Patents by Inventor Kenji Minami
Kenji Minami 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: 20240096377Abstract: According to one embodiment, a disk device includes a housing, magnetic disks in the housing, and a printed circuit board attached to an outer surface of a bottom wall of the housing. The housing includes a base including a bottom wall and a side wall, and at least two base-side positioning portions provided on the bottom wall in a region overlapping the side wall. The printed circuit board includes at least two board-side positioning portions each engaged with the base-side positioning portion. One of the base-side positioning portion and the board-side positioning portion includes a pin extending substantially perpendicular to the bottom wall, and another includes a hole into which the pin is fitted.Type: ApplicationFiled: March 13, 2023Publication date: March 21, 2024Inventors: Hiroshi Minami, Shigeru Juman, Kouichi Toukairin, Yasuhiko Kato, Hirofumi Kuribara, Kenji Mizuochi
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Patent number: 10501643Abstract: Provided are an aerosol coating composition excellent in a matte effect and capable of preventing co-rotation from occurring. The aerosol coating composition contains a modified alkyd resin, inorganic microparticles and an organic solvent. Herein, the modified alkyd resin is a non-aqueous dispersion resin which is a copolymer of a vinyl based monomer and an alkyd resin. The inorganic microparticles are made of one selected from silica, titanium oxide, zinc oxide, alumina, calcium carbonate, talc and clay or the like. The inorganic microparticles have a mean particle diameter of 1.0 to 10.0 ?m, and a content of 0.1 to 5 mass %. There is also provided a metallic mechanical part coated with the aerosol coating composition.Type: GrantFiled: December 2, 2015Date of Patent: December 10, 2019Assignee: NHK SPRING CO., LTD.Inventors: Kenji Minami, Yasutaka Furuta, Yuki Ogami
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Patent number: 9966282Abstract: According to one embodiment, a substrate processing apparatus includes a first liquid supplier, a second liquid supplier, and a controller. The first liquid supplier supplies a substrate with a sulfuric acid solution having a first temperature equal to or higher than the boiling point of hydrogen peroxide water. The second liquid supplier supplies a surface to be treated of the substrate with a mixture of sulfuric acid solution and hydrogen peroxide water having a second temperature lower than the first temperature. The controller controls the first liquid supplier to supply the sulfuric acid solution so as to heat the substrate to the boiling point of hydrogen peroxide water or higher. When the temperature of the substrate becomes equal to or higher than the second temperature, the controller controls the first liquid supplier to stop supplying the sulfuric acid solution and controls the second liquid supplier to supply the mixture.Type: GrantFiled: September 28, 2015Date of Patent: May 8, 2018Assignee: SHIBAURA MECHATRONICS CORPORATIONInventors: Kunihiro Miyazaki, Kenji Minami, Yuji Nagashima, Konosuke Hayashi
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Publication number: 20170321063Abstract: Provided are an aerosol coating composition excellent in a matte effect and capable of preventing co-rotation from occurring. The aerosol coating composition contains a modified alkyd resin, inorganic microparticles and an organic solvent. Herein, the modified alkyd resin is a non-aqueous dispersion resin which is a copolymer of a vinyl based monomer and an alkyd resin. The inorganic microparticles are made of one selected from silica, titanium oxide, zinc oxide, alumina, calcium carbonate, talc and clay or the like. The inorganic microparticles have a mean particle diameter of 1.0 to 10.0 ?m, and a content of 0.1 to 5 mass %. There is also provided a metallic mechanical part coated with the aerosol coating composition.Type: ApplicationFiled: December 2, 2015Publication date: November 9, 2017Inventors: Kenji MINAMI, Yasutaka FURUTA, Yuki OGAMI
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Publication number: 20160093486Abstract: According to one embodiment, a substrate processing apparatus includes a first liquid supplier, a second liquid supplier, and a controller. The first liquid supplier supplies a substrate with a sulfuric acid solution having a first temperature equal to or higher than the boiling point of hydrogen peroxide water. The second liquid supplier supplies a surface to be treated of the substrate with a mixture of sulfuric acid solution and hydrogen peroxide water having a second temperature lower than the first temperature. The controller controls the first liquid supplier to supply the sulfuric acid solution so as to heat the substrate to the boiling point of hydrogen peroxide water or higher. When the temperature of the substrate becomes equal to or higher than the second temperature, the controller controls the first liquid supplier to stop supplying the sulfuric acid solution and controls the second liquid supplier to supply the mixture.Type: ApplicationFiled: September 28, 2015Publication date: March 31, 2016Applicant: SHIBAURA MECHATRONICS CORPORATIONInventors: Kunihiro MIYAZAKI, Kenji MINAMI, Yuji NAGASHIMA, Konosuke HAYASHI
