Assignee
Inventors
- Haruo Takeda (33 patents)
- Masayuki Tsuchiya (20 patents)
- Hitoshi Suzuki (369 patents)
- Syozi Yamada (1 patents)
- Toshihiko Matsuda (44 patents)
- Hiroshi Fujise (13 patents)
- Yoshiaki Kuno (2 patents)
- Ichitaro Koai (2 patents)
US Patent 5228100 · Granted Jul 13, 1993