Assignee
Inventors
- Hatsuyuki Arai (14 patents)
- Shigeto Izumi (11 patents)
- Xu-Jin Wang (5 patents)
- Misuo Sugiyama (7 patents)
- Hisato Matsubara (1 patents)
- Hideo Tanaka (202 patents)
- Toshikuni Shimizu (2 patents)
US Patent 6012964 · Granted Jan 11, 2000