Assignee
Inventors
- Hiroshi Takenaga (39 patents)
- Yoshiyuki Okuyama (6 patents)
- Masao Takatoo (15 patents)
- Kazuyoshi Asada (10 patents)
- Norio Tanaka (108 patents)
- Tadaaki Kitamura (16 patents)
- Kuniyuki Kikuchi (4 patents)
US Patent 5295197 · Granted Mar 15, 1994