Patents by Inventor Naruhiko Inayosi

Naruhiko Inayosi 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).

  • Stick-type ignition coil having improved structure against crack or dielectric discharge
    Patent number: 6525636
    Abstract: A stick-type ignition coil have a central core, a cylindrical member, primary spool, primary coil, secondary spool, secondary coil, outer core and a resin insulator. The two longitudinal end corners and faces of the core are covered by respective buffer members. The inner circumferential corners of the outer core is supported by ring members. Some of the members disposed radially inside and other members disposed radially outside of the inside members are held slidably to each other in the ignition coil. The spools are made of resin containing a rubber in excess of 5 weight percent and reinforcing materials. The resin insulator contains a flexible material.
    Type: Grant
    Filed: August 9, 2000
    Date of Patent: February 25, 2003
    Assignee: Denso Corporation
    Inventors: Kazutoyo Oosuka, Keisuke Kawano, Hiroyuki Wakabayashi, Akimitsu Suguira, Naruhiko Inayosi, Tomonari Chiba, Katsuhisa Kato
  • Stick-type ignition coil having improved structure against crack or dielectric discharge
    Patent number: 6208231
    Abstract: A stick-type ignition coil have a central core, a cylindrical member, primary spool, primary coil, secondary spool, secondary coil, outer core and a resin insulator. The two longitudinal end corners and faces of the core are covered by respective buffer members. The inner circumferential corners of the outer core is supported by ring members. Some of the members disposed radially inside and other members disposed radially outside of the inside members are held slidably to each other in the ignition coil. The spools are made of resin containing a rubber in excess of 5 weight percent and reinforcing materials. The resin insulator contains a flexible material.
    Type: Grant
    Filed: February 13, 1998
    Date of Patent: March 27, 2001
    Assignee: Denso Corporation
    Inventors: Kazutoyo Oosuka, Keisuke Kawano, Hiroyuki Wakabayashi, Akimitsu Sugiura, Tomonori Ishikawa, Naruhiko Inayosi, Masahiko Aoyama, Kazuhide Kawai, Norihiro Adachi, Yoshimi Nakase, Yoshitaka Sato, Tomonari Chiba, Katsuhisa Kato