Assignee
Inventors
- Akira Fushida (16 patents)
- Toshikazu Matsui (54 patents)
- Yuuji Hasegawa (8 patents)
- Masahiko Maeda (50 patents)
- Nobuyuki Tsuji (16 patents)
- Akira Horiuchi (4 patents)
- Kazunori Yukitake (1 patents)
US Patent 4652510 · Granted Mar 24, 1987