Assignee
Inventors
- Tamio Okada (6 patents)
- Hideo Yoshikawa (26 patents)
- Tomohiro HATANAKA (2 patents)
- Michio Matsuura (36 patents)
- Toshiaki Sano (28 patents)
- Masato Yoshida (128 patents)
- Hiroshi Goda (1 patents)
US Patent 5810907 · Granted Sep 22, 1998