Assignee
Inventors
- Tetsuya Toyama (2 patents)
- Nobuya Kishi (15 patents)
- Yoshiaki Tomaru (2 patents)
- Nobuyoshi Miyao (5 patents)
- Toshihiro Asaka (1 patents)
- Takeshi Arai (83 patents)
- Seiji Takeda (34 patents)
- Masatsugu Hatanaka (9 patents)
US Patent 6336756 · Granted Jan 8, 2002