Assignee
Inventors
- Osamu Ohnishi (17 patents)
- Sadayuki Takahashi (13 patents)
- Osamu Myohga (13 patents)
- Tadao Uchikawa (8 patents)
- Takeshi Inoue (133 patents)
- Isao Kagaya (1 patents)
- Sadayuki Ueha (12 patents)
US Patent 4965482 · Granted Oct 23, 1990