Assignee
Inventors
- Koichi Asahi (7 patents)
- Katsuhiko Mizuno (7 patents)
- Takeshi Nakamura (436 patents)
- Shoji Takeshige (3 patents)
- Shinichi Sakano (8 patents)
- Takashi Miyama (6 patents)
- Yasutomo Teshima (2 patents)
US Patent 6368696 · Granted Apr 9, 2002