Assignee
Inventors
- Hiroyoshi Asada (3 patents)
- Yoshihiro Tamura (20 patents)
- Unknown
- Mitio Yamasaki (1 patents)
- Yuji Tanaka (232 patents)
- Hidetoshi Hara (8 patents)
- Jun Inagaki (30 patents)
- Junichi Matsumura (31 patents)
US Patent 6256051 · Granted Jul 3, 2001