Assignee
Inventors
- Souichi Katagiri (30 patents)
- Kan Yasui (70 patents)
- Ryousei Kawai (8 patents)
- Sadayuki Nishimura (12 patents)
- Masahiko Sato (241 patents)
- Yoshio Kawamura (47 patents)
- Shigeo Moriyama (43 patents)
US Patent 6723144 · Granted Apr 20, 2004