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Keishirou Kumada

FC Fuji Electric Co.: 4 patents #13 of 300Top 5%
Overall (2021): #46,180 of 548,734Top 9%
4
Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11145724 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device Yuichi HASHIZUME, Yasuyuki Hoshi, Yoshihisa Suzuki 2021-10-12
11121248 Semiconductor device Yoshihisa Suzuki, Yasuyuki Hoshi, Yuichi HASHIZUME 2021-09-14
10991821 Semiconductor device and method of manufacturing semiconductor device Yasuyuki Hoshi, Yuichi HASHIZUME 2021-04-27
10930775 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device Yasuyuki Hoshi, Yuichi HASHIZUME 2021-02-23