Assignee
Inventors
- Hideoki Matsuoka (28 patents)
- Takashi Oka (25 patents)
- Masanori Mizote (16 patents)
- Kiyoshi Yamaki (32 patents)
- Hiroyuki Nomura (41 patents)
- Takaaki Mogi (9 patents)
- Akitoshi Mimura (4 patents)
US Patent 4267494 · Granted May 12, 1981