Assignee
Inventors
- Koichi Fujimoto (23 patents)
- Naoki Tanaka (8 patents)
- Fumitoshi Asai (12 patents)
- Taketoshi Ogawa (4 patents)
- Teiichiro Koga (10 patents)
- Tatsuo Tanimoto (1 patents)
- Yoshio Tsujita (15 patents)
- Hiroyuki Koike (33 patents)
US Patent 5843983 · Granted Dec 1, 1998