Assignee
Inventors
- Yoichi Ohmura (11 patents)
- Toru Oka (45 patents)
- Toshiro Nakashima (7 patents)
- Hajime Nakajima (56 patents)
- Hirokazu Sakuma (11 patents)
- Takashi Okamuro (14 patents)
- Masahiko Sakamoto (24 patents)
- Koichi Sugimoto (54 patents)
US Patent 6972402 · Granted Dec 6, 2005