Assignee
Inventors
- Fumio Satou (7 patents)
- Mitsuhiro Sakai (18 patents)
- Takeshi Tsukamoto (64 patents)
- Yoichi Honda (6 patents)
- Kiyomitsu Yamaguchi (9 patents)
- Kimio Motoda (21 patents)
- Yoshitaka Matsuda (8 patents)
US Patent 6398879 · Granted Jun 4, 2002