Assignee
Inventors
- Hiroo Utsumi (7 patents)
- Yukio Sakakibara (6 patents)
- Teruyoshi Ito (9 patents)
- Toshiharu Iwata (26 patents)
- Jun Ohta (27 patents)
- Kiyokane Kazi (1 patents)
- Osamu Hori (63 patents)
- Mitsuyuki Banno (4 patents)
US Patent 4429565 · Granted Feb 7, 1984