Assignee
Inventors
- Koichi Homma (26 patents)
- Akira Kagami (16 patents)
- Tadashi Tenma (6 patents)
- Kichizo Akashi (12 patents)
- Tetsuo Kusuzaki (7 patents)
- Tatsumi Nishimoto (2 patents)
- Hiroaki Oyama (10 patents)
US Patent 5383111 · Granted Jan 17, 1995