Inventor
YOSHIHARA KATSUHIKO
JP25 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIHARA KATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROHM CO LTD
20 patentsUS10403561B2Sep 3, 2019
Power module apparatus, cooling structure, and electric vehicle or hybrid electric vehicle
ROHM CO LTD4 citations84
US9490200B2Nov 8, 2016
Semiconductor device
ROHM CO LTD10 citations81
US12424514B2Sep 23, 2025
Power module apparatus, cooling structure, and electric vehicle or hybrid electric vehicle
ROHM CO LTD1 citations75
US11854937B2Dec 26, 2023
Power module apparatus, cooling structure, and electric vehicle or hybrid electric vehicle
ROHM CO LTD1 citations73
US11011454B2May 18, 2021
Power module apparatus, cooling structure, and electric vehicle or hybrid electric vehicle
ROHM CO LTD2 citations73
US9773720B2Sep 26, 2017
Power module and fabrication method for the same
ROHM CO LTD2 citations73
US9721875B2Aug 1, 2017
Power module and fabrication method for the same
ROHM CO LTD4 citations73
US10483216B2Nov 19, 2019
Power module and fabrication method for the same
ROHM CO LTD3 citations72
US11848295B2Dec 19, 2023
Power semiconductor apparatus and fabrication method for the same
ROHM CO LTD1 citations71
US11302665B2Apr 12, 2022
Power semiconductor apparatus and fabrication method for the same
ROHM CO LTD2 citations71
US12400974B2Aug 26, 2025
Semiconductor device
ROHM CO LTD0 citations62
US11955440B2Apr 9, 2024
Semiconductor device with detection conductor
ROHM CO LTD0 citations62
US12191275B2Jan 7, 2025
Power semiconductor apparatus and fabrication method for the same
ROHM CO LTD0 citations60
US10381244B2Aug 13, 2019
Power module and fabrication method for the same
ROHM CO LTD0 citations52
US9881812B2Jan 30, 2018
Power module and fabrication method for the same
ROHM CO LTD0 citations52
US9673128B2Jun 6, 2017
Power module and fabrication method for the same
ROHM CO LTD0 citations52
US12249570B2Mar 11, 2025
Semiconductor device
ROHM CO LTD0 citations51
US12040301B2Jul 16, 2024
Semiconductor device
ROHM CO LTD0 citations51
US11862598B2Jan 2, 2024
Semiconductor device
ROHM CO LTD0 citations51
US10485139B2Nov 19, 2019
Power module, thermal dissipation structure of the power module and contact method of the power module
ROHM CO LTD0 citations41