Inventor · disambiguated record
Chak-Yin Cheng
Also filed as: CHENG CHAK Y · CHENG CHAK-YIN
4 granted patents·43 citations·filing 1995–2020
73Inventor score
Files withUNIVERSAL CANDLE COMPANY LTD3
Top patents by PatentIndex Score
4 records- 0189US9719643B1System for resembling an open candle flameUNIVERSAL CANDLE COMPANY LTD·Filed 2016·Granted Aug 1, 2017·27 cites·8 claims
- 0276US9958123B2System for resembling an open candle flameUNIVERSAL CANDLE COMPANY LTD·Filed 2017·Granted May 1, 2018·4 cites·12 claims
- 0338US5622490ACandle holderFiled 1995·Granted Apr 22, 1997·12 cites·4 claims
- 0433US11009195B2Apparatus for simulating an open candle flameUNIVERSAL CANDLE COMPANY LTD·Filed 2020·Granted May 18, 2021·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →