Assignee
Inventors
- Akira Sano (96 patents)
- Shiraishi Takeichi (1 patents)
- Kunihiro Suzuki (6 patents)
- Mitsuo Okamoto (5 patents)
- Katsumi Usui (2 patents)
- Hiroyuki Shimizu (120 patents)
- Kazuo Matsuura (153 patents)
US Patent 5541271 · Granted Jul 30, 1996