Assignee
Inventors
- Motoshi Kawai (4 patents)
- Noboru Yamamoto (94 patents)
- Katuhisa Mase (1 patents)
- Takeshi Matsui (110 patents)
- Tomoatsu Mikino (1 patents)
- Yoshiyuki Miyase (9 patents)
- Ryoichi Okuda (9 patents)
- Koichi Suzumura (2 patents)
US Patent 4649888 · Granted Mar 17, 1987