Assignee
Inventors
- Masahiko Saito (100 patents)
- Masashi Yamamoto (121 patents)
- Tetsuro Akasaki (8 patents)
- Koichi Niwa (31 patents)
- Jin Sawahata (1 patents)
- Masahiro Nakano (53 patents)
- Motoyuki Suzuki (179 patents)
- Toshiya Sato (61 patents)
US Patent 5600420 · Granted Feb 4, 1997