Assignee
Inventors
- Akira Sano (96 patents)
- Takeichi Shiraishi (17 patents)
- Kunihiro Suzuki (6 patents)
- Mitsuo Okamoto (5 patents)
- Katumi Usui (10 patents)
- Hiroyuki Shimizu (120 patents)
- Kazuo Matsuura (153 patents)
US Patent 5804679 · Granted Sep 8, 1998