Inventor · disambiguated record
Naoto Naganuma
Also filed as: NAGANUMA NAOTO
10 granted patents·4 pending applications·113 citations·filing 1983–2021
87Inventor score
Files withPANASONIC IP MAN CO LTD8NAGANUMA NAOTO2MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1NAKAI HIROSHI1NGK SPARK PLUG CO1
Top patents by PatentIndex Score
14 records- 0191USD989650SFlow meterPANASONIC IP MAN CO LTD·Filed 2021·Granted Jun 20, 2023·5 cites·1 claims
- 0291USD989649SFlow meterPANASONIC IP MAN CO LTD·Filed 2021·Granted Jun 20, 2023·4 cites·1 claims
- 0382US6619613B1Gas flow rate controller and gas appliance using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Sep 16, 2003·62 cites·32 claims
- 0481US9528624B2Shutoff valve deviceNAGANUMA NAOTO·Filed 2012·Granted Dec 27, 2016·6 cites·7 claims
- 0581US8176936B2Fluid cutoff device and gas meter with the fluid cutoff deviceNAGANUMA NAOTO·Filed 2009·Granted May 15, 2012·12 cites·13 claims
- 0666US4477487AMethod of producing oxygen concentration cellsNGK SPARK PLUG CO·Filed 1983·Granted Oct 16, 1984·22 cites·6 claims
- 0763US10317263B2Flowmeter having a flow measuring unit and a flow passage member in a single housingPANASONIC IP MAN CO LTD·Filed 2015·Granted Jun 11, 2019·1 cites·11 claims
- 0862US10514286B2Gas flowmeterPANASONIC IP MAN CO LTD·Filed 2015·Granted Dec 24, 2019·1 cites·12 claims
- 0952US12123759B2Ultrasonic flowmeterPANASONIC IP MAN CO LTD·Filed 2020·Granted Oct 22, 2024·0 cites·7 claims
- 1042US2013255786A1Flow control valveNAKAI HIROSHI·Filed 2011·Application pending·0 cites
- 1140US11060895B2Gas meter including a measurement unit in communication with a shutoff valve in an extended section within a meter bodyPANASONIC IP MAN CO LTD·Filed 2018·Granted Jul 13, 2021·0 cites·8 claims
- 1240US2012085947A1Shutoff valve unitYAMAGUCHI MASAKI·Filed 2010·Application pending·0 cites
- 1336US2020149938A1Flow rate measurement unit and gas meter using samePANASONIC IP MAN CO LTD·Filed 2018·Application pending·0 cites
- 1433US2016341584A1Gas flowmeterPANASONIC IP MAN CO LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →