Assignee
Inventors
- Katsumi Adachi (170 patents)
- Shiro Narikawa (23 patents)
- Takashi Hayakawa (58 patents)
- Yukihito Nishio (14 patents)
- Hirofumi Yanagizawa (4 patents)
- Takumi Sakamoto (9 patents)
- Atsushi Okada (46 patents)
US Patent 5592263 · Granted Jan 7, 1997