Assignee
Inventors
- Masuo Oku (53 patents)
- Yukio Fujii (23 patents)
- Masaru Takahashi (180 patents)
- Kenji Ichige (7 patents)
- Keizo Nishimura (50 patents)
- Atsuo Suga (13 patents)
- Shigemitsu Higuchi (42 patents)
- Tomohide Sorihashi (2 patents)
US Patent 5636316 · Granted Jun 3, 1997