Assignee
Inventors
- Yagoro Hirose (2 patents)
- Yoshimitsu Miyagi (2 patents)
- Kiko Hirose (1 patents)
- Mitsuo Hino (5 patents)
- Masayuki Harada (1 patents)
- Takehiko Eto (4 patents)
- Tetsunari Iida (1 patents)
- Masahiro Shimamura (5 patents)
US Patent 4806307 · Granted Feb 21, 1989