Assignee
Inventors
- Yasushi Nakamura (135 patents)
- Noboru Kuroda (11 patents)
- Ryoichi Ito (55 patents)
- Yasuaki Iwamoto (57 patents)
- Kohki Katoh (22 patents)
- Yoshihiro Sugiyama (25 patents)
- Kenichi Uehara (15 patents)
- Tomio Kondou (25 patents)
US Patent 6258502 · Granted Jul 10, 2001