ET

Etsuo Tsurumi

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,371,931 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4305056 Transformer with gapped core Hideyuki Mochida, Shingo Tamura, Noboru Mitsugi 1981-12-08
4293903 High voltage rectifier for television receiver sets Hideyuki Mochida, Shingo Tamura 1981-10-06