Assignee
No assignee recorded.
Inventors
- Michinori Kubo (7 patents)
- Masayuki Yoshikawa (6 patents)
- Hideaki Matsuda (33 patents)
- Hisashi Matsuda (5 patents)
- Unknown
- Unknown
- Unknown
- Unknown
US Patent 6380168 · Granted Apr 30, 2002
No assignee recorded.