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Patent number: 7449608Abstract: The present invention provides a novel naphthol derivative represented by the following general formula (I). The novel naphthol derivative of the present invention is useful as a positively electrifiable charge control agent. The present invention further provides an electrophotographic toner comprising a charge control agent comprising the novel naphthol derivative represented by formula (I).Type: GrantFiled: December 10, 2002Date of Patent: November 11, 2008Assignee: Ueno Fine Chemicals Industry, Ltd.Inventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Nobuhiro Yonetani
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Patent number: 7169523Abstract: The present invention provides a safe charge control agent which exhibits an excellent negative chargeability and excellent dispersibility in and compatibility with binder resins, and is even applicable for col or toners. Specifically, the charge control agent consists of a naphthol derivative of formula [I]: and a salt thereof, and an electrophotographic toner comprising the agent are provided.Type: GrantFiled: April 18, 2003Date of Patent: January 30, 2007Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo KenkyujoInventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Nobuhiro Yonetani
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Patent number: 7074536Abstract: The present invention provides an alkylenebisnaphthol derivative represented by formula [I]: and a salt thereof. The compound of the present invention has an excellent triboelectric charge property and useful as charge control agent for electrophotographic toners.Type: GrantFiled: July 30, 2002Date of Patent: July 11, 2006Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo KenkyujoInventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Nobuhiro Yonetani
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Publication number: 20050221873Abstract: A portable terminal device in which a case body performs sliding movement has had a problem that a groove may be exposed to the exterior when the case body is opened to a full extent of sliding amount, which will deteriorate grade of the portable terminal device and sealing ability of the case body, permitting dust or the like to enter the cases. In the portable terminal device according to the present invention in which a front side case is adapted to slide with respect to a back side case, a protruding member in a substantially T-shape in cross section is provided on the front side case, and a guide groove frame is provided on the back side case so as to enclose the protruding member, and a track along which the protruding member is adapted to move is defined in the guide groove frame.Type: ApplicationFiled: April 18, 2003Publication date: October 6, 2005Inventors: Yoshiaki Kameyama, Kenji Minami, Fumio Hashimoto
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Publication number: 20050147909Abstract: The present invention provides a safe charge control agent which exhibits an excellent negative chargeability and excellent dispersibility in and compatibility with binder resins, and is even applicable for col or toners. Specifically, the charge control agent consists of a naphthol derivative of formula [I]: and a salt thereof, and an electrophotographic toner comprising the agent are provided.Type: ApplicationFiled: April 18, 2003Publication date: July 7, 2005Inventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Nobuhiro Yonetani
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Publication number: 20050119487Abstract: The present invention provides a novel naphthol derivative represented by the following general formula (I). The novel naphthol derivative of the present invention is useful as a positively electrifiable charge control agent. The present invention further provides an electrophotographic toner comprising a charge control agent comprising the novel naphthol derivative represented by formula (I).Type: ApplicationFiled: December 10, 2002Publication date: June 2, 2005Applicant: KABUSHIKI KAISHA UENO SEIYAKU OYO KENKYUJOInventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Nobuhiro Yonetani
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Patent number: 6891072Abstract: The present invention provides a method for preparing dimer of a monohydroxy aromatic compound. In the method of the present invention, oxidative coupling reaction of a monohydroxy aromatic compound represented by formula [I]: Ar—OH??[I] wherein Ar represents an optionally substituted aromatic group is carried out in a nitrogen containing polar solvent in the presence of a copper salt. By the method of the instant invention, dimer of the monohydroxy aromatic compound can be obtained in high yield.Type: GrantFiled: April 18, 2002Date of Patent: May 10, 2005Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo KenkyujoInventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Hikari Hirai
