Assignee
Inventors
- Kenji Susuki (1 patents)
- Seiji Hata (22 patents)
- Yoshien Nishida (2 patents)
- Kyoichi Kawasaki (3 patents)
- Kenjiro Fujii (7 patents)
- Yasunori Shimura (3 patents)
- Shigenori Takeyoshi (2 patents)
US Patent 4737845 · Granted Apr 12, 1988