Assignee
Inventors
- Kenji Sameshima (14 patents)
- Tatsuo Makishima (24 patents)
- Tadaaki Hirai (39 patents)
- Yukio Takasaki (39 patents)
- Misao Kubota (8 patents)
- Kenkichi Tanioka (17 patents)
- Keiichi Shidara (22 patents)
US Patent 5384597 · Granted Jan 24, 1995