Assignee
Inventors
- Toshiyuki Hijikata (7 patents)
- Tetsuo Tachibana (28 patents)
- Toshio Irie (37 patents)
- Tatsuru Nakagaki (16 patents)
- Masayuki Yamanaka (11 patents)
- Katsutoshi Inoko (6 patents)
- Takashi Hatano (34 patents)
US Patent 5864537 · Granted Jan 26, 1999