Patents by Inventor Toshiyuki Kuroiwa

Toshiyuki Kuroiwa 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).

  • Disk loading mechanism, and disk recording and/or reproducing device
    Patent number: 7103894
    Abstract: A disk loading apparatus includes first and second main gears (35, 43) disposed at equal distances to each other in radial directions from the center of rotation of a disk table (85) which is the center of rotation of a disk-type recording medium at an insertion completion position of the disk-type recording medium, and first and second feed rollers (38, 46) provided at positions on the first and second main gears (35, 43) displaced from the centers of rotation of the first and second main gears (35, 43) for rolling on an outer circumferential face of the disk-type recording medium (100).
    Type: Grant
    Filed: November 15, 2002
    Date of Patent: September 5, 2006
    Assignee: Sony Corporation
    Inventors: Akihisa Inatani, Toshiyuki Kuroiwa, Takeshi Suzuki
  • Disk loading mechanism, and disk recording and/or reproducing device
    Publication number: 20040133901
    Abstract: A disk loading apparatus includes first and second main gears (35, 43) disposed at equal distances to each other in radial directions from the center of rotation of a disk table (85) which is the center of rotation of a disk-type recording medium at an insertion completion position of the disk-type recording medium, and first and second feed rollers (38, 46) provided at positions on the first and second main gears (35, 43) displaced from the centers of rotation of the first and second main gears (35, 43) for rolling on an outer circumferential face of the disk-type recording medium (100).
    Type: Application
    Filed: February 11, 2004
    Publication date: July 8, 2004
    Inventors: Akihisa Inatani, Toshiyuki Kuroiwa, Takeshi Suzuki
  • Optical pickup device and optical disc recording and/or reproducing apparatus
    Patent number: 6430143
    Abstract: An optical pickup device for recording and/or reproducing the information on or from an optical disc.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: August 6, 2002
    Assignee: Sony Corporation
    Inventors: Yoshihiro Kajiyama, Junzo Kumakura, Yasuo Osada, Toshiyuki Kuroiwa, Hideo Nagasaka, Kaneshiro Kondo, Yutaka Shimada, Katsuo Matsumoto, Hiroshi Ishizeki, Shuichi Hirosawa, Yoshio Sugihara