Assignee
Inventors
- Toshio Irie (37 patents)
- Tetsuo Tachibana (28 patents)
- Toshiyuki Hijikata (7 patents)
- Tatsuru Nakagaki (16 patents)
- Masayuki Yamanaka (11 patents)
- Katsutoshi Inoko (6 patents)
- Hiroyuki Suzuki (656 patents)
US Patent 5982413 · Granted Nov 9, 1999