Assignee
Inventors
- Tatsuhiko Kagehiro (16 patents)
- Masashi Koga (22 patents)
- Hiroshi Sako (20 patents)
- Hiromichi Fujisawa (54 patents)
- Hisao Ogata (11 patents)
- Yoshihiro Shima (18 patents)
- Shigeru Watanabe (139 patents)
- Masato Teramoto (8 patents)
US Patent 6246794 · Granted Jun 12, 2001