Assignee
Inventors
- Hideshige Matsuo (7 patents)
- Isamu Yamamoto (34 patents)
- Michio Itoh (13 patents)
- Kuniaki Sato (49 patents)
- Yoshihiro Nakamura (87 patents)
- Akia Tomita (1 patents)
- Yoshiki Mihara (3 patents)
US Patent 5082166 · Granted Jan 21, 1992