Assignee
Inventors
- Akio Tajima (103 patents)
- Hiroaki Takahashi (329 patents)
- Soichiro Araki (19 patents)
- Naoya Henmi (47 patents)
- Yoshihiko Suemura (28 patents)
- Yoshiharu Maeno (32 patents)
- Seigo Takahashi (71 patents)
US Patent 6760552 · Granted Jul 6, 2004