Assignee
Inventors
- Motomasa Imai (16 patents)
- Naoki Shutoh (12 patents)
- Katsuyoshi Oh-Ishi (7 patents)
- Fumio Ueno (32 patents)
- Hideo Ohkuma (15 patents)
- Yuji Katsumura (2 patents)
- Masaki Kobayashi (234 patents)
- Toshiyuki Takahashi (85 patents)
US Patent 5509558 · Granted Apr 23, 1996