Inventor · disambiguated record
Han-Wen Chang
Also filed as: CHANG HAN-WEN
4 granted patents·5 pending applications·1 citations·filing 2013–2019
55Inventor score
Files withLI HONG SCIENCE & TECH CO LTD5LI HONG SCIENCE & TECHNOLOGY CO LTD3LI HONG TECHNOLOGICAL CO LTD1
Top patents by PatentIndex Score
9 records- 0152US9464789B2Modular LED explosion-proof lampLI-HONG SCIENCE & TECH CO LTD·Filed 2014·Granted Oct 11, 2016·1 cites·10 claims
- 0246US9482420B2LED explosion-proof lamp coupling structureLI-HONG SCIENCE & TECH CO LTD·Filed 2014·Granted Nov 1, 2016·0 cites·20 claims
- 0344US9702536B2Explosion-proof lamp cable glandLI-HONG SCIENCE & TECH CO LTD·Filed 2014·Granted Jul 11, 2017·0 cites·4 claims
- 0444US2014211474A1Energy-saving and explosion-proof led lampLI HONG TECHNOLOGICAL CO LTD·Filed 2013·Application pending·0 cites
- 0542US2016018096A1Heat dissipation structure for led explosion-proof lampLI HONG SCIENCE & TECHNOLOGY CO LTD·Filed 2014·Application pending·0 cites
- 0641US2016003703A1Method for testing led explosion-proof lamp chamber and structure thereofLI HONG SCIENCE & TECHNOLOGY CO LTD·Filed 2014·Application pending·0 cites
- 0741US2015285480A1Led explosion-proof lampLI HONG SCIENCE & TECHNOLOGY CO LTD·Filed 2014·Application pending·0 cites
- 0839US2019277581A1Heat pipe envelope of heat exchangerLI HONG SCIENCE & TECH CO LTD·Filed 2019·Application pending·0 cites
- 0930US9970642B2Anti-explosion LED lamp housingLI HONG SCIENCE & TECH CO LTD·Filed 2016·Granted May 15, 2018·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →