Assignee
Inventors
- Shinichi Wakui (10 patents)
- Miyoshi Takahashi (19 patents)
- Kazumasa Ide (30 patents)
- Ryoichi Shiobara (18 patents)
- Hidenari Otani (2 patents)
- Akitomi Semba (21 patents)
- Junji Sato (126 patents)
US Patent 6359361 · Granted Mar 19, 2002