Assignee
Inventors
- Setsuo Tamura (6 patents)
- Kenjiro Motonaga (3 patents)
- Takumi Mizokawa (16 patents)
- Kozo Tanaka (11 patents)
- Katsumi Kawashima (2 patents)
- Takaaki Hiwatashi (1 patents)
- Takayuki Sugahara (133 patents)
US Patent 4541572 · Granted Sep 17, 1985