Inventor · disambiguated record
Masahiro Kumagawa
Also filed as: KUMAGAWA MASAHIRO
10 granted patents·2 pending applications·28 citations·filing 2004–2019
82Inventor score
Top patents by PatentIndex Score
12 records- 0183US11205166B2Wireless reading system, shopping assistance system with the same, wireless reading method and shopping assistance methodPANASONIC IP MAN CO LTD·Filed 2018·Granted Dec 21, 2021·4 cites·18 claims
- 0279US11893563B2Reading system, shopping assistance system, reading method, and programPANASONIC IP MAN CO LTD·Filed 2019·Granted Feb 6, 2024·2 cites·19 claims
- 0379US7245890B2High frequency variable gain amplification device, control device, high frequency variable gain frequency-conversion device, and communication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 17, 2007·19 cites·15 claims
- 0457US9479127B2Power amplification apparatus and control methodPANASONIC CORP·Filed 2015·Granted Oct 25, 2016·1 cites·4 claims
- 0557US9209750B2Harmonic rejection mixerPANASONIC CORP·Filed 2013·Granted Dec 8, 2015·1 cites·6 claims
- 0657US9112482B2ReceiverPANASONIC CORP·Filed 2013·Granted Aug 18, 2015·1 cites·6 claims
- 0752US2020242580A1Shopping assistance system, shopping assistance method, and programPANASONIC IP MAN CO LTD·Filed 2018·Application pending·0 cites
- 0848US9148089B2Transmitting apparatus and transmission methodPANASONIC CORP·Filed 2014·Granted Sep 29, 2015·0 cites·8 claims
- 0946US2019362109A1Information acquisition system, shopping assistance system, information acquisition device, and shopping assistance methodPANASONIC IP MAN CO LTD·Filed 2019·Application pending·0 cites
- 1044US10769917B2Wireless communications system and method for controlling communications terminalPANASONIC IP MAN CO LTD·Filed 2019·Granted Sep 8, 2020·0 cites·14 claims
- 1138US9331635B2Quadrature modulatorPANASONIC CORP·Filed 2015·Granted May 3, 2016·0 cites·10 claims
- 1236US9240812B2Power amplification device and transmitterPANASONIC CORP·Filed 2015·Granted Jan 19, 2016·0 cites·12 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →