Assignee
Inventors
- Takashi Nakamaru (10 patents)
- Tadashi Watai (10 patents)
- Masayuki Rokugawa (2 patents)
- Kouichi Tsunoda (11 patents)
- Tadayoshi Umeki (2 patents)
- Takayuki Miyaji (7 patents)
- Kenji Yamada (406 patents)
US Patent 5300366 · Granted Apr 5, 1994