Assignee
Inventors
- Motoharu Hagiwara (1 patents)
- Kazumasa Sato (20 patents)
- Isao Tamaki (4 patents)
- Tadao Sasaki (13 patents)
- Yasukazu Sato (2 patents)
- Yoichi Hishijima (2 patents)
- Mitsuru Harada (19 patents)
- Hirokazu Kimura (4 patents)
US Patent 5251076 · Granted Oct 5, 1993