Assignee
Inventors
- Tatsuya Sakakibara (6 patents)
- Seiji Murakami (37 patents)
- Noriaki Hattori (22 patents)
- Keiko Yajitate (4 patents)
- Teruo Watarai (4 patents)
- Motoo Nakajima (11 patents)
- Kazuhiro Imai (29 patents)
US Patent 6200767 · Granted Mar 13, 2001