Assignee
Inventors
- Kazushige Uenaka (15 patents)
- Shinichi Kashiwagi (10 patents)
- Toshiro Tahara (13 patents)
- Kazuo Shirasu (2 patents)
- Yoshio Usui (6 patents)
- Akira Abe (163 patents)
- Fumio Nakagawa (10 patents)
- Tetsuya Masuda (62 patents)
US Patent 4367941 · Granted Jan 11, 1983