Assignee
Inventors
- Noboru Tsushima (6 patents)
- Toshiya Endoh (2 patents)
- Satoru Sasaki (47 patents)
- Ken Yamamura (13 patents)
- Takashi Shirakawa (54 patents)
- Toshifumi Nakatani (62 patents)
- Akinori Takahashi (13 patents)
US Patent 5594488 · Granted Jan 14, 1997