Assignee
Inventors
- Yasuhiko Shioe (1 patents)
- Chuji Akiyama (5 patents)
- Toshiaki Shirai (15 patents)
- Hideyuki Sakamoto (96 patents)
- Hitoshi Yasui (6 patents)
- Makio Ishikawa (2 patents)
- Hideo Matsukawa (4 patents)
US Patent 5390132 · Granted Feb 14, 1995