Assignee
Inventors
- Yoshihisa Fujiwara (10 patents)
- Akikazu Tanimoto (52 patents)
- Hisakazu Kato (4 patents)
- Manabu Hosoya (4 patents)
- Shinji Miura (9 patents)
- Fuyuhiko Inoue (14 patents)
- Yuichi Aoki (39 patents)
US Patent 4761561 · Granted Aug 2, 1988