Assignee
Inventors
- Hideshi Tanaka (36 patents)
- Hisanori Tsumiyama (4 patents)
- Yoshio Mizuno (55 patents)
- Terumi Ohara (15 patents)
- Toshinori Takahashi (42 patents)
- Shigeru Kato (88 patents)
- Tsutomu Kiuchi (6 patents)
US Patent 4549201 · Granted Oct 22, 1985