Assignee
Inventors
- Osamu Hasegawa (60 patents)
- Tatsurou Horie (2 patents)
- Yasuyuki Sando (8 patents)
- Toshihiro Sone (118 patents)
- Kazuhiko Yagi (7 patents)
- Yuichi Nakamura (98 patents)
- Hiromitsu Sato (33 patents)
US Patent 5736836 · Granted Apr 7, 1998