Assignee
Inventors
- Shin Takanezawa (29 patents)
- Yorio Iwasaki (12 patents)
- Hiroshi Takaahashi (1 patents)
- Toshiro Okamura (33 patents)
- Saburo Amano (1 patents)
- Hiroyoshi Yokoyama (4 patents)
- Noriyoshi Fukuoka (1 patents)
- Tatsuya Amano (5 patents)
US Patent 5053280 · Granted Oct 1, 1991