Assignee
Inventors
- Masahiko Tada (13 patents)
- Kohei Adachi (29 patents)
- Hiroki Toyoshima (6 patents)
- Susumu Kono (7 patents)
- Kazuo Yoshida (101 patents)
- Yoshihiro Kashiba (23 patents)
- Yoshimi Kinoshita (11 patents)
US Patent 6190488 · Granted Feb 20, 2001