KO

Keiji Okumura

FC Fuji Electric Co.: 39 patents #25 of 2,643Top 1%
Rohm Co.: 23 patents #78 of 2,292Top 4%
KS Kyocera Document Solutions: 9 patents #363 of 1,545Top 25%
KM Kyocera Mita: 8 patents #51 of 763Top 7%
MC Mita Industrial Co.: 5 patents #283 of 891Top 35%
UA University Of Arkansas: 1 patents #209 of 525Top 40%
OL Olympus: 1 patents #2,078 of 3,097Top 70%
OS Olympus Medical Systems: 1 patents #501 of 833Top 65%
Overall (All Time): #19,549 of 4,157,543Top 1%
86
Patents All Time

Issued Patents All Time

Showing 1–25 of 86 patents

Patent #TitleCo-InventorsDate
12341135 Semiconductor device comprising PN junction diode and Schottky barrier diode 2025-06-24
12272748 Semiconductor device having base region beneath trench gate 2025-04-08
12272746 Semiconductor device 2025-04-08
12074200 Insulated-gate semiconductor device and method of manufacturing the same 2024-08-27
12040361 Semiconductor device 2024-07-16
11984498 Semiconductor device and method of manufacturing same 2024-05-14
11908929 Semiconductor device 2024-02-20
11894349 Semiconductor device comprising PN junction diode and Schottky barrier diode 2024-02-06
11798993 Insulated-gate semiconductor device and method of manufacturing the same 2023-10-24
11695045 Silicon carbide semiconductor device and silicon carbide semiconductor circuit device Akimasa Kinoshita 2023-07-04
11637199 Semiconductor device and method of manufacturing semiconductor device 2023-04-25
11631668 Current concentration-suppressed electronic circuit, and semiconductor module and semiconductor apparatus containing the same 2023-04-18
11610969 Insulated-gate semiconductor device 2023-03-21
11502063 Semiconductor device comprising PN junction diode and Schottky barrier diode 2022-11-15
11489071 Semiconductor device 2022-11-01
11430714 Semiconductor device 2022-08-30
11410892 Semiconductor device and method of inspecting semiconductor device 2022-08-09
11329151 Insulated-gate semiconductor device and method of manufacturing the same Akimasa Kinoshita, Yasuhiko Oonishi 2022-05-10
11276757 Silicon carbide semiconductor device and method of manufacturing the same 2022-03-15
11257945 Semiconductor device and method of manufacturing semiconductor device 2022-02-22
11177350 Insulated-gate semiconductor device and method of manufacturing the same 2021-11-16
11164859 Semiconductor device 2021-11-02
11139377 Method of manufacturing silicon carbide semiconductor device 2021-10-05
11139376 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device Akimasa Kinoshita 2021-10-05
11114560 Silicon carbide semiconductor device and method of manufacturing silicon carbide semiconductor device 2021-09-07