Assignee
Inventors
- Hiroyuki Seki (182 patents)
- Yoshifumi Nishimoto (39 patents)
- Hideki Tanaka (343 patents)
- Toshiaki Harada (22 patents)
- Atsushi Kimura (169 patents)
- Yoshitaka Okamura (15 patents)
- Shinji Yamamoto (366 patents)
US Patent 5596241 · Granted Jan 21, 1997