Patents by Inventor Kiyoshi Ikeda

Kiyoshi Ikeda 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).

  • Publication number: 20030216486
    Abstract: This invention provides a polymer polyol composition (I) comprising a polyol (A) and polymer particles (B) dispersed in (A), the polymer particles (B) being formed by polymerizing an ethylenically unsaturated compound (b) in a polyol, wherein the content of (B) in (I) is from 35 to 75 mass %, based on the mass of (I), and the amount of soluble polymers (P) dissolved in (A) is not more than 5 mass %, based on the mass of (A), and provides methods for producing the polymer polyol composition (I). Further, this invention provides a method for producing a foamed or non-foamed polyurethane resin, which method comprises reacting a polyol component with a polyisocyanate component in the presence or absence of a blowing agent, wherein the above polymer polyol composition is used at least as a portion of the polyol component.
    Type: Application
    Filed: June 17, 2003
    Publication date: November 20, 2003
    Applicant: SANYO CHEMICAL INDUSTRIES, LTD.
    Inventors: Tetsuji Kawamoto, Tomio Kawazoe, Kiyoshi Ikeda, Munekazu Satake, Futoshi Kitatani, Tsuyoshi Tomosada, Takeshi Furuta, Takayuki Tsuji
  • Patent number: 6627140
    Abstract: A meshed etching tunnel made of aluminum is disposed inside a cylindrical quartz reactive chamber, and speaker diaphragms are aligned inside the tunnel at a certain interval. Opposing electrodes are disposed outside the reactive chamber. Plasma is applied at low temperature to prevent heat deformation. Uniform wettability is also assured by the use of the meshed etching tunnel, achieving high productivity. Uniform wettability further stabilizes bonding and improves bonding strength of the speaker diaphragm onto the voice coil and edge, offering a speaker with improved input power durability.
    Type: Grant
    Filed: May 22, 2000
    Date of Patent: September 30, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hitoshi Sato, Sinya Mizone, Kiyoshi Ikeda, Hiroko Yamazaki
  • Patent number: 6624209
    Abstract: This invention provides a polymer polyol composition (I) comprising a polyol (A) and polymer particles (B) dispersed in (A), the polymer particles (B) being formed by polymerizing an ethylenically unsaturated compound (b) in a polyol, wherein the content of (B) in (I) is from 35 to 75 mass %, based on the mass of (I), and the amount of soluble polymers (P) dissolved in (A) is not more than 5 mass %, based on the mass of (A), and provides methods for producing the polymer polyol composition (I). Further, this invention provides a method for producing a foamed or non-foamed polyurethane resin, which method comprises reacting a polyol component with a polyisocyanate component in the presence or absence of a blowing agent, wherein the above polymer polyol composition is used at least as a portion of the polyol component.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: September 23, 2003
    Assignee: Sanyo Chemical Industries, Ltd.
    Inventors: Tetsuji Kawamoto, Tomio Kawazoe, Kiyoshi Ikeda, Munekazu Satake, Futoshi Kitatani, Tsuyoshi Tomosada, Takeshi Furuta, Takayuki Tsuji
  • Publication number: 20030106740
    Abstract: A speaker edge is made of a thermosetting composition consisting of a polyurethane prepolymer and an inactivated solid polyamine as a latent hardener. A gas is dispersed in the thermosetting composition, prior to feed into a mold, so that it can foam and solidify to give the speaker edge. In a method of making the speaker edge, the composition will be injected into a female mold segment heated below the critical thermosetting temperature, foaming the composition. Then placed in the female segment is a male segment heated above the critical temperature, causing the ingredients to react with each other to solidify in the mold.
    Type: Application
    Filed: July 1, 2002
    Publication date: June 12, 2003
    Inventors: Shinya Tabata, Shinya Mizone, Yoshiyuki Takahashi, Kiyoshi Ikeda, Hiroki Yamazaki, Shinji Okuda, Masaharu Takada
  • Publication number: 20030004217
    Abstract: This invention provides a polymer polyol composition (I) comprising a polyol (A) and polymer particles (B) dispersed in (A), the polymer particles (B) being formed by polymerizing an ethylenically unsaturated compound (b) in a polyol, wherein the content of (B) in (I) is from 35 to 75 mass %, based on the mass of (I), and the amount of soluble polymers (P) dissolved in (A) is not more than 5 mass %, based on the mass of (A), and provides methods for producing the polymer polyol composition (I). Further, this invention provides a method for producing a foamed or non-foamed polyurethane resin, which method comprises reacting a polyol component with a polyisocyanate component in the presence or absence of a blowing agent, wherein the above polymer polyol composition is used at least as a portion of the polyol component.
