Assignee
Inventors
- Hitoshi Oyama (50 patents)
- Takao Nishioka (53 patents)
- Kenji Matsunuma (25 patents)
- Takatoshi Takikawa (12 patents)
- Toshihiko Kaji (23 patents)
- Nozomu Kawabe (50 patents)
- Kouichi Sogabe (14 patents)
US Patent 6371063 · Granted Apr 16, 2002