Assignee
Inventors
- Hiroyuki Nomura (41 patents)
- Takaaki Mogi (9 patents)
- Teruo Kawasaki (19 patents)
- Masanori Mizote (16 patents)
- Kiyoshi Yamaki (32 patents)
- Takashi Oka (25 patents)
- Hideoki Matsuoka (28 patents)
US Patent 4244514 · Granted Jan 13, 1981