Inventor · disambiguated record
Hiroto Yamagiwa
Also filed as: YAMAGIWA HIROTO
15 granted patents·6 pending applications·36 citations·filing 2008–2021
88Inventor score
Top patents by PatentIndex Score
21 records- 0188US9502549B2Nitride semiconductor devicePANASONIC IP MAN CO LTD·Filed 2015·Granted Nov 22, 2016·7 cites·11 claims
- 0287US8148752B2Field effect transistorIKOSHI AYANORI·Filed 2011·Granted Apr 3, 2012·14 cites·15 claims
- 0382US12284825B2Semiconductor device including electrodes with identical potentialPANASONIC IP MAN CO LTD·Filed 2020·Granted Apr 22, 2025·1 cites·16 claims
- 0478US9818835B2Semiconductor devicePANASONIC IP MAN CO LTD·Filed 2016·Granted Nov 14, 2017·2 cites·15 claims
- 0573US10083870B2Semiconductor devicePANASONIC IP MAN CO LTD·Filed 2018·Granted Sep 25, 2018·2 cites·20 claims
- 0671US8497553B2Semiconductor deviceYAMAGIWA HIROTO·Filed 2010·Granted Jul 30, 2013·4 cites·18 claims
- 0767US8526207B2Bi-directional switch, alternating-current two-wire switch, switching power source circuit, and method of driving bi-directional switchYAMAGIWA HIROTO·Filed 2011·Granted Sep 3, 2013·3 cites·15 claims
- 0863US8593068B2Two-wire AC switchHASHIZUME SHINGO·Filed 2011·Granted Nov 26, 2013·3 cites·19 claims
- 0956US12074093B2Integrated semiconductor devicePANASONIC IP MAN CO LTD·Filed 2020·Granted Aug 27, 2024·0 cites·16 claims
- 1056US10312339B2Semiconductor devicePANASONIC IP MAN CO LTD·Filed 2017·Granted Jun 4, 2019·0 cites·10 claims
- 1151US12490512B2High voltage nitride semiconductor devicePANASONIC IP MAN CO LTD·Filed 2021·Granted Dec 2, 2025·0 cites·19 claims
- 1250US12439661B2Semiconductor devicePANASONIC IP MAN CO LTD·Filed 2020·Granted Oct 7, 2025·0 cites·13 claims
- 1350US2016035853A1Semiconductor devicePANASONIC IP MAN CO LTD·Filed 2015·Application pending·0 cites
- 1450US2023361179A1Nitride semiconductor devicePANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 1543US7732833B2High-voltage semiconductor switching elementPANASONIC CORP·Filed 2008·Granted Jun 8, 2010·0 cites·36 claims
- 1643US2010213508A1Semiconductor devicePANASONIC CORP·Filed 2009·Application pending·0 cites
- 1741US2009085060A1Semiconductor deviceYAMAGIWA HIROTO·Filed 2008·Application pending·0 cites
- 1841US2010001315A1Semiconductor deviceOKITA MASAAKI·Filed 2009·Application pending·0 cites
- 1937US2011215746A1Semiconductor devicePANASONIC CORP·Filed 2011·Application pending·0 cites
- 2036US8063418B2Semiconductor deviceYAMAGIWA HIROTO·Filed 2010·Granted Nov 22, 2011·0 cites·16 claims
- 2134US9923069B1Nitride semiconductor devicePANASONIC IP MAN CO LTD·Filed 2017·Granted Mar 20, 2018·0 cites·13 claims
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