Assignee
Inventors
- Reiju Shioda (2 patents)
- Sadao Takahashi (71 patents)
- Toshiyuki Furuta (43 patents)
- Koichi Ejiri (31 patents)
- Tomio Kubota (2 patents)
- Minoru Morikawa (33 patents)
- Naoki Kozuka (8 patents)
- Hitoshi Hattori (89 patents)
US Patent 6634559 · Granted Oct 21, 2003