Assignee
Inventors
- Masaaki Sano (40 patents)
- Yoshiaki Kita (9 patents)
- Shun-ichi Narumi (12 patents)
- Takashi Kawabe (53 patents)
- Moriaki Fuyama (55 patents)
- Hisashi Takano (110 patents)
- Hisano Yamamoto (5 patents)
- Kenzo Masuda (8 patents)
US Patent 6490131 · Granted Dec 3, 2002