KA

Keiji Akamatsu

PA Panasonic: 4 patents #179 of 3,035Top 6%
📍 Kasai, JP: #31 of 592 inventorsTop 6%
Overall (2017): #43,783 of 506,227Top 9%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9667159 Power conversion apparatus including a transformer, an invertor circuit and a plurality of switching devices controlled by a controller Takaaki Norisada, Sohei Okamoto, Daisuke Fukuda, Goh Yamada 2017-05-30
9548676 Power conversion apparatus Daisuke Fukuda, Takaaki Norisada 2017-01-17
9543823 Power conversion apparatus having a switching circuit unit that includes a switching device and an auxiliary switching device Goh Yamada, Sohei Okamoto, Daisuke Fukuda, Takaaki Norisada 2017-01-10
9543858 Semiconductor device and inverter using same Osamu Kusumoto, Hideki Nakata, Masao Uchida 2017-01-10