Assignee
Inventors
- Keiichi Shiokawa (12 patents)
- Hiroshi Tohmatsu (23 patents)
- Yoji Ide (7 patents)
- Yoichi Iwaki (5 patents)
- Shigekazu Teranishi (4 patents)
- Susumu Kawakami (24 patents)
- Hironori Hata (5 patents)
US Patent 5773153 · Granted Jun 30, 1998