Assignee
Inventors
- Isamu Akasaki (66 patents)
- Masaaki Ohsima (2 patents)
- Nobuhide Matsuda (6 patents)
- Michio Matsuki (3 patents)
- Yoshio Tsukamoto (6 patents)
- Hiromichi Kagi (1 patents)
- Hidehalu Fukazawa (1 patents)
US Patent 4325070 · Granted Apr 13, 1982