Assignee
Inventors
- Tetsuo Takematsu (65 patents)
- Makoto Konnai (22 patents)
- Hideo Morinaka (7 patents)
- Yuji Nonaka (20 patents)
- Akira Nakanishi (18 patents)
- Kenji Tsuzuki (18 patents)
- Mitsuyuki Hashihama (1 patents)
- Takeshi Uwotani (1 patents)
US Patent 4554015 · Granted Nov 19, 1985