Assignee
Inventors
- Atsushi Murase (37 patents)
- Tetsuo Tanaka (65 patents)
- Motoaki Satoyama (12 patents)
- Toshiaki Kohno (13 patents)
- Kenji Kawasaki (74 patents)
- Yoshiaki Morimoto (14 patents)
- Akira Tanaka (394 patents)
US Patent 6154218 · Granted Nov 28, 2000