    Type: Application
    Filed: February 6, 2002
    Publication date: January 2, 2003
    Applicant: SANYO CHEMICAL INDUSTRIES, Ltd.
    Inventors: Tetsuji Kawamoto, Tomio Kawazoe, Kiyoshi Ikeda, Munekazu Satake, Futoshi Kitatani, Tsuyoshi Tomosada, Takeshi Furuta, Takayuki Tsuji
  • Publication number: 20020061117
    Abstract: A diaphragm is gained by the co-molded of a dome part, a voice coil junction part, a cone part and a peripheral part through the injection mold of thermoplastic resin. The thickness of the central part of the dome is made great so that the resonance amplitude in this part becomes small. In addition, an annular rib is integrally provided to the voice coil junction part so as to increase the junction strength between the diaphragm and the voice coil bobbin. Thus, the electromagnetic driving force of the voice coil can be effectively transmitted to the diaphragm so that a loud speaker with excellent characteristics can be gained.
    Type: Application
    Filed: November 19, 2001
    Publication date: May 23, 2002
    Inventors: Hiroyuki Takewa, Mikio Iwasa, Mitsukazu Kuze, Shinya Tabata, Shinya Mizone, Yoshiyuki Takahashi, Satoshi Koura, Takashi Suzuki, Teruo Doi, Kiyoshi Ikeda, Hiroko Yamazaki
  • Patent number: 6367912
    Abstract: An ink jet recording apparatus is provided with a black head and a plurality of color heads. The black head has a predetermined number of first orifices aligned at predetermined intervals (e.g. 0.0169 mm) in a sub scanning direction (direction in which a print medium travels). The plurality of color heads eject different colored ink drops. Each color head has the predetermined number of second orifices aligned in the sub scanning direction perpendicular to the main scanning direction. The second orifices of adjacent color heads are aligned in a main scanning direction perpendicular to the sub scanning direction.
    Type: Grant
    Filed: October 23, 1998
    Date of Patent: April 9, 2002
    Assignee: Oki Data Corporation
    Inventors: Mitsuru Kishimoto, Hideyuki Kobayashi, Noboru Ooishi, Kiyoshi Ikeda, Takeo Fujii, Hiroyuki Ueki, Masahiko Shimosugi, Shigenori Koido
  • Patent number: 6203577
    Abstract: A method for shrink-proofing a cellulosic fiber textile that involves liquid ammonia treatment, hot water or alkali treatment under tension or under no tension, and with optional resin treatment.
    Type: Grant
    Filed: October 22, 1998
    Date of Patent: March 20, 2001
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Yuichi Yanai, Takayuki Hirai, Masayoshi Oba, Kiyoshi Ikeda, Yasushi Takagi, Takeo Ishikawa, Kazuhiko Harada, Hirotaka Iida, Ryuichi Ito, Osamu Hasegawa
  • Patent number: 6198493
    Abstract: A dot data generator receives print data from a host apparatus and generates dot data from the print data. Dots have different diameters according to a gradation level. A drive frequency setting section sets a drive frequency in accordance with the print data. A drive signal generator generates a timing in timed relation with the drive frequency. A recording head is driven at the generated timing to form a plurality of dots on a print medium. An operation circuit determines a total drive time forming dots for each line in the main scanning direction. The drive frequency is set on a line-by-line basis in accordance with the total drive time. The timing may be delayed so that dots are formed always at accurate print positions irrespective of the scanning speed in the main scanning direction and in the sub scanning direction.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: March 6, 2001
    Assignee: Oki Data Corporation
    Inventors: Mitsuru Kishimoto, Hideyuki Kobayashi, Noboru Ooishi, Kiyoshi Ikeda
  • Patent number: 6113227
    Abstract: An ink Jet head includes first base second base which are made of a piezoelectric material. The first and second bases are formed with a plurality of first and second grooves in their surfaces, respectively, and are formed with first and second electrodes on their surfaces between the first grooves, respectively. The first and second bases also includes side surfaces intersecting the surfaces of the first and second bases, respectively. The electrodes are spaced apart from the side surfaces. The second base is placed on the first base so that the grooves in the first base and the grooves in the second base communicate with each other to define ink pressure chambers. An insulating layer is formed on the inner walls of the ink pressure chambers. An orifice plate having orifices is bonded to the side surfaces so that the ink chambers communicate with atmosphere through the orifices.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: September 5, 2000
    Assignee: Oki Data Corporation
    Inventors: Noboru Ooishi, Mitsuru Kishimoto, Hideyuki Kobayashi, Kiyoshi Ikeda, Masahiko Shimosugi
  • Patent number: 6098257
    Abstract: A method of manufacturing a print head is for use with an ink Jet printer. The print head includes a plurality of parallel ink pressure chambers defined by a plurality of walls and a cover bonded on the top surfaces of the walls. The method includes the steps of forming a plurality of parallel grooves in a piezoelectric element, the grooves being bounded by a plurality of parallel walls aligned in a row; and applying an adhesive either to the top surfaces of the walls or to a surface of a cover in registration with top surfaces of the walls, the adhesive being applied by screen printing, the adhesive being applied by moving a squeegee in a direction perpendicular to a direction in which the grooves extend.
