Assignee
Inventors
- Hiroharu Matsuoka (12 patents)
- Hiroshi Suzuki (826 patents)
- Nobuaki Kato (6 patents)
- Keiichiro Tsuji (2 patents)
- Toshio Kuroki (4 patents)
- Noriaki Maruyama (5 patents)
- Kazuya Nakagomi (2 patents)
US Patent 6559149 · Granted May 6, 2003