Assignee
Inventors
- Kazunori Matsubara (13 patents)
- Masanori Yoshizaki (4 patents)
- Takao Mifune (5 patents)
- Kenichi Nakamura (177 patents)
- Yukio Endo (61 patents)
- Hidetoshi Takamatsu (1 patents)
- Unknown
- Takeshi Kawana (7 patents)
US Patent 4543708 · Granted Oct 1, 1985