    Type: Grant
    Filed: May 28, 1996
    Date of Patent: August 8, 2000
    Assignee: Oki Data Corporation
    Inventors: Shigenori Koido, Mitsuru Kishimoto, Noboru Ooishi, Masahiko Shimosugi, Kiyoshi Ikeda
  • Patent number: 6047740
    Abstract: A rubber composition comprising the following components (A) to (C) and comprising no zinc-containing compound:(A): an ethylene-.alpha.-olefin copolymer rubber, ethylene-.alpha.-olefin-nonconjugated diene copolymer rubber, or, ethylene-.alpha.-olefin copolymer rubber and ethylene-.alpha.-olefin-nonconjugated diene copolymer rubber,(B): magnesium oxide, and(C): carbon black.
    Type: Grant
    Filed: May 7, 1998
    Date of Patent: April 11, 2000
    Assignee: Sumitomo Chemical Company, Ltd.
    Inventors: Kiyoshi Ikeda, Sadayuki Nakano
  • Patent number: 6045213
    Abstract: An ink jet head has a plurality of ink pressure chambers defined therein and a surface to which a plurality of ink pressure chambers open. An orifice plate having an orifice therein is bonded to the surface. When manufacturing the ink jet head, a coating of an insulating material is first formed on an inner wall of the ink pressure chambers and subsequently a re-dissolvable curingresin is applied to the ink jet head in an area from the inner walls to the surface. Then, the coating and the resin deposited on the surface are removed from the surface. Then, the resin deposited on the coating in the ink pressure chambers is dissolved to remove the resin from the inner wall. Finally, the orifice plate is bonded to the surface.
    Type: Grant
    Filed: May 20, 1998
    Date of Patent: April 4, 2000
    Assignee: Oki Daga Corporation
    Inventors: Mitsuru Kishimoto, Kiyoshi Ikeda, Noboru Ooishi, Hideyuki Kobayashi
  • Patent number: 6039433
    Abstract: An ink jet recording apparatus includes a printhead that ejects black ink drops and colored ink drops through a plurality of corresponding ink nozzles in accordance with print data. The printhead ejects ink drops when the printhead is moved to scan a recording medium in a forward direction and a reverse direction opposite to the forward direction. The forward and reverse directions are perpendicular to a direction in which the recording medium travels. A print data identifier separates the print data for a line into black print data and color print data. A print data selector supplies one of the black print data and color print data to the printhead when the printhead scans the recording medium in the forward direction, and the other of the black print data and color print data to the printhead when the printhead scans the recording medium in the reverse direction.
    Type: Grant
    Filed: August 26, 1997
    Date of Patent: March 21, 2000
    Assignee: Oki Data Corporation
    Inventors: Hideyuki Kobayashi, Mitsuru Kishimoto, Noboru Ooishi, Kiyoshi Ikeda
  • Patent number: 5923352
    Abstract: A method of adjusting an ink jet head having at least one polarized electromechanical transducer forming an ink pressure chamber from which ink drops are ejected when the electromechanical transducer is deformed. The method includes the steps of performing a first polarization operation where the electromechanical transducer is polarized into saturation in a first direction, and performing second polarization operation where the electromechanical transducer polarized by the first polarization operation is polarized in a second direction opposite to the first direction so that the electromechanical transducer is polarized to a predetermined level.
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: July 13, 1999
    Assignee: Oki Data Corporation
    Inventors: Hiroshi Kikuchi, Mitsuru Kishimoto, Kiyoshi Ikeda, Masahiko Shimosugi
  • Patent number: 5910279
    Abstract: Creases are formed in a cellulosic fiber textile by treating the fiber textile with liquid ammonia, creasing the fiber textile, and treating the fiber textile with hot water or alkaline solution substantially simultaneous with or subsequent to the creasing step. Fully durable creases are formed in the cellulosic fiber textile without detracting from strength.
