMURA, Hiroyuki IKENO, Kazuo IGARASHI, Satoru NISHIMOTO
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Publication number: 20220298370Abstract: A method for producing a resin sintered body 1 by applying an ink 3 to thermoplastic resin powder 2 and sintering the powder, the method including the step of immersing an intermediate resin sintered body 1m, which has an unevenly colored region on the surface thereof and the whole of which has been already sintered, in a surface treatment liquid containing sulfuric acid and chromic anhydride, in which the concentration of chromic anhydride is 300 g/L or more, for 5 minutes or longer. When producing a resin sintered body by sintering thermoplastic resin powder, the surface of the resin sintered body can be evenly and sufficiently colored to an extent required without an unevenly colored region on the surface thereof, and also the surface of the resin sintered body can have a good appearance and smoothness.Type: ApplicationFiled: March 14, 2022Publication date: September 22, 2022Applicants: SANKEI GIKEN KOGYO CO., LTD., Honda Motor Co., Ltd., SOLIZE CorporationInventors: Daisuke Sato, Kazuo Igarashi, Hiroyuki Ikeno, Satoru Nishimoto, Takashi Inomata, Ryota Masuda, Kohei Mutai
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Publication number: 20190224740Abstract: A forging device produces a forged product in which a protrusion is formed on a base plate. The forging device has a die with a molding hole and a punch to be driven into the molding hole. A protrusion molding cavity is formed in a bottom surface of the molding hole or a tip end surface of the punch in the die. A base plate molding portion is formed between the tip end surface of the punch and the bottom surface of the molding hole. A burr molding portion is formed between the tip end portion outer peripheral side surface of the punch and the inner peripheral side surface of the molding hole. The inner peripheral side surface of the molding hole is formed by an inclined surface that approaches an axis as it advances toward the pressing direction of the punch.Type: ApplicationFiled: April 21, 2017Publication date: July 25, 2019Applicant: SHOWA DENKO K.K.Inventor: Kazuo IGARASHI
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Patent number: 9555505Abstract: The present invention is directed to a forging method for forming a heat sink 9 including a base board 91 and a plurality of pin fins 92 integrally formed on an upper surface of the base board 91. A back pressure applying pin 75 of a forging die for forming pin fins 92 are slidably arranged in a fin-forming hole 52. At the time of plastically deforming a forging blank W, a back pressure is applied by the back pressure applying pin to a metal material of the forging blank W flowed into the fin-forming hole 52. A concave portion 76 is formed on the restraining tip end face of the back pressure applying pin 75 for restraining the metal material, and a joining convex portion 93 is integrally formed on a tip end of the pin fin 92 by the metal material filled in the concave portion 76.Type: GrantFiled: February 28, 2012Date of Patent: January 31, 2017Assignee: SHOWA DENKO K.K.Inventors: Sadao Kokubo, Kazuo Igarashi
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Publication number: 20140054023Abstract: The present invention is directed to a forging method for forming a heat sink 9 including a base board 91 and a plurality of pin fins 92 integrally formed on an upper surface of the base board 91. A back pressure applying pin 75 of a forging die for forming pin fins 92 are slidably arranged in a fin-forming hole 52. At the time of plastically deforming a forging blank W, a back pressure is applied by the back pressure applying pin to a metal material of the forging blank W flowed into the fin-forming hole 52. A concave portion 76 is formed on the restraining tip end face of the back pressure applying pin 75 for restraining the metal material, and a joining convex portion 93 is integrally formed on a tip end of the pin fin 92 by the metal material filled in the concave portion 76.Type: ApplicationFiled: February 28, 2012Publication date: February 27, 2014Applicant: SHOWA DENKO K.K.Inventors: Sadao Kokubo, Kazuo Igarashi
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Publication number: 20100189906Abstract: A three-coat one-bake type coating process for forming a multilayer coating film which attains high efficiency and brings about an excellent finished appearance. A three-coat one-bake type coating process includes applying an intermediate coating material, applying a finish base coating material, applying a clear topcoating material, and drying, wherein a two-package type coating material containing an isocyanate compound as the crosslinking agent is used as the intermediate coating material, whereby the surface fluidity of the intermediate coating is improved to make the coating surface smooth and the mixing of the intermediate coating with an upper layer and/or the volume shrinkage of the intermediate coating due to the component eliminated by curing are inhibited to give coated members having an excellent finished appearance.Type: ApplicationFiled: September 3, 2007Publication date: July 29, 2010Applicant: HONDA MOTOR CO., LTD.Inventors: Yasuhiro Kume, Masaki Takahashi, Satoru Shiratori, Shinji Noda, Makoto Takayanagi, Tatsuo Minami, Yoshiharu Komatsu, Daisuke Nakazono, Kazuo Igarashi, Satoru Ihara
