Inventor · disambiguated record
Hejin Cai
Also filed as: CAI HEJIN
17 granted patents·750 citations·filing 2015–2022
95Inventor score
Files withGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY12GUANGZHOU LANGSDON ELECTRONIC TECH CO LTD3CAI HEJIN2
Top patents by PatentIndex Score
17 records- 0198USD830336SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2018·Granted Oct 9, 2018·134 cites·1 claims
- 0296USD872064SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2018·Granted Jan 7, 2020·70 cites·1 claims
- 0396USD853995SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2019·Granted Jul 16, 2019·62 cites·1 claims
- 0496USD830345SEarphoneCAI HEJIN·Filed 2018·Granted Oct 9, 2018·109 cites·1 claims
- 0595USD876398SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2018·Granted Feb 25, 2020·55 cites·1 claims
- 0695USD829193SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2018·Granted Sep 25, 2018·58 cites·1 claims
- 0794USD852171SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2019·Granted Jun 25, 2019·50 cites·1 claims
- 0894USD755759SIn-ear headphoneCAI HEJIN·Filed 2015·Granted May 10, 2016·71 cites·1 claims
- 0993USD892769SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2018·Granted Aug 11, 2020·44 cites·1 claims
- 1089USD872065SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2018·Granted Jan 7, 2020·31 cites·1 claims
- 1188USD920959SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2019·Granted Jun 1, 2021·27 cites·1 claims
- 1285USD870710SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2018·Granted Dec 24, 2019·23 cites·1 claims
- 1378USD1020706SEarphonesGUANGZHOU LANGSDON ELECTRONIC TECH CO LTD·Filed 2022·Granted Apr 2, 2024·6 cites·1 claims
- 1467USD1022895SEarphone charging caseGUANGZHOU LANGSDON ELECTRONIC TECH CO LTD·Filed 2022·Granted Apr 16, 2024·3 cites·1 claims
- 1552USD865722SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2019·Granted Nov 5, 2019·4 cites·1 claims
- 1647USD929373SEarphoneGUANGZHOU LANSHIDUN ELECTRONIC LTD COMPANY·Filed 2019·Granted Aug 31, 2021·3 cites·1 claims
- 1734USD1080601SEarphone charging caseGUANGZHOU LANGSDON ELECTRONIC TECH CO LTD·Filed 2022·Granted Jun 24, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →