Assignee
Inventors
- Shuichi Aita (22 patents)
- Kenji Okado (46 patents)
- Toshiyuki Ugai (17 patents)
- Ryoichi Fujita (32 patents)
- Fumihiro Arahira (15 patents)
- Kiyoshi Mizoe (16 patents)
- Yoshifumi Hano (20 patents)
US Patent 6285848 · Granted Sep 4, 2001