Inventor · disambiguated record
Yichun Ma
Also filed as: MA YICHUN
9 granted patents·4 pending applications·58 citations·filing 2014–2024
86Inventor score
Top patents by PatentIndex Score
13 records- 0196US9872429B2Grass trimmer and cord delivering method of grass trimmerPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2016·Granted Jan 23, 2018·19 cites·15 claims
- 0295US10314228B2Grass trimmer and cord delivering method of grass trimmerPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2016·Granted Jun 11, 2019·15 cites·20 claims
- 0395US9833884B2Power tool and operating method for use on the power toolPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2014·Granted Dec 5, 2017·12 cites·32 claims
- 0486US11027453B2Cutting toolPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2018·Granted Jun 8, 2021·3 cites·12 claims
- 0585US10093004B2Power tool and operating method for use on the power toolPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2017·Granted Oct 9, 2018·3 cites·20 claims
- 0665US10939613B2Grass trimmer and cord delivering method of grass trimmerPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2019·Granted Mar 9, 2021·1 cites·22 claims
- 0765US10512971B2Power tool and operation method for quick locking and releasing working attachment thereofPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2014·Granted Dec 24, 2019·4 cites·26 claims
- 0862US2024206696A1Cleaning robot maintenance system and control method thereforPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2023·Application pending·0 cites
- 0961US2024277201A1Cleaning robotPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2024·Application pending·0 cites
- 1054US10315292B2Power toolPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2014·Granted Jun 11, 2019·1 cites·8 claims
- 1148US2022297209A1Cutting toolPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2022·Application pending·0 cites
- 1243US10888988B2Power toolPOSITEC POWER TOOLS SUZHOU CO LTD·Filed 2016·Granted Jan 12, 2021·0 cites·18 claims
- 1343US2016031068A1Screw holding device and screwdriverPOSITEC POWER TOOLS SUZHOU CO·Filed 2015·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yichun Ma files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →