Assignee
Inventors
- Kazuhiko Tsutsumi (9 patents)
- Tagui Sugimoto (1 patents)
- Yoshihiko Tsuda (13 patents)
- Eiji Uesaka (3 patents)
- Kayoko Shinomiya (2 patents)
- Yasuo Shoji (10 patents)
- Atsushi Shima (12 patents)
US Patent 5081112 · Granted Jan 14, 1992