Assignee
Inventors
- Kazuo Nakajima (40 patents)
- Yoshiaki Hirata (2 patents)
- Hiroyuki Uchida (2 patents)
- Yoshie Kimizuka (1 patents)
- Tsutomu Taniguchi (7 patents)
- Akira Obayashi (16 patents)
- Osamu Tanabe (14 patents)
US Patent 4409385 · Granted Oct 11, 1983