Assignee
Inventors
- Tooru Nakayama (9 patents)
- Teruo Nakahara (3 patents)
- Kazuhiro Yoshida (234 patents)
- Mitsunobu Yamada (7 patents)
- Motoki Kurohara (4 patents)
- Satoru Koyanagi (16 patents)
- Katsuhiro Ikegami (23 patents)
US Patent 6354524 · Granted Mar 12, 2002