Inventor · disambiguated record
Keiichi Tsurumi
Also filed as: TSURUMI KEIICHI
4 granted patents·43 citations·filing 1987–2017
70Inventor score
Top patents by PatentIndex Score
4 records- 0166US5763962ASemiconductor switch driving circuitECG CO LTD·Filed 1996·Granted Jun 9, 1998·30 cites·7 claims
- 0246US10830300B2Vehicle drum brakeHOSEI BRAKE IND CO LTD·Filed 2017·Granted Nov 10, 2020·0 cites·10 claims
- 0344US4897794AImpulse coil testerEGG CO LTD·Filed 1987·Granted Jan 30, 1990·13 cites·1 claims
- 0429US9051983B2Electric parking brake deviceTSURUMI KEIICHI·Filed 2012·Granted Jun 9, 2015·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →