Assignee
Inventors
- Satoshi Ikushima (11 patents)
- Seiji Wada (131 patents)
- Yasumasa Okumura (21 patents)
- Haruhiko Aida (9 patents)
- Motoshi Yabuta (34 patents)
- Yoshiyuki Yukawa (40 patents)
- Ken-ichi Hasada (3 patents)
US Patent 6262147 · Granted Jul 17, 2001