Assignee
Inventors
- Shinichi Kawamura (99 patents)
- Keiichi Izumi (13 patents)
- Junichi Sato (256 patents)
- Yuzuru Sanemitsu (41 patents)
- Ryo Sato (48 patents)
- Tatsuhiro Hamada (10 patents)
- Hideyuki Shibata (24 patents)
US Patent 5292715 · Granted Mar 8, 1994