Assignee
Inventors
- Motoya Ito (63 patents)
- Noriyoshi Takahashi (40 patents)
- Masatoshi Watanabe (118 patents)
- Toshimi Abukawa (22 patents)
- Takeshi Seya (1 patents)
- Hiroshi Kainuma (9 patents)
- Toshiyuki Syutoo (1 patents)
US Patent 4704789 · Granted Nov 10, 1987