KT

Kenzo Tamaki

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
NP Nippon Telegraph And Telephone Public: 1 patents #297 of 842Top 40%
Overall (All Time): #4,054,080 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4392026 Subscriber line testing system Takafumi Kojima, Shiro Yokota 1983-07-05