Inventor · disambiguated record
Masafumi Kawakami
Also filed as: KAWAKAMI MASAFUMI
12 granted patents·6 pending applications·56 citations·filing 1976–2024
89Inventor score
Top patents by PatentIndex Score
18 records- 0191US12195137B2Power transmission unit for electric bicycles, and electric bicyclePANASONIC IP MAN CO LTD·Filed 2022·Granted Jan 14, 2025·1 cites·16 claims
- 0286US2025091690A1Power transmission unit for electric bicycles, and electric bicyclePANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 0383US9758213B2Electric assist bicyclePANASONIC IP MAN CO LTD·Filed 2013·Granted Sep 12, 2017·17 cites·7 claims
- 0476US12049284B2Motor unit for use in electric bicycles, and electric bicyclePANASONIC IP MAN CO LTD·Filed 2019·Granted Jul 30, 2024·1 cites·26 claims
- 0568US12195136B2Power transmission unit for electric bicycles, and electric bicyclePANASONIC IP MAN CO LTD·Filed 2019·Granted Jan 14, 2025·0 cites·7 claims
- 0668US9434446B2Electric bicycleKAWAKAMI MASAFUMI·Filed 2012·Granted Sep 6, 2016·7 cites·6 claims
- 0761US9381972B2Power-assisted bicyclePANASONIC IP MAN CO LTD·Filed 2015·Granted Jul 5, 2016·2 cites·10 claims
- 0860US2025282444A1Drive unit and electric vehiclePANASONIC IP MAN CO LTD·Filed 2024·Application pending·0 cites
- 0960US2023099314A1Motor unit and electric bicyclePANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 1054US9718514B2Electrically assisted bicycleKAWAKAMI MASAFUMI·Filed 2012·Granted Aug 1, 2017·1 cites·6 claims
- 1152US2023043659A1Motor unit and power-assisted bicyclePANASONIC IP MAN CO LTD·Filed 2022·Application pending·0 cites
- 1250US4476455ATire deflation warning deviceSUMITOMO RUBBER IND·Filed 1981·Granted Oct 9, 1984·11 cites·3 claims
- 1347US2024101220A1Motor unit and electric bicyclePANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 1445USD290828SAutomobile tireSUMITOMO RUBBER IND·Filed 1984·Granted Jul 14, 1987·3 cites·1 claims
- 1545USD289889SAutomobile tireSUMITOMO RUBBER IND·Filed 1984·Granted May 19, 1987·3 cites·1 claims
- 1645USD247892STireDUNLOP LTD·Filed 1976·Granted May 16, 1978·3 cites·1 claims
- 1743US2021214043A1Motor unit and electric bicyclePANASONIC IP MAN CO LTD·Filed 2019·Application pending·0 cites
- 1838US4664167ARadial tire for industrial vehiclesSUMITOMO RUBBER IND·Filed 1985·Granted May 12, 1987·7 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →