Assignee
Inventors
- Satoshi Numata (13 patents)
- Kouji Kitajima (1 patents)
- Kenji Kodaka (22 patents)
- Yukiharu Fukushi (5 patents)
- Shiroh Shiraishi (1 patents)
- Masahiko Nakamura (3 patents)
- Masayuki Ooka (4 patents)
US Patent 4782094 · Granted Nov 1, 1988