Assignee
Inventors
- Kazuo Kuwahara (7 patents)
- Yoshihiro Hasebe (11 patents)
- Akira Akaogi (3 patents)
- Tsuneo Yasumura (3 patents)
- Toshie Takahashi (9 patents)
- Osamu Tachizawa (13 patents)
- Eiji Terada (14 patents)
US Patent 6359032 · Granted Mar 19, 2002