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Patent number: 7338985Abstract: A rustproofing composition has superior properties satisfying rustproofing quality requirements and workability requirements for car underbodies, parts around tires, parts with pockets, plate-bonded parts or the like of car bodies, and containing volatile organic solvent of 20 mass % or less. In a rustproofing composition containing UV curable resin and photopolymerizing initiator and at least one of rustproofing oil and rustproofing wax, the content of nonvolatile component at 105° C. for 3 hours in the rustproofing oil and rustproofing wax is 80 mass % or more, the UV curable resin and photopolymerizing initiator are dissolved or dispersed in the rustproofing oil and rustproofing wax, and the UV curable resin is contained at 0.3 to 10 weight % to the total weight of the composition.Type: GrantFiled: August 30, 2005Date of Patent: March 4, 2008Assignees: Honda Motor Co., Ltd., Parker Industries, Inc.Inventors: Takahide Maeda, Toshiya Nishino, Yoichiro Inaba, Kazuo Igarashi, Noriharu Tanaka, Kazuhiko Maesori, Takeshi Masuda
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Publication number: 20060047038Abstract: A rustproofing composition has superior properties satisfying rustproofing quality requirements and workability requirements for car underbodies, parts around tires, parts with pockets, plate-bonded parts or the like of car bodies, and containing volatile organic solvent of 20 mass % or less. In a rustproofing composition containing UV curable resin and photopolymerizing initiator and at least one of rustproofing oil and rustproofing wax, the content of nonvolatile component at 105° C. for 3 hours in the rustproofing oil and rustproofing wax is 80 mass % or more, the UV curable resin and photopolymerizing initiator are dissolved or dispersed in the rustproofing oil and rustproofing wax, and the UV curable resin is contained at 0.3 to 10 weight % to the total weight of the composition.Type: ApplicationFiled: August 30, 2005Publication date: March 2, 2006Inventors: Takahide Maeda, Toshiya Nishino, Yoichiro Inaba, Kazuo Igarashi, Noriharu Tanaka, Kazuhiko Maesori, Takeshi Masuda
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Publication number: 20050222324Abstract: The present invention provides: an aqueous primer coating composition, which can form a coating film excellent in the humidity-resisting adhesion and the gasohol resistance, and which can enhance the productivity in the coating steps; a process for formation of a coating film using this composition; and a coated article. The aqueous primer coating composition comprises an acid-anhydride-modified chlorinated polyolefin emulsion resin (A), an aqueous urethane dispersion (B), an aqueous epoxy resin (C), and an organic strong base and/or its salt (D); wherein: relative to the total nonvolatile content of the (A), (B), and (C), the nonvolatile content of the (A) is in the range of 20 to 60 weight %, that of the (B) is in the range of 10 to 40 weight %, and that of the (C) is in the range of 20 to 60 weight %, and further, the (D) is in the range of 1 to 5 weight %.Type: ApplicationFiled: June 12, 2005Publication date: October 6, 2005Inventors: Ryoichi Nakaoka, Takeshi Nakagawa, Yutaro Kawasaki, Katsumi Mizuguchi, Takeshi Ogawa, Takashi Yamamoto, Kazuo Igarashi
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Publication number: 20030212191Abstract: The present invention provides: an aqueous primer coating composition, which can form a coating film excellent in the humidity-resisting adhesion and the gasohol resistance, and which can enhance the productivity in the coating steps; a process for formation of a coating film using this composition; and a coated article. The aqueous primer coating composition comprises an acid-anhydride-modified chlorinated polyolefin emulsion resin (A), an aqueous urethane dispersion (B), an aqueous epoxy resin (C), and an organic strong base and/or its salt (D); wherein: relative to the total nonvolatile content of the (A), (B), and (C), the nonvolatile content of the (A) is in the range of 20 to 60 weight %, that of the (B) is in the range of 10 to 40 weight %, and that of the (C) is in the range of 20 to 60 weight %, and further, the (D) is in the range of 1 to 5 weight %.Type: ApplicationFiled: April 8, 2003Publication date: November 13, 2003Applicants: Nippon Bee Chemical Co., Ltd., Honda Giken Kogyo Kabushiki KaishaInventors: Ryoichi Nakaoka, Takeshi Nakagawa, Yutaro Kawasaki, Katsumi Mizuguchi, Takeshi Ogawa, Takashi Yamamoto, Kazuo Igarashi
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Patent number: 6527840Abstract: A silver alloy plating bath and a method of forming a silver alloy film by using the silver alloy plating bath and by performing displacement plating on surfaces of a more base metal than silver, the silver alloy plating bath including Ag ions and at least one or more metal ions of Pd ions, Pt ions, Au ions and Rh ions, a concentration of the Ag ions and the metal ion or ions being 0.001 to 0.01 mol/l, a mol ratio of the metal ion or ions to the Ag ions being 1:0.01 to 0.1.Type: GrantFiled: January 19, 2000Date of Patent: March 4, 2003Assignee: Shipley Company, L.L.C.Inventors: Kazuo Igarashi, Koji Hinomiya, Takashi Kanda
