KI

Kazuya Ishioka

Sumitomo Electric Industries: 3 patents #7,735 of 21,551Top 40%
Overall (All Time): #1,532,256 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8766699 Switching circuit Kazuhiro Fujikawa, Nobuo Shiga, Takashi Ohira, Kazuyuki Wada 2014-07-01
8760223 Switching circuit Kazuhiro Fujikawa, Nobuo Shiga, Takashi Ohira, Kazuyuki Wada 2014-06-24
8536930 Switching circuit Satoshi Hatsukawa, Nobuo Shiga, Kazuhiro Fujikawa, Takashi Ohira, Kazuyuki Wada +2 more 2013-09-17