Inventor · disambiguated record
So Watanabe
Also filed as: WATANABE SO
5 granted patents·6 pending applications·12 citations·filing 2010–2025
71Inventor score
Files withHITACHI POWER SEMICONDUCTOR DEVICE LTD3HITACHI LTD2SHIRAISHI MASAKI2WATANABE SO2HITACHI ASTEMO LTD1
Top patents by PatentIndex Score
11 records- 0176US8546847B2Semiconductor device and power conversion apparatus using the sameWATANABE SO·Filed 2010·Granted Oct 1, 2013·5 cites·21 claims
- 0276US2025234600A1Semiconductor device and power conversion deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2025·Application pending·0 cites
- 0374US9082814B2Semiconductor devices and power conversion systemsSHIRAISHI MASAKI·Filed 2012·Granted Jul 14, 2015·4 cites·30 claims
- 0474US2025389321A1Rotational body drive device and position sensor unit used in samePANASONIC IP MAN CO LTD·Filed 2025·Application pending·0 cites
- 0568US8653588B2Semiconductor device and electric power conversion system using the sameWATANABE SO·Filed 2012·Granted Feb 18, 2014·3 cites·10 claims
- 0661US12300716B2Semiconductor device and power conversion deviceHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2020·Granted May 13, 2025·0 cites·8 claims
- 0747US8809903B2Semiconductor device and power conversion apparatus using the sameHITACHI LTD·Filed 2013·Granted Aug 19, 2014·0 cites·17 claims
- 0846US2025180612A1Current detection device and power conversion device for power deviceHITACHI ASTEMO LTD·Filed 2022·Application pending·0 cites
- 0941US2016020309A1Semiconductor device and power conversion device using sameHITACHI POWER SEMICONDUCTOR DEVICE LTD·Filed 2013·Application pending·0 cites
- 1038US2025070636A1Driving device of semiconductor switching element and power conversion deviceHITACHI LTD·Filed 2022·Application pending·0 cites
- 1134US2012273897A1Semiconductor Device and Electric Power Conversion Device Using SameSHIRAISHI MASAKI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →