Patents by Inventor Kiyoshi Ishii
Kiyoshi Ishii 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: 6511232Abstract: A number of holes (3) are formed in the outer circumferential wall (2) of a tubular metallic pipe (1) at regulator intervals in both circumferential and axial directions. Each of the holes (3) consists of a polygonal opening (4) and raised pieces (5) formed by bending the material from the peripheral edge surrounding the opening (3). This pipe may be used as an insert pipe in injection molding an article such as a lead screw, an optical fiber ferrule or the like. The raised pieces reinforce the part of the pipe surrounding each hole, and enhances the bonding between the molding material and insert pipe.Type: GrantFiled: April 20, 2000Date of Patent: January 28, 2003Assignee: Kabushiki Kaisha Act OneInventors: Kiyoshi Ishii, Akira Kato
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Publication number: 20020135893Abstract: There is disclosed an optical pick-up which allows a lens to be supported at high dimensional accuracy for a high-density recording medium, and suppresses resonance for a high-speed access. Also, there is disclosed a lens holder comprising a bearing part formed vertically to a lens receiving surface with an excellent inner diameter roundness and excellent mechanical strength.Type: ApplicationFiled: December 20, 2001Publication date: September 26, 2002Inventors: Kazuo Hirose, Takumi Hayashi, Kiyoshi Ishii
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Patent number: 6189180Abstract: A suction tool for an electric vacuum cleaner includes: a suction tool body which is connected to the vacuum cleaner body and has a suction inflow passage therein for conducting a suction air stream from a suction port, to the vacuum cleaner body; and a movable brush which is provided inside the suction inflow passage formed in the suction tool body and is driven by a driver device. In this tool, the movable brush sways and reciprocates back and forth about a support shaft, perpendicular to the direction of the suction inflow stream. Alternatively, the tool may have a linear motor which operates so as to reciprocate a rod which is liked at one end of it with oscillatory plate pivoted inside the suction tool. Further, this movable brush may be formed of a unit which is composed of a sweeping member having a pair of front and rear sweeping parts and a moving brushing part embedded in between, wherein the front sweeping part is shorter than the rear sweeping part.Type: GrantFiled: March 12, 1999Date of Patent: February 20, 2001Assignee: Sharp Kabushiki KaishaInventors: Shigenori Hato, Mikio Yagi, Noriaki Miyoshi, Kiyoshi Ishii, Yuji Ohnishi
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Patent number: 6107465Abstract: A homogeneous interleukin 1.beta. (IL-1.beta.), its derivative having a modified amino acid sequence of IL-1.beta., a gene coding for said derivative, medical composition comprising said derivative as a pharmaceutically effective component and a medicinal use of homogeneous IL-1.beta. and the derivative.Type: GrantFiled: March 10, 1987Date of Patent: August 22, 2000Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
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Patent number: 5941213Abstract: A control system for an internal combustion engine includes a heat flux sensor arranged in the combustion chamber of the engine, for detecting the heat flux within the combustion chamber. An ECU controls at least one of the amount of fuel supplied to the engine, the fuel injection timing, and the ignition timing of the engine according to operating conditions of the engine. The heat flux sensor detects the heat flux at timing within a range from the latter half of the exhaust stroke of each of the cylinders of the combustion cycle of the engine to the first half of the compression stroke of the following combustion cycle. At least one of the amount of fuel, the fuel injection timing, and the ignition timing is corrected based on the detected heat flux in the same stroke as the compression stroke of the following combustion cycle in which the heat flux has been detected.Type: GrantFiled: August 27, 1997Date of Patent: August 24, 1999Assignee: Honda Giken Kogyo Kabushiki KaishaInventors: Kiyoshi Ishii, Takashi Sasaki, Yasuhiro Urata, Kazuo Yoshida
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Patent number: 5901411Abstract: A suction tool for an electric vacuum cleaner includes: a suction tool body which is connected to the vacuum cleaner body and has a suction inflow passage therein for conducting a suction air stream from a suction port, to the vacuum cleaner body; and a movable brush which is provided inside the suction inflow passage formed in the suction tool body and is driven by a driver device. In this tool, the movable brush sways and reciprocates back and forth about a support shaft, perpendicular to the direction of the suction inflow stream. Alternatively, the tool may have a linear motor which operates so as to reciprocate a rod which is liked at one end of it with oscillatory plate pivoted inside the suction tool. Further, this movable brush may be formed of a unit which is composed of a sweeping member having a pair of front and rear sweeping parts and a moving brushing part embedded in between, wherein the front sweeping part is shorter than the rear sweeping part.Type: GrantFiled: December 31, 1996Date of Patent: May 11, 1999Assignee: Sharp Kabushiki KaishaInventors: Shigenori Hato, Mikio Yagi, Noriaki Miyoshi, Kiyoshi Ishii, Yuji Ohnishi
