Assignee
Inventors
- Hiroaki Masui (8 patents)
- Morio Shiozaki (4 patents)
- Nobuyuki Takahashi (212 patents)
- Hisashi Kabayashi (1 patents)
- Takeo Nagashima (9 patents)
- Shuichi Yamazaki (54 patents)
- Hiroyasu Fujii (52 patents)
US Patent 5565272 · Granted Oct 15, 1996