Patents by Inventor Toshihiko Kaneshige

Toshihiko Kaneshige 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).

  • Alumina-spinel type monolithic refractories
    Patent number: 5316571
    Abstract: Alumina-spinel monolithic refractory having excellent spalling resistance, corrosion resistance and slag penetration resistance. The alumina-spinel refractory contains an alumina-spinel clinker having a MgO:Al.sub.2 O.sub.3 molar ratio ranging from 0.14:1.86 to 0.6:1.4 which can be simultaneously used with a spinel clinker having a close to theoretical composition with the balance consisting of an alumina material and alumina cement. Also, in order to inhibit the elongation of cracks an alumina crushed grain having a grain size ranging from 10 to 50 mm can be added to the alumina-spinel monolithic refractory.
    Type: Grant
    Filed: September 23, 1992
    Date of Patent: May 31, 1994
    Assignee: Shinagawa Refractories Co., Ltd.
    Inventors: Takashi Yamamura, Yoshihisa Hamazaki, Toshihiko Kaneshige, Makoto Nanba, Yukitoshi Kubota
  • Erroneous track jump restoration apparatus for optical record disc player
    Patent number: 4860272
    Abstract: An apparatus for reproducing data stored on a disc in a plurality of tracks connected in a continuous spiral or separated in concentric tracks.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: August 22, 1989
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Meisei Nishikawa, Jun Inagawa, Takeshi Inagaki, Toshihiko Kaneshige, Yasuhiro Hayashi, Tadashi Kojima