Assignee
Inventors
- Nobuo Nakayama (3 patents)
- Yukio Makita (1 patents)
- Haruo Kawasaki (12 patents)
- Yoshihiro Sashikawa (1 patents)
- Satoru Umino (2 patents)
- Shinsuke Tajiri (6 patents)
- Tetsuya Miyao (5 patents)
- Shozo Iwamoto (5 patents)
US Patent 4722058 · Granted Jan 26, 1988