Assignee
Inventors
- Hajime Izumi (9 patents)
- Makoto Nakajima (100 patents)
- Chikara Kurimura (6 patents)
- Takehiko Tsutsui (2 patents)
- Noboru Kubo (18 patents)
- Mikio Kurihara (19 patents)
- Toshio Ichikawa (12 patents)
US Patent 6445758 · Granted Sep 3, 2002