Assignee
Inventors
- Toshinari Ando (13 patents)
- Masataka Nishi (16 patents)
- Susumu Shimamoto (11 patents)
- Hiromichi Yoshida (32 patents)
- Takashi Suzumura (9 patents)
- Kimio Kakizaki (4 patents)
- Ryozo Yamagishi (1 patents)
- Hisanao Ogata (13 patents)
US Patent 4371741 · Granted Feb 1, 1983