Assignee
Inventors
- Kenichi Hamada (54 patents)
- Kazushige Ishiura (29 patents)
- Toru Takahashi (508 patents)
- Sachie Yaginuma (6 patents)
- Makoto AKAI (9 patents)
- Tomohiro Ono (59 patents)
- Kenji Shachi (20 patents)
US Patent 6630554 · Granted Oct 7, 2003