Assignee
Inventors
- Naoki Yamaguchi (77 patents)
- Junichi Tanizaki (7 patents)
- Takeshi Houman (3 patents)
- Toshimi Hattori (2 patents)
- Yoshihiro Mizoguchi (20 patents)
- Yoshiaki Ijima (7 patents)
- Yuzo Kawano (19 patents)
US Patent 6341206 · Granted Jan 22, 2002