KO

Keiji Okumura

FC Fuji Electric Co.: 7 patents #5 of 300Top 2%
Rohm Co.: 1 patents #83 of 286Top 30%
Overall (2021): #12,671 of 548,734Top 3%
8
Patents 2021

Issued Patents 2021

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
11177350 Insulated-gate semiconductor device and method of manufacturing the same 2021-11-16
11164859 Semiconductor device 2021-11-02
11139376 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device Akimasa Kinoshita 2021-10-05
11139377 Method of manufacturing silicon carbide semiconductor device 2021-10-05
11114560 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device 2021-09-07
11063123 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device Shin'ichi Nakamata, Masanobu Iwaya 2021-07-13
10998410 Semiconductor device 2021-05-04
10896896 Semiconductor device comprising PN junction diode and schottky barrier diode 2021-01-19