Assignee
Inventors
- Yoshitsugu Suzuki (74 patents)
- Shogo Iizuka (4 patents)
- Shigeo Kajiyama (8 patents)
- Kenji Usui (19 patents)
- Masahiro Kobayashi (375 patents)
- Toshinori Igura (9 patents)
- Shigezi Kudo (1 patents)
- Sanae Suzuki (9 patents)
US Patent 4476629 · Granted Oct 16, 1984