SU

Shuichi Umemoto

SC Stanley Electric Co.: 4 patents #170 of 1,072Top 20%
TC Tohoku Ricoh Co.: 4 patents #38 of 204Top 20%
UN Unknown: 4 patents #4,220 of 83,584Top 6%
Micron: 4 patents #2,657 of 6,345Top 45%
Overall (All Time): #1,307,635 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4524413 AC rectifier having semi-conductor active rectifying element Tsuneo Ikenoue, Shin-yng Liu, Naoki Arai 1985-06-18
4513360 DC-DC converter having energy storage inductance element connected in flywheel circuit Tsuneo Ikenoue, Shin-yng Liu, Naoki Arai 1985-04-23
4357654 DC--DC Converter Tsuneo Ikenoue, Shin-yng Liu, Naoki Arai 1982-11-02
4356541 Rectifier Tsuneo Ikenoue, Shin-yng Liu, Naoki Arai 1982-10-26