Assignee
Inventors
- Kazuhiro Hanazawa (13 patents)
- Masamichi Abe (5 patents)
- Hiroyuki Baba (61 patents)
- Naomichi Nakamura (29 patents)
- Noriyoshi Yuge (4 patents)
- Yasuhiko Sakaguchi (10 patents)
- Yoshiei Kato (11 patents)
- Fukuo Aratani (6 patents)
US Patent 6231826 · Granted May 15, 2001