Assignee
Inventors
- Katsuaki Karasawa (4 patents)
- Hideyuki Shoji (18 patents)
- Tomoo Kasuo (8 patents)
- Kazunori Kita (46 patents)
- Syunichi Matsumoto (2 patents)
- Keisuke Tonomura (3 patents)
- Narutoshi Minami (5 patents)
US Patent 4786900 · Granted Nov 22, 1988