Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271513 | Method and apparatus for carrying out loopback test | Hiroshi Maejima, Noriaki Fujimura, Takahiro Shibuya | 1981-06-02 |
SA
Shigeyuki Akagi
Nippon Electric Co.: 1 patents #251 of 792Top 35%
Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
Overall (All Time): #4,090,818 of 4,157,543Top 100%
1
Patents All Time