Assignee
Inventors
- Kazuo Tsubuko (29 patents)
- Nobutaka Kinoshita (9 patents)
- Tsuyoshi Asami (22 patents)
- Akihiko Gotoh (49 patents)
- Kazuhiko Umemura (46 patents)
- Kazuyo Mizuno (5 patents)
- Makoto Okawara (5 patents)
US Patent 5952048 · Granted Sep 14, 1999