Inventor · disambiguated record
Yushi Koyama
Also filed as: KOYAMA YUSHI
8 granted patents·1 pending application·28 citations·filing 2009–2023
81Inventor score
Top patents by PatentIndex Score
9 records- 0184US8472215B2Grid-tie inverter for interconnecting AC voltage to electric power gridKOYAMA YUSHI·Filed 2012·Granted Jun 25, 2013·9 cites·16 claims
- 0282US9257248B2Semiconductor switch and power conversion apparatusMOCHIKAWA HIROSHI·Filed 2012·Granted Feb 9, 2016·7 cites·17 claims
- 0371US9893509B2Semiconductor switch and power conversion apparatusTOSHIBA KK·Filed 2015·Granted Feb 13, 2018·2 cites·5 claims
- 0468US11729544B2Information output deviceSONY GROUP CORP·Filed 2019·Granted Aug 15, 2023·1 cites·15 claims
- 0567US8514596B2System interconnection inverter with bypass pathKOYAMA YUSHI·Filed 2009·Granted Aug 20, 2013·9 cites·10 claims
- 0650US10932029B2HeadphonesSONY CORP·Filed 2018·Granted Feb 23, 2021·0 cites·11 claims
- 0747US9379548B2Multilevel reactive power compensatorTOSHIBA KK·Filed 2013·Granted Jun 28, 2016·0 cites·15 claims
- 0845US2025280220A1Headphones and carrying caseSONY GROUP CORP·Filed 2023·Application pending·0 cites
- 0938US10938319B2Power conversion apparatusTOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORP·Filed 2020·Granted Mar 2, 2021·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →