Assignee
Inventors
- Yoshihisa Oae (46 patents)
- Takamasa Satoh (27 patents)
- Yasushi Takahashi (170 patents)
- Kiichi Sakamoto (50 patents)
- Hiroshi Yasuda (294 patents)
- Soichiro Arai (24 patents)
- Moritaka Nakamura (16 patents)
US Patent 5401974 · Granted Mar 28, 1995