Assignee
Inventors
- Akihiko Namba (30 patents)
- Yoshihiro Tomita (134 patents)
- Tetsuyoshi Ogura (47 patents)
- Osamu Kawasaki (58 patents)
- Masato Sugimoto (19 patents)
- Katsumi Imada (28 patents)
- Atsushi Komatsu (98 patents)
- Kazuo Eda (61 patents)
US Patent 6270202 · Granted Aug 7, 2001