Assignee
Inventors
- Susumu Nakagawa (44 patents)
- Norikazu Ohtake (11 patents)
- Fumio Nakano (13 patents)
- Koji Yamada (47 patents)
- Ryosuke Ushijima (25 patents)
- Satoshi Murase (8 patents)
- Hiroshi Fukatsu (11 patents)
US Patent 5438054 · Granted Aug 1, 1995