Inventor · disambiguated record
Yi-Kai Cheng
Also filed as: CHENG YI · CHENG YI-KAI
22 granted patents·5 pending applications·194 citations·filing 2005–2018
95Inventor score
Files withFOXSEMICON INTEGRATED TECH INC15CHUNGHWA PICTURE TUBES LTD3LITE ON TECHNOLOGY CORP3CHEN JYH-LONG1CHENG YI-KAI1
Top patents by PatentIndex Score
27 records- 0191US7123811B1Circular display device with a projective light sourceCHUNGHWA PICTURE TUBES LTD·Filed 2005·Granted Oct 17, 2006·47 cites·9 claims
- 0288US8047699B2Optical lens and illuminating device incorporating the sameFOXSEMICON INTEGRATED TECH INC·Filed 2010·Granted Nov 1, 2011·9 cites·20 claims
- 0387US8262272B2Optical lens and illuminating device incorporating the sameCHENG YI-KAI·Filed 2010·Granted Sep 11, 2012·10 cites·11 claims
- 0487US8016459B2Illuminating device incorporating optical lensFOXSEMICON INTEGRATED TECH INC·Filed 2010·Granted Sep 13, 2011·8 cites·12 claims
- 0584US8047676B2Illuminating deviceFOXSEMICON INTEGRATED TECH INC·Filed 2009·Granted Nov 1, 2011·12 cites·15 claims
- 0684US7753564B2Lampshade and illumination lamp having the sameFOXSEMICON INTEGRATED TECH INC·Filed 2008·Granted Jul 13, 2010·24 cites·15 claims
- 0782US7950825B2Optical lens and illuminating device incorporating the sameFOXSEMICON INTEGRATED TECH INC·Filed 2010·Granted May 31, 2011·5 cites·15 claims
- 0880US7988328B2Optical lens and illuminating device incorporating the sameFOXSEMICON INTEGRATED TECH INC·Filed 2008·Granted Aug 2, 2011·9 cites·4 claims
- 0979US8833978B2Traffic signal light deviceLEOTEK ELECTRONICS CORP·Filed 2012·Granted Sep 16, 2014·6 cites·18 claims
- 1075US7794117B2Lamp cover and illumination lamp having sameFOXSEMICON INTEGRATED TECH INC·Filed 2008·Granted Sep 14, 2010·11 cites·13 claims
- 1172USD608807SOptical lensFOXSEMICON INTEGRATED TECH INC·Filed 2009·Granted Jan 26, 2010·17 cites·1 claims
- 1267US9182340B2Optical measuring apparatus and optical measuring methodLITE ON IT CORP·Filed 2013·Granted Nov 10, 2015·1 cites·21 claims
- 1367US7988334B2Illuminating device with adjustable illumination rangeFOXSEMICON INTEGRATED TECH INC·Filed 2008·Granted Aug 2, 2011·6 cites·10 claims
- 1462USD608806SOptical lensFOXSEMICON INTEGRATED TECH INC·Filed 2009·Granted Jan 26, 2010·11 cites·1 claims
- 1560US8511865B2LED luminaire light redirection shieldTU CHIN-WANG·Filed 2011·Granted Aug 20, 2013·1 cites·29 claims
- 1652US2010002153A1ProjectorCHUNGHWA PICTURE TUBES LTD·Filed 2009·Application pending·0 cites
- 1751US2010014287A1Illuminating device with heat dissipating elementFOXSEMICON INTEGRATED TECH INC·Filed 2009·Application pending·0 cites
- 1851US2016153618A1Light assemblyLITE ON TECHNOLOGY CