Assignee
Inventors
- Hideki Takeda (55 patents)
- Toshiyuki Osaka (5 patents)
- Yoshihiro Ueda (153 patents)
- Makoto Okado (5 patents)
- Tsutomu Sugaya (12 patents)
- Hitoshi Oishi (7 patents)
- Tetsuro Kawashima (23 patents)
- Yoshiyuki Takeda (21 patents)
US Patent 5956540 · Granted Sep 21, 1999