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Patent number: 6479163Abstract: The water base adhesion promotor for polypropylene comprises: a grafted polypropylene chloride, which includes a polypropylene chloride moiety and a maleic anhydride moiety as bonded thereto, and which has a chlorine content of 15˜25 weight % and a maleic anhydride moiety content of 1˜5 weight %; an amine-neutralized water-soluble resin; a wettability-improving agent; and water; and is characterized by having: a combination ratio of 25˜90 weight % as of the grafted polypropylene chloride to the total of the grafted polypropylene chloride and the amine-neutralized water-soluble resin; a combination ratio of 2.5˜6.0 weight % as of the wettability-improving agent to the entirety of the promotor; and a solid content of 2˜10 weight % of the entirety of the promotor.Type: GrantFiled: June 24, 2001Date of Patent: November 12, 2002Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Shinnosuke Kawano, Yasunori Komatsu, Kazuo Igarashi, Michael Scott Wiseman, Sawako Kamei, Laura McBride
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Patent number: 6447844Abstract: The water base adhesion promotos for polypropylene comprises: a grafted polypropylene chloride, which includes a polypropylene chloride moiety and a maleic anhydride moiety as bonded thereto, and which has a chlorine content of 15˜25 weight % and a maleic anhydride moiety content of 1˜5 weight %; an amine-neutralized water-soluble resin; a wettability-improving agent; and water; and is characterized by having: a combination ratio of 25˜90 weight % as of the grafted polypropylene chloride to the total of the grafted polypopylene chloride and the amine-neutralized water-soluble resin; a combination ratio of 2.5˜6.0 weight % as of the wettability-improving agent to the entirety of the promotor; and a solid content of 2˜10 weight % of the entirety of the promotor.Type: GrantFiled: February 9, 2000Date of Patent: September 10, 2002Assignees: Honda Giken Kogyo Kabushiki Kaisha, Honda of America Mfg., Inc.Inventors: Shinnosuke Kawano, Yasunori Komatsu, Kazuo Igarashi, Michael Scott Wiseman, Sawako Kamei, Laura McBride
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Patent number: 6333111Abstract: The present invention provides a method for producing layered aluminum fine particles, and applications to single electron tunneling quantum devices, and the present invention further relates to a method for producing spherical metallic aluminum fine particles (layered aluminum fine particles), characterized in that metallic aluminum is supplied into a mixed gas of helium and 1×10−7 to 3×10−7 torr water vapor by sputtering induced by argon gas discharge to generate aggregates, after which this product is released into a vacuum to generate single crystals in which the surface layer is covered with alumina.Type: GrantFiled: March 13, 2000Date of Patent: December 25, 2001Assignee: Agency of Industrial Science and TechnologyInventors: Junichi Murakami, Yutaka Tai, Kazuki Yoshimura, Kazuo Igarashi, Sakae Tanemura, Masahiro Goto
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Publication number: 20010049409Abstract: The water base adhesion promotor for polypropylene comprises:Type: ApplicationFiled: June 24, 2001Publication date: December 6, 2001Inventors: Shinnosuke Kawano, Yasunori Komatsu, Kazuo Igarashi, Michael Scott Wiseman, Sawako Kamei, Laura McBride
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Patent number: 6317033Abstract: The present invention is structured so as to prevent a fixing part from becoming an obstacle when fixing a coil bobbin for a horn for a vehicle to a case. The structure of the present invention is achieved by forming a tubular through hole extending toward the case opening side at a second bottom surface of the case; piercing a mounting hole through the case mounting piece of the coil bobbin; externally fitting the mounting hole over the tubular through hole; and folding the penetrating tip end of the tubular through hole tube as a folded tip portion toward the side of the hole peripheral edge of the mounting hole and engaging the penetrating tip end, as the folded tip portion, into a large hole part formed in the hole end of the mounting hole, whereby a mounting hole is fixed so as to be pinched by the second bottom surface and the folded tip portion.Type: GrantFiled: May 2, 2000Date of Patent: November 13, 2001Assignee: Mitsuba CorporationInventors: Yoshikazu Kobayashi, Kazuo Igarashi, Kiyofumi Nakayama
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Patent number: 6262160Abstract: The water base adhesion promotor for polypropylene comprises: a grafted polypropylene chloride, which includes a polypropylene chloride moiety and a maleic an-hydride moiety as bonded thereto, and which has a chlorine content of 15˜25 weight % and a maleic anhydride moiety content of 1˜5 weight %; an amine-neutralized water-soluble resin; a wettability-improving agent; and water; and is characterized by having: a combination ratio of 25˜90 weight % as of the grafted polypropylene chloride to the total of the grafted polypropylene chloride and the amine-neutralized water-soluble resin; a combination ratio of 2.5˜6.0 weight % as of the wettability-improving agent to the entirety of the promotor; and a solid content of 2˜10 weight % of the entirety of the promotor.Type: GrantFiled: February 10, 1999Date of Patent: July 17, 2001Assignees: Nippon Bee Chemical Co., LTD, Honda Giken Kabushiki KaishaInventors: Shinnosuke Kawano, Yasunori Komatsu, Kazuo Igarashi, Michael Scott Wiseman, Sawako Kamei, Laura McBride
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Patent number: D961535Type: GrantFiled: June 18, 2020Date of Patent: August 23, 2022Assignee: SHOWA DENKO K.K.Inventor: Kazuo Igarashi