Inventor · disambiguated record
Masayoshi Koizumi
Also filed as: KOIZUMI MASAYOSHI
15 granted patents·4 pending applications·39 citations·filing 1974–2019
90Inventor score
Files withPANASONIC IP MAN CO LTD14PANASONIC CORP3FUJITSU MEDIA DEVICES LTD1NIPPON DATA RECORDER CO LTD1
Top patents by PatentIndex Score
19 records- 0194US10076966B2Contactless power transmission device, contactless power reception device, and contactless power transmission systemPANASONIC IP MAN CO LTD·Filed 2015·Granted Sep 18, 2018·12 cites·17 claims
- 0289US10766373B2Power-feeding devicePANASONIC IP MAN CO LTD·Filed 2019·Granted Sep 8, 2020·5 cites·7 claims
- 0385US10279692B2Electricity supply device and electricity reception devicePANASONIC IP MAN CO LTD·Filed 2017·Granted May 7, 2019·4 cites·16 claims
- 0476US10576842B2Electricity supply apparatus and electricity reception apparatusPANASONIC IP MAN CO LTD·Filed 2018·Granted Mar 3, 2020·2 cites·10 claims
- 0575US9866036B2Electricity supply device and electricity reception devicePANASONIC IP MAN CO LTD·Filed 2014·Granted Jan 9, 2018·4 cites·16 claims
- 0670US9895988B2Electricity supply device, electricity reception device, and electricity supply systemPANASONIC CORP·Filed 2013·Granted Feb 20, 2018·3 cites·12 claims
- 0769US9905351B2Power supply apparatusPANASONIC CORP·Filed 2013·Granted Feb 27, 2018·3 cites·21 claims
- 0867US9973043B2Contactless power supply device and contactless power receiving devicePANASONIC IP MAN CO LTD·Filed 2014·Granted May 15, 2018·3 cites·17 claims
- 0960US9815380B2Power supply device, power receiving device, and charging systemPANASONIC IP MAN CO LTD·Filed 2014·Granted Nov 14, 2017·2 cites·14 claims
- 1057US10381885B2Power-feeding devicePANASONIC IP MAN CO LTD·Filed 2018·Granted Aug 13, 2019·0 cites·5 claims
- 1154US10170230B2Power supply apparatusPANASONIC IP MAN CO LTD·Filed 2018·Granted Jan 1, 2019·0 cites·20 claims
- 1254US9973040B2Power feeding devicePANASONIC IP MAN CO LTD·Filed 2014·Granted May 15, 2018·0 cites·4 claims
- 1353US10008883B2Noise reducing power feed device, power reception device and power feed methodPANASONIC IP MAN CO LTD·Filed 2014·Granted Jun 26, 2018·1 cites·14 claims
- 1447US2016197487A1Wireless power receiving devicePANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
- 1546US2016114688A1Power feed device and method for acquisition of frequency characteristicsPANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
- 1641US2016052406A1Power supplying device, power receiving device, and power supplying systemPANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
- 1740US9979229B2Power supply apparatusPANASONIC CORP·Filed 2013·Granted May 22, 2018·0 cites·5 claims
- 1832US2004100756A1Aluminum electrolytic capacitorFUJITSU MEDIA DEVICES LTD·Filed 2003·Application pending·0 cites
- 1923US3950784AApparatus for automatically adjusting the playback position of magnetic data recording deviceNIPPON DATA RECORDER CO LTD·Filed 1974·Granted Apr 13, 1976·0 cites·1 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →