Inventor
NAGAO KATSUHISA
JP28 patents
⚠️ This page may combine multiple inventors who share the name “NAGAO KATSUHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROHM CO LTD
26 patentsUS9601582B2Mar 21, 2017
Semiconductor device
ROHM CO LTD10 citations92
US9224825B2Dec 29, 2015
Semiconductor device
ROHM CO LTD10 citations92
US8563981B2Oct 22, 2013
Semiconductor device
ROHM CO LTD13 citations92
US11355609B2Jun 7, 2022
Semiconductor device
ROHM CO LTD3 citations84
US10797145B2Oct 6, 2020
Semiconductor device
ROHM CO LTD3 citations84
US10475894B2Nov 12, 2019
Semiconductor device
ROHM CO LTD4 citations84
US9911818B2Mar 6, 2018
Semiconductor device
ROHM CO LTD4 citations84
US12313659B2May 27, 2025
SIC semiconductor device with current sensing capability
ROHM CO LTD1 citations74
US10705123B2Jul 7, 2020
SiC semiconductor device with current sensing capability
ROHM CO LTD3 citations73
US10211285B2Feb 19, 2019
Semiconductor device, and method for manufacturing semiconductor device
ROHM CO LTD1 citations73
US9917102B2Mar 13, 2018
Semiconductor device
ROHM CO LTD2 citations72
US12513969B2Dec 30, 2025
Semiconductor device
ROHM CO LTD0 citations62
US12278262B2Apr 15, 2025
Semiconductor device, and method for manufacturing semiconductor device
ROHM CO LTD0 citations62
US12046641B2Jul 23, 2024
SiC semiconductor device with insulating film and organic insulating layer
ROHM CO LTD1 citations62
US11978778B2May 7, 2024
Semiconductor device
ROHM CO LTD0 citations62
US11908868B2Feb 20, 2024
Semiconductor device
ROHM CO LTD0 citations62
US11862672B2Jan 2, 2024
Semiconductor device, and method for manufacturing semiconductor device
ROHM CO LTD0 citations62
US11674983B2Jun 13, 2023
SiC semiconductor device with current sensing capability
ROHM CO LTD0 citations62
US11367738B2Jun 21, 2022
Semiconductor device
ROHM CO LTD0 citations62
US11215647B2Jan 4, 2022
SiC semiconductor device with current sensing capability
ROHM CO LTD0 citations62
US11075263B2Jul 27, 2021
Semiconductor device, and method for manufacturing semiconductor device
ROHM CO LTD0 citations62
US10886300B2Jan 5, 2021
Semiconductor device
ROHM CO LTD0 citations62
US10692978B2Jun 23, 2020
SiC semiconductor device with insulating film and organic insulating layer
ROHM CO LTD1 citations62
US9595584B2Mar 14, 2017
Semiconductor device, and method for manufacturing semiconductor device
ROHM CO LTD1 citations62
US10446657B2Oct 15, 2019
Semiconductor device
ROHM CO LTD0 citations52
US10438971B2Oct 8, 2019
Semiconductor device
ROHM CO LTD0 citations51