Assignee
Inventors
- Hiroshi Terada (70 patents)
- Akinori Toyoda (19 patents)
- Yoshihito Urata (9 patents)
- Hajime Yamamoto (229 patents)
- Nobuo Genji (5 patents)
- Naoaki Ishimaru (15 patents)
- Tatsuo Nakatsugawa (3 patents)
- Masakazu Naito (20 patents)
US Patent 6021303 · Granted Feb 1, 2000