Assignee
Inventors
- Yoshiki Shimomura (15 patents)
- Sadao Tanigawa (12 patents)
- Yukihiro Mori (141 patents)
- Toshimitsu Takakura (3 patents)
- Yasushi Umeda (25 patents)
- Tetsuo Tomiyama (19 patents)
- Hiroyuki Yoshikawa (74 patents)
US Patent 5623713 · Granted Apr 22, 1997