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Patent number: 5847098Abstract: A homogeneous interleukin 1.beta. (IL-1.beta.), its derivative having a modified amino acid sequence of IL-1.beta., a gene coding for said derivative, medical composition comprising said derivative as a pharmaceutically effective component and a medicinal use of homogeneous IL-1.beta. and the derivative.Type: GrantFiled: June 7, 1995Date of Patent: December 8, 1998Assignee: Otsuka Pharmaceutcal Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
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Patent number: 5702698Abstract: Methods are disclosed for promoting production of colony stimulating factor and inhibiting growth of Meth A tumor cells comprising administering a pharmaceutically effective amount of modified IL-1.alpha. to a subject.Type: GrantFiled: June 5, 1995Date of Patent: December 30, 1997Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
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Patent number: 5672365Abstract: To reduce the need for manual work, improve productivity and reduce the fabrication cost in the method for molding a lead screw for converting a rotational movement into a linear movement, there are provided a method and a die assembly which may involve the steps of forming a plurality of holes in a wall of a tube in a spiral arrangement, preparing a metallic die assembly provided with a cavity defining a thread groove adapted to form the thread crest matching in position with an array of the holes, placing the tube in the cavity, and injecting synthetic resin material into the cavity so that the synthetic resin material may flow in two separate flows, one flowing inside the core tube, and the other flowing along the outer surface of the core tube. The thread crest is connected to the synthetic resin material filled in the core tube, and can be securely attached to the core tube. Optionally, an annular rotor may be fitted onto the base end portion of the lead screw.Type: GrantFiled: September 13, 1995Date of Patent: September 30, 1997Assignees: Kabushiki Kaisha Mold Gijutsu Kenkyusho, Minebea Co., Ltd.Inventors: Kiyoshi Ishii, Mizuho Ishikawa
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Patent number: 5543140Abstract: Methods for stimulating immunity, inhibiting tumor growth, promoting production of a cytokine, and preventing or inhibiting radiation injury by administration of Interleukin-1.alpha. (IL-1.alpha.) derivatives, are disclosed.Type: GrantFiled: June 1, 1994Date of Patent: August 6, 1996Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
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Patent number: 5533247Abstract: To reduce the need for manual work, improve productivity and reduce the fabrication cost in the method for molding a lead screw for converting a rotational movement into a linear movement, there are provided a method and a die assembly which may involve the steps of forming a plurality of holes in a wall of a tube in a spiral arrangement, preparing a metallic die assembly provided with a cavity defining a thread groove adapted to form the thread crest matching in position with an array of the holes, placing the tube in the cavity, and injecting synthetic resin material into the cavity so that the synthetic resin material may flow in two separate flows, one flowing inside the core tube, and the other flowing along the outer surface of the core tube. The thread crest is connected to the synthetic resin material filled in the core tube, and can be securely attached to the core tube. Optionally, an annular rotor may be fitted onto the base end portion of the lead screw.Type: GrantFiled: September 14, 1994Date of Patent: July 9, 1996Assignees: Kabushiki Kaisha Mold Gijutsu Kenkyusho, Minebea Co., Ltd.Inventors: Kiyoshi Ishii, Mizuho Ishikawa
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Patent number: 5371204Abstract: An interleukin-1.alpha. (IL-1.alpha.) derivative having a modified amino acid sequence of IL-1.alpha., a gene coding for said derivative, medicinal composition comprising said derivative as a pharmaceutically effective component and a medicinal use of homogeneous IL-1.alpha..Type: GrantFiled: January 22, 1991Date of Patent: December 6, 1994Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
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Patent number: 5275725Abstract: The present invention provides a flat separation membrane leaf, which is characterized by consisting of a flat membrane support comprising an inner layer having a coarse structure and surface layers comprising a nonwoven fabrics having a dense structure, wherein the surface layers are integrated with the inner layer interposed between them, and semipermeable membranes covering both sides of the support in such a manner that the semipermeable membranes penetrates into the openings of the nonwoven fabrics of the surfaces of the support to combine the semipermeable membranes with the surfaces of the support. The invention provides also a flat separation membrane element which comprises, as the essential component, the above-described flat separation membrane leaf.Type: GrantFiled: August 26, 1992Date of Patent: January 4, 1994Assignee: Daicel Chemical Industries, Ltd.Inventors: Kiyoshi Ishii, Yoshitada Matsumoto
