Assignee
Inventors
- Eiichi Kubo (16 patents)
- Yoshihiro Kammuri (2 patents)
- Koichi Nagaoka (11 patents)
- Takeshi Kitahara (58 patents)
- Yoshiki Miyahara (8 patents)
- Syunichi Kiriyama (3 patents)
- Yasunobu Mishima (7 patents)
US Patent 4981749 · Granted Jan 1, 1991