Assignee
Inventors
- Toru Fujioka (14 patents)
- Isao Yoshida (115 patents)
- Mineo Katsueda (7 patents)
- Masatoshi Morikawa (39 patents)
- Yoshikuni Matsunaga (29 patents)
- Kenji Sekine (46 patents)
- Osamu Kagaya (82 patents)
US Patent 6865399 · Granted Mar 8, 2005