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Patent number: 5008374Abstract: An interleukin-1.alpha. (IL-1.alpha.) derivative having a modified amino acid sequence of IL-1.alpha., a gene coding for said derivative, medicinal composition comprising said derivative as a pharmaceutically effective component and a medicinal use of homogeneous IL-1.alpha..Type: GrantFiled: March 9, 1987Date of Patent: April 16, 1991Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
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Patent number: 4898818Abstract: This invention provides an antitumor active substance GIF, a process for preparing the same, an antitumor composition containing the substance, a gene coding for GIF, a vector containing the gene and a recombinant microorganism, the substance GIF comprises as its component protein polypeptide A of the following primary structure. ##STR1## wherein X is Cys or Ser and Z is H or a peptide represented by the amino acid sequence ##STR2## or a peptide having the above sequence wherein at least one amino acid is removed from the N terminal or an amino acid.Type: GrantFiled: December 19, 1985Date of Patent: February 6, 1990Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Satoru Nakai, Mayumi Kaneta, Yoshikazu Kikumoto, Yeong-Man Hong, Kazuyoshi Kawai, Setsuko Takegata, Kiyoshi Ishii, Yasuo Yanagihara, Yoshikatsu Hirai
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Patent number: 4882277Abstract: Organic acids are prepared by fermentation and then separated from the fermentation broth by means of an electrodialysis.The present process does not require an addition of an alkali. The organic acids are recovered as free acids with high purity and at high yields.Type: GrantFiled: December 19, 1986Date of Patent: November 21, 1989Assignee: Huls AktiengesellschaftInventors: Michael Czytko, Kiyoshi Ishii, Kimitoshi Kawai
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Patent number: 4723044Abstract: A process for producing a dibromonitro compound represented by the general formula ##STR1## wherein R represents a hydrogen atom or a methyl group, which comprises condensing nitromethane with formaldehyde or acetaldehyde in the presence of an alkali, the amount of the aldehyde being at least 1.5 moles per mole of nitromethane; and thereafter without isolating the product, treating the reaction mixture with bromine to brominate the product.Type: GrantFiled: June 13, 1986Date of Patent: February 2, 1988Assignee: Permachem Asia, Ltd.Inventors: Michio Watanabe, Kiyoshi Ishii, Mie Namiki, Takeshi Fukuda
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Patent number: 4704205Abstract: A tubular module employed for the separation, purification, concentration, etc., of a solution has a plurality of porous support tubes each containing semipermeable membranes which are arranged parallel in a plurality of stages, and which are fixed at both ends thereof by heads containing return bends so as to connect the porous support tubes into zigzags, and are also tightly fastened together by the centers of the heads by means of a single stay bolt. This tubular membrane module is characterized in that the end of the stay bolt does not extend through the head which is remote from the bolt, but ends within that head, and the return bends within the center of the head are bored so as to be further out than the end of the stay bolt to provide communication between the central tubes, so that the solution in the porous support tubes can be easily removed with no partial vacuum generated therein.Type: GrantFiled: April 18, 1986Date of Patent: November 3, 1987Assignee: Daicel Chemical Industries, Ltd.Inventor: Kiyoshi Ishii
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Patent number: 4617034Abstract: An electric cleaner incorporates an effective noise suppression arrangement for minimizing the noise generated by the exhaust from the electric air blower. The present invention provides an electric cleaner comprising an air rectifying duct installed on its external surfaces so that the exhaust from the electric air blower can smoothly and quietly pass through it, while the noise emitted by the exhaust can be significantly minimized throughout the vacuum cleaning operation even when using a compact cleaner.Type: GrantFiled: January 31, 1985Date of Patent: October 14, 1986Assignee: Sharp Kabushiki KaishaInventors: Katsuji Ikezaki, Kiyoshi Ishii
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Patent number: 4592764Abstract: A body of a vacuum cleaner comprising three subassemblies, i.e., a front subassembly, a central subassembly, and a rear subassembly. The front subassembly stores the matter drawn through a suction port formed in a suitable position. The central subassembly can be connected and disconnected with the front subassembly and has an evacuating device therein. The rear subassembly is connected to the central subassembly by coupling members and acts to cover the back side of the evacuating device incorporated in the central subassembly.Type: GrantFiled: April 10, 1984Date of Patent: June 3, 1986Assignee: Sharp Kabushiki KaishaInventors: Katuzi Ikezaki, Kiyoshi Ishii