Assignee
Inventors
- Tokio Kohama (77 patents)
- Takeshi Matsui (110 patents)
- Hisasi Kawai (109 patents)
- Akira Nishimatsu (10 patents)
- Toshikazu Ina (36 patents)
- Hidetaka Nohira (31 patents)
- Kiyoshi Kobashi (27 patents)
US Patent 4322799 · Granted Mar 30, 1982