Inventor · disambiguated record
Changgua Zhen
Also filed as: ZHEN CHANGGUA
5 granted patents·3 pending applications·1 citations·filing 2005–2020
60Inventor score
Top patents by PatentIndex Score
8 records- 0161US10943781B2Manufacturing method for light emitting device, light emitting device, and hybrid light emitting deviceNAJING TECH CORP LTD·Filed 2017·Granted Mar 9, 2021·1 cites·18 claims
- 0246US11453795B2Ink formulation, optoelectronic devices, and preparation methods of functional layer of optoelectronic devicesNAJING TECH CORP LTD·Filed 2018·Granted Sep 27, 2022·0 cites·19 claims
- 0342US8518559B2Arylamine compounds and electronic devicesCHEN ZHIKUAN·Filed 2006·Granted Aug 27, 2013·0 cites·37 claims
- 0440US2023276685A9Manufacturing method for light emitting device, light emitting device, and hybrid light emitting deviceNAJING TECH CORP LTD·Filed 2020·Application pending·0 cites
- 0538US12193277B2Light-emitting deviceNAJING TECH CORP LTD·Filed 2020·Granted Jan 7, 2025·0 cites·19 claims
- 0638US2022416211A1Light-emitting device, display apparatus, and lighting apparatus having the sameNAJING TECH CORP LTD·Filed 2020·Application pending·0 cites
- 0735US11839886B2Liquid guiding component and using method and application thereofNAJING TECH CORP LTD·Filed 2018·Granted Dec 12, 2023·0 cites·18 claims
- 0833US2009123720A1Solution processed organometallic complexes and their use in electroluminescent devicesCHEN ZHIKUAN·Filed 2005·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →