KO

Keiji Okumura

FC Fuji Electric Co.: 9 patents #3 of 332Top 1%
Rohm Co.: 2 patents #56 of 293Top 20%
Overall (2020): #7,375 of 565,922Top 2%
11
Patents 2020

Issued Patents 2020

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
10840369 Semiconductor device and method of manufacturing same 2020-11-17
10840340 Silicon carbide semiconductor device and silicon carbide semiconductor circuit device Akimasa Kinoshita 2020-11-17
10833189 Semiconductor device 2020-11-10
10777677 Insulated gate semiconductor device and method of manufacturing same 2020-09-15
10777678 Semiconductor device 2020-09-15
10727318 Semiconductor device VDMOS having a gate insulating film having a high dielectric constant portion contacting the drift region for relaxing an electric field generated in the gate insulating film Mineo Miura, Yuki Nakano, Noriaki Kawamoto, Hidetoshi Abe 2020-07-28
10686066 Semiconductor device and method of manufacturing same 2020-06-16
10672874 Insulated-gate semiconductor device and method of manufacturing the same 2020-06-02
10600864 Semiconductor device Akimasa Kinoshita 2020-03-24
10559552 Semiconductor device comprising PN junction diode and Schottky barrier diode 2020-02-11
10529848 Insulated-gate semiconductor device and method of manufacturing the same 2020-01-07