Assignee
Inventors
- Toshihisa Shimo (26 patents)
- Atsushi Kidokoro (4 patents)
- Yoshifumi Kato (43 patents)
- Makoto Kato (221 patents)
- Azusa Tsukigase (5 patents)
- Kenzo Fukumori (13 patents)
- Arimitsu Usuki (37 patents)
US Patent 6838509 · Granted Jan 4, 2005