Patents by Inventor Hiroo Yoshidome

Hiroo Yoshidome 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).

  • Optical disc with antistatic coating containing tin oxide and phosphorous
    Patent number: 5331625
    Abstract: An optical disc comprises an antistatic film of light transmission properties which is formed of a synthetic resin, includes a tin oxide with a phosphorous as electro-conductive filler and is provided on another side of a plastics substrate of the optical disc where an optical beam is applied.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: July 19, 1994
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Michinobu Mieda, Toshikazu Nagaura, Hirotoshi Takemori, Kenji Ohta, Hiroo Yoshidome
  • Process for preparing conductive fine particles and conductive coating materials containing said particles
    Patent number: 5204177
    Abstract: Transparent conductive coatings excellent in transparency are provided on substrates such as glass, plastics, etc. by the use of conductive coating materials obtained by maintaining aqueous solutions of hydrolyzable tin containing or indium containing compounds at pH of 8-12, and gradually hydrolyzing said compounds in the solutions to form sols containing colloidal particles, followed by drying and calcining.
    Type: Grant
    Filed: August 27, 1991
    Date of Patent: April 20, 1993
    Assignee: Catalysts & Chemicals Industries, Co., Ltd.
    Inventors: Goro Sato, Michio Komatsu, Tsuguo Koyanagi, Masayuki Matsuda, Hiroo Yoshidome, Akira Nakashima, Kazuaki Inoue
  • Process for preparing conductive fine particles
    Patent number: 4937148
    Abstract: Transparent conductive coatings excellent in transparency are provided on substrates such as glass, plastics, etc. by the use of conductive coating materials obtained by maintaining aqueous solutions of hydrolyzable tin containing or indium containing compounds at pH of 8-12, and gradually hydrolyzing said compounds in the solutions to form sols containing colloidal particles, followed by drying and calcining.
    Type: Grant
    Filed: May 1, 1989
    Date of Patent: June 26, 1990
    Assignee: Catalysts & Chemicals Industries Co., Ltd.
    Inventors: Goro Sato, Michio Komatsu, Tsuguo Koyanagi, Masayuki Matsuda, Hiroo Yoshidome, Akira Nakashima, Kazuaki Inoue