Assignee
Inventors
- Takatsugu Sasaki (9 patents)
- Akira Kabemoto (15 patents)
- Hirohide Sugahara (25 patents)
- Junji Nishioka (3 patents)
- Yozo Nakayama (6 patents)
- Unknown
- Toshiyuki Muta (10 patents)
- Takayuki Shimamura (55 patents)
US Patent 6092173 · Granted Jul 18, 2000