Inventor · disambiguated record
Na Ma
Also filed as: MA NA
6 granted patents·1 pending application·5 citations·filing 2009–2016
70Inventor score
Files withALIBABA GROUP HOLDING LTD2LEI GUO PING2BEIJING XIAOMI MOBILE SOFTWARE CO LTD1CHANGCHUN RAILWAY VEHICLES CO1XIAOMI INC1
Top patents by PatentIndex Score
7 records- 0170US9652474B2Providing regional content by matching geographical propertiesALIBABA GROUP HOLDING LTD·Filed 2014·Granted May 16, 2017·3 cites·14 claims
- 0255US8775422B2Determining core geographical information in a documentLEI GUO PING·Filed 2009·Granted Jul 8, 2014·2 cites·20 claims
- 0350US9141642B2Determining core geographical information in a documentALIBABA GROUP HOLDING LTD·Filed 2014·Granted Sep 22, 2015·0 cites·34 claims
- 0449US10755260B2Methods and apparatuses for mailing itemsXIAOMI INC·Filed 2016·Granted Aug 25, 2020·0 cites·6 claims
- 0546US8812536B2Providing regional content by matching geographical propertiesLEI GUO PING·Filed 2009·Granted Aug 19, 2014·0 cites·16 claims
- 0644US10122916B2Object monitoring method and deviceBEIJING XIAOMI MOBILE SOFTWARE CO LTD·Filed 2016·Granted Nov 6, 2018·0 cites·16 claims
- 0733US2013259587A1Processing method for variable depth, deep-hole drilling, chip breaking and removalCHANGCHUN RAILWAY VEHICLES CO·Filed 2013·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Na 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 →