Inventor · disambiguated record
Katsuhiko Yoshihara
Also filed as: YOSHIHARA KATSUHIKO
25 granted patents·5 pending applications·81 citations·filing 1974–2025
94Inventor score
Files withROHM CO LTD25FUJI ELEC DEVICE TECH CO LTD1KANEGAFUCHI CHEMICAL IND1NIDEC CORP1TSURUOKA JUNJI1
Top patents by PatentIndex Score
30 records- 0195US12424514B2Power module apparatus, cooling structure, and electric vehicle or hybrid electric vehicleROHM CO LTD·Filed 2023·Granted Sep 23, 2025·1 cites·21 claims
- 0294US2025385160A1Power module apparatus, cooling structure, and electric vehicle or hybrid electric vehicleROHM CO LTD·Filed 2025·Application pending·0 cites
- 0391US9490200B2Semiconductor deviceROHM CO LTD·Filed 2015·Granted Nov 8, 2016·10 cites·12 claims
- 0489US10403561B2Power module apparatus, cooling structure, and electric vehicle or hybrid electric vehicleROHM CO LTD·Filed 2018·Granted Sep 3, 2019·4 cites·20 claims
- 0588US9147666B2Semiconductor deviceYOSHIHARA KATSUHIKO·Filed 2010·Granted Sep 29, 2015·17 cites·20 claims
- 0687US11848295B2Power semiconductor apparatus and fabrication method for the sameROHM CO LTD·Filed 2022·Granted Dec 19, 2023·1 cites·15 claims
- 0787US2025364438A1Semiconductor deviceROHM CO LTD·Filed 2025·Application pending·0 cites
- 0885US11854937B2Power module apparatus, cooling structure, and electric vehicle or hybrid electric vehicleROHM CO LTD·Filed 2020·Granted Dec 26, 2023·1 cites·18 claims
- 0984US11011454B2Power module apparatus, cooling structure, and electric vehicle or hybrid electric vehicleROHM CO LTD·Filed 2019·Granted May 18, 2021·2 cites·18 claims
- 1084US9721875B2Power module and fabrication method for the sameROHM CO LTD·Filed 2016·Granted Aug 1, 2017·4 cites·17 claims
- 1181US12400974B2Semiconductor deviceROHM CO LTD·Filed 2024·Granted Aug 26, 2025·0 cites·18 claims
- 1279US11302665B2Power semiconductor apparatus and fabrication method for the sameROHM CO LTD·Filed 2019·Granted Apr 12, 2022·2 cites·19 claims
- 1379US10483216B2Power module and fabrication method for the sameROHM CO LTD·Filed 2016·Granted Nov 19, 2019·3 cites·18 claims
- 1479US10389265B2Module, and power conversion apparatus and motor using the moduleNIDEC CORP·Filed 2015·Granted Aug 20, 2019·4 cites·15 claims
- 1579US7944042B2Semiconductor device and method of manufacturing sameFUJI ELEC DEVICE TECH CO LTD·Filed 2008·Granted May 17, 2011·12 cites·10 claims
- 1678US12191275B2Power semiconductor apparatus and fabrication method for the sameROHM CO LTD·Filed 2023·Granted Jan 7, 2025·0 cites·29 claims
- 1775US9773720B2Power module and fabrication method for the sameROHM CO LTD·Filed 2016·Granted Sep 26, 2017·2 cites·21 claims
- 1873US8710666B2Semiconductor device and method for fabricating the sameTSURUOKA JUNJI·Filed 2010·Granted Apr 29, 2014·5 cites·6 claims
- 1968US3960787AProcess for preparing foamable synthetic resin granulesKANEGAFUCHI CHEMICAL IND·Filed 1974·Granted Jun 1, 1976·13 cites·13 claims
- 2063US2024379510A1Circuit component, electronic device and method for producing circuit componentROHM CO LTD·Filed 2024·Application pending·0 cites
- 2162US2024304589A1Semiconductor deviceROHM CO LTD·Filed 2024·Application pending·0 cites
- 2260US11955440B2Semiconductor device with detection conductorROHM CO LTD·Filed 2019·Granted Apr 9, 2024·0 cites·16 claims
- 2354US10381244B2Power module and fabrication method for the sameROHM CO LTD·Filed 2017·Granted Aug 13, 2019·0 cites·29 claims
- 2453US11862598B2Semiconductor deviceROHM CO LTD·Filed 2021·Granted Jan 2, 2024·0 cites·20 claims
- 2552US12249570B2Semiconductor deviceROHM CO LTD·Filed 2021·Granted Mar 11, 2025·0 cites·20 claims
- 2649US9881812B2Power module and fabrication method for the sameROHM CO LTD·Filed 2016·Granted Jan 30, 2018·0 cites·20 claims
- 2747US12040301B2Semiconductor deviceROHM CO LTD·Filed 2019·Granted Jul 16, 2024·0 cites·19 claims
- 2847US2023077964A1Semiconductor device and method for manufacturing semiconductor deviceROHM CO LTD·Filed 2021·Application pending·0 cites
- 2945US9673128B2Power module and fabrication method for the sameROHM CO LTD·Filed 2016·Granted Jun 6, 2017·0 cites·21 claims
- 3043US10485139B2Power module, thermal dissipation structure of the power module and contact method of the power moduleROHM CO LTD·Filed 2018·Granted Nov 19, 2019·0 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →