Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366347 | Apparatus for selecting terminal equipment in telephone lines | Ken Fujiwara, Jutaro Nomura, Shigeru Okamura | 1982-12-28 |
| 4366572 | Data transmission system | Ken Fujiwara, Sinobu Yanagisawa, Shigeru Okamura | 1982-12-28 |
| 4321429 | Apparatus for selecting terminal equipment in telephone lines | Ken Fujiwara, Sinobu Yanagisawa, Shigeru Okamura | 1982-03-23 |