Assignee
Inventors
- Makoto Shimizu (128 patents)
- Hideaki Kataoka (47 patents)
- Hiroaki Tanaka (401 patents)
- Tatsuo Shiino (6 patents)
- Takayuki Kambara (32 patents)
- Hisashi Kikuchi (70 patents)
- Toru Shimizu (98 patents)
US Patent 6287744 · Granted Sep 11, 2001