Assignee
Inventors
- Hideki Toya (8 patents)
- Mitsuyoshi Imai (5 patents)
- Masaki Sakaguchi (3 patents)
- Naoki Yamabe (3 patents)
- Mamoru Suwa (5 patents)
- Toshiyuki Motooka (10 patents)
- Hideharu Sakoda (25 patents)
- Muneharu Morioka (17 patents)
US Patent 6348416 · Granted Feb 19, 2002