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Patent number: 6849742Abstract: The present invention provides a binaphthol compound represented by formula [1]: and a salt thereof. The binaphthol compound of the present invention is useful for manufacturing antiseptic compounds or chiral catalysts. According to the method of the present invention, binaphthol compounds can be prepared in high yield with low cost.Type: GrantFiled: April 18, 2002Date of Patent: February 1, 2005Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo KenkyujoInventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori
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Patent number: 6846439Abstract: This invention, with the object of producing a porous polymer from a water-in-oil type high internal phase emulsion, provides a method for the production of a porous polymer comprising a step of applying a physical treatment such asshaving to the surface of a porous polymer obtained by polymerizing the emulsion. By the physical treatment, it is made possible to diminish the difference in texture between the surface part and the inner part of the porous polymer and improve efficiently the absorption property of the porous polymer.Type: GrantFiled: September 12, 2001Date of Patent: January 25, 2005Assignee: Nippon Shokubai Co., Ltd.Inventors: Kenji Kadonaga, Kenji Minami
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Publication number: 20040248026Abstract: The present invention provides an alkylenebisnaphthol derivative represented by formula [I]: 1Type: ApplicationFiled: July 12, 2004Publication date: December 9, 2004Inventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Nobuhiro Yonetani
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Patent number: 6797735Abstract: A method of production is provided which is capable of efficiently producing in a very short period of time a porous polymer possessing a uniform foam structure and truly excelling in absorption properties and physical properties. It is a method for the production of a porous polymer, characterized by comprising (a) an emulsifying step for forming a water-in-oil type high internal phase emulsion (HIPE) by mixing and stirring an oil phase containing a polymerizing monomer component and a surfactant as essential components, (b) a shaping step for shaping the HIPE in a specific form, and (c) a polymerizing step for polymerizing the shaped HIPE and controlling the temperatures of the emulsion at the component steps (a)-(c) so that they may not produce a change exceeding 10° C. or controlling all the component steps so that they may proceed at temperatures of not lower than 80° C.Type: GrantFiled: January 3, 2003Date of Patent: September 28, 2004Assignee: Nippon Shokubai Co., Ltd.Inventors: Kinya Nagasuna, Kenji Kadonaga, Hirotama Fujimaru, Kozo Nogi, Kenji Minami
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Publication number: 20040143141Abstract: The present invention provides a method for preparing dimer of a monohydroxy aromatic compound.Type: ApplicationFiled: June 6, 2003Publication date: July 22, 2004Inventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori, Hikari Hirai
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Publication number: 20040063963Abstract: The present invention provides a binaphthol compound represented by formula [1]: 1Type: ApplicationFiled: July 1, 2003Publication date: April 1, 2004Inventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori
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Publication number: 20040002555Abstract: A method of production is provided which is capable of efficiently producing in a very short period of time a porous polymer possessing a uniform foam structure and truly excelling in absorption properties and physical properties. It is a method for the production of a porous polymer, characterized by comprising (a) an emulsifying step for forming a water-in-oil type high internal phase emulsion (HIPE) by mixing and stirring an oil phase containing a polymerizing monomer component and a surfactant as essential components, (b) a shaping step for shaping the HIPE in a specific form, and (c) a polymerizing step for polymerizing the shaped HIPE and controlling the temperatures of the emulsion at the component steps (a)-(c) so that they may not produce a change exceeding 10° C. or controlling all the component steps so that they may proceed at temperatures of not lower than 80° C.Type: ApplicationFiled: January 3, 2003Publication date: January 1, 2004Inventors: Kinya Nagasuna, Kenji Kadonaga, Hirotama Fujimaru, Kozo Nogi, Kenji Minami
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Patent number: 6639092Abstract: Novel metal salts of binaphthol derivative are provided. The metal salts of the present invention are those represented by the formula of either (1) or (2): The present invention also provides a method for preparing the same from the corresponding binaphthalene derivative.Type: GrantFiled: March 27, 2002Date of Patent: October 28, 2003Assignee: Kabushiki Kaisha Ueno Seiyaku Oyo KenkyujoInventors: Ryuzo Ueno, Masaya Kitayama, Kenji Minami, Hiroyuki Wakamori