Assignee
Inventors
- Toshio Sasaki (134 patents)
- Kohzoh Miyazaki (4 patents)
- Hiroyuki Shiraishi (34 patents)
- Yuji Shigematsu (4 patents)
- Hirofumi Johoji (15 patents)
- Akio Uemura (2 patents)
- Yufu Sato (7 patents)
US Patent 5602223 · Granted Feb 11, 1997