Assignee
Inventors
- Tamotsu Kobayashi (9 patents)
- Kenichi Kuromori (2 patents)
- Shigeru Goto (25 patents)
- Yoshinori Matsunaga (17 patents)
- Takashi Torimaru (7 patents)
- Norihiro Shikuya (1 patents)
- Tadashi Azegami (4 patents)
US Patent 4773274 · Granted Sep 27, 1988