    Type: Grant
    Filed: April 11, 1997
    Date of Patent: June 8, 1999
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Yuichi Yanai, Takayuki Hirai, Masayoshi Oba, Kiyoshi Ikeda, Yasushi Takagi, Takeo Ishikawa, Kazuhiko Harada, Hirotaka Iida, Kazuhiko Arakawa, Masazumi Ii, Yuzo Nakamura
  • Patent number: 5889538
    Abstract: An ink jet recording apparatus has at least one ink chamber having an orifice through which ink drops are ejected, each ink drop having a variable amount of ink and being ejected at a timing corresponding to the amount of ink; and a controller for causing said ink chamber to eject ink drops therefrom in accordance with print data. The ink drop has an amount of ink in accordance with the level of gradation of the print data and is ejected at a timing in accordance with the amount of ink. The ink chamber may includes a plurality of ink chambers, i.e., black, yellow, magenta, and cyan. A black ink chamber is located at a first distance away from the print medium and ejects black ink drops along line k1. Color ink chambers of yellow, magenta, and cyan are aligned in a plane parallel to the surface of the print medium and oriented so that the color ink drops are ejected toward the print medium along lines k1, k3, and k4, respectively.
    Type: Grant
    Filed: November 20, 1996
    Date of Patent: March 30, 1999
    Assignee: Oki Data Corporation
    Inventors: Mitsuru Kishimoto, Noboru Ooishi, Kiyoshi Ikeda, Masahiko Shimosugi, Shigenori Koido, Nobutoshi Chigira, Yuko Mine
  • Patent number: 5610226
    Abstract: A composition is disclosed which contains about 80.0 to about 99.9% by weight of a (meth)acrylate monomer having a structure represented by a formula (I) or a mixture of the (meth)acrylate monomer and alkyl acrylate having an alkyl ester comprising alcohol of 1 to 8 carbon atoms, and about 20.0 to about 0.1% by weight of a crosslinking monomer copolymerizable with the (meth)acrylate monomer. The composition can be used in formulating elastomeric compositions having a favorable balance of properties.
    Type: Grant
    Filed: May 22, 1995
    Date of Patent: March 11, 1997
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Keisaku Yamamoto, Kiyoshi Ikeda, Masahiro Fukuyama, Tadaaki Nishiyama
  • Patent number: 5548012
    Abstract: An automotive weather strip comprising a base material, a urethane layer and an adhesive composition formed between the base material and the urethane layer, wherein said base material comprises an ethylene/propylene rubber and said adhesive composition comprises components (A) to (E), the weight ratio of component (A) to component (B) being 60:40 to 40:60,(A) an epoxy group-containing acrylic elastomer,(B) an ethylene/.alpha.-olefin copolymer,(C) an organic peroxide,(D) at least one member selected from the group consisting of a primary amines and an imidazole compound, and(E) calcium oxide.The present invention can provide an automotive weather strip in which a base material containing the ethylene/propylene rubber has been strongly adhered to the urethane layer forming a surface layer, and which can be produced efficiently without requiring many production steps and also without using a hygienically undesirable solvent-containing adhesive.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: August 20, 1996
    Assignees: Sumitomo Chemical Company, Ltd., Toyoda Goesi Co., Ltd.
    Inventors: Keisaku Yamamoto, Kiyoshi Ikeda, Masahiro Fukuyama, Takeshi Naito, Masanori Aritake
  • Patent number: 5536949
    Abstract: A functional layer, such as a light emitting layer, of an organic electron device, such as an organic electroluminescence device, is provided. The function layer includes a small amount of a charge injection auxiliary material capable of enhancing charge injection properties. The charge injection auxiliary material comprises a stilbene, distyrylarylene or tris(styrylarylene) compound and is employed in an organic electron device wherein a positive-hole transporting organic functional layer is subjected to positive-hole injection from an external layer by incorporating the charge injection auxiliary material in the functional layer. The organic electroluminescence device provided by the present invention has a lowered applied voltage, an enhanced luminous efficiency and a prolonged service life.
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: July 16, 1996
    Assignee: Idemistu Kosan Co., Ltd.
    Inventors: Chishio Hosokawa, Hisahiro Higashi, Tadashi Kusumoto, Kiyoshi Ikeda