Assignee
Inventors
- Yoshinari Takemura (64 patents)
- Shunji Ohara (69 patents)
- Takashi Ishida (277 patents)
- Isao Satoh (135 patents)
- Kazuhiko Nakane (150 patents)
- Masato Nagasawa (62 patents)
- Yoshinobu Ishida (56 patents)
US Patent 6396798 · Granted May 28, 2002