Assignee
Inventors
- Hisasi Kawai (109 patents)
- Toshikazu Ina (36 patents)
- Toshihiko Igashira (85 patents)
- Ken Nomura (39 patents)
- Masakazu Yoshida (52 patents)
- Takao Komoda (7 patents)
- Makio Hamanishi (1 patents)
US Patent 4522177 · Granted Jun 11, 1985