Assignee
Inventors
- Atsushi Tatani (37 patents)
- Naohiko Ukawa (39 patents)
- Susumu Okino (97 patents)
- Toru Takashina (49 patents)
- Tsumoru Nakamura (5 patents)
- Tokuma Arai (2 patents)
- Yoshihiro Shiraishi (9 patents)
US Patent 5295400 · Granted Mar 22, 1994