MM

Masafumi Makino

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HC Hitachi Mito Engineering Co.: 1 patents #14 of 26Top 55%
Overall (All Time): #1,515,948 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8964414 DC power supply including resonant circuit for reducing switching losses Tetsuo Kojima, Yuichiro Nozaki, Takeshi Shinomiya, Tetsu SUGIURA 2015-02-24
8922997 Electric power conversion device Takeshi Shinomiya, Yuichiro Nozaki, Masaomi Konishide, Yasuhiko Kono, Tetsuo Kojima +1 more 2014-12-30
8787042 DC power supply including arrangement to reduce switching loss and a snubber circuit to suppress surge voltages Yuichiro Nozaki, Tetsuo Kojima 2014-07-22