Assignee
Inventors
- Toyoshi Ohashi (5 patents)
- Toshiaki Ishibashi (1 patents)
- Junko Gouda (2 patents)
- Akira Itsubo (8 patents)
- Toshiyuki Koyama (1 patents)
- Masatomi Ozawa (2 patents)
- Katsutosi Iijima (1 patents)
US Patent 5283146 · Granted Feb 1, 1994