FK

Fumio Kajiyama

TC Tokyo Gas Co.: 2 patents #79 of 412Top 20%
Overall (All Time): #1,973,787 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9568412 Method and instrumentation for measuring and assessing AC corrosion risk of pipeline — 2017-02-14
6160403 Evaluation methods and instrumentation with steel probes used for cathodic protection of underground pipelines — 2000-12-12