Assignee
Inventors
- Hirokazu Sakai (2 patents)
- Takayuki Shimizu (189 patents)
- Ryuzo Asano (2 patents)
- Naotoshi Miyahara (3 patents)
- Kiyoshi Furukawa (15 patents)
- Masaaki Nagai (38 patents)
- Hiromasa Honjo (3 patents)
- Hiroyuki Kamibayashi (7 patents)
US Patent 5591522 · Granted Jan 7, 1997