Assignee
Inventors
- Mitsuo Matsumoto (50 patents)
- Shinichi Miura (36 patents)
- Koichi Kikuchi (1 patents)
- Masuhiko Tamura (17 patents)
- Hidetaka Kojima (19 patents)
- Kunio Koga (11 patents)
- Shigeru Yamashita (2 patents)
US Patent 4567305 · Granted Jan 28, 1986