Assignee
Inventors
- Naoki Matsuura (12 patents)
- Seiya Shibata (14 patents)
- Tatsuo Fukuzaki (3 patents)
- Akira Tanaka (394 patents)
- Shigeo Fukuda (3 patents)
- Hiroki Nishiyama (13 patents)
- Mitsuru Tanaka (68 patents)
US Patent 5579362 · Granted Nov 26, 1996