Assignee
Inventors
- Hiroyuki Sueoka (4 patents)
- Jouji Yasuoka (1 patents)
- Akira Nishiyama (113 patents)
- Masatoshi Kiuchi (9 patents)
- Katsuya Yamamoto (1 patents)
- Kunio Sugahara (7 patents)
- Syuji Ehara (5 patents)
- Kei Sakata (1 patents)
US Patent 6288061 · Granted Sep 11, 2001