Assignee
Inventors
- Fukuharu Sudo (16 patents)
- Takushi Kunihiro (35 patents)
- Tetsuo Kobayashi (57 patents)
- Atsushi Ajiro (9 patents)
- Kentaro Odaka (70 patents)
- Tatsuji Ushino (7 patents)
- Toshiro Terauchi (101 patents)
US Patent 6198948 · Granted Mar 6, 2001