Assignee
Inventors
- Hiroyoshi Tsuchiya (21 patents)
- Atsuharu Yamamoto (11 patents)
- Kunio Sannomiya (9 patents)
- Hiroaki Kotera (16 patents)
- Katsuo Nakazato (9 patents)
- Mikio Fujita (7 patents)
- Shigeo Komizo (5 patents)
US Patent 5134272 · Granted Jul 28, 1992