Assignee
No assignee recorded.
Inventors
- Hidetoshi Sakamoto (3 patents)
- Kenjiro Uematsu (3 patents)
- Masashi Momota (10 patents)
- Susumu Tanabe (15 patents)
- Tatsuo Suzuki (99 patents)
- Toshihiko Endo (14 patents)
US Patent 4925445 · Granted May 15, 1990
No assignee recorded.