Assignee
Inventors
- Kenichi Nagai (25 patents)
- Kenji Yasuda (97 patents)
- Toshio Hama (11 patents)
- Yoshitoshi Sekiguchi (13 patents)
- Toshio Tachibana (2 patents)
- Osamu Nakanishi (5 patents)
- Tadashi Moriyama (2 patents)
US Patent 5597451 · Granted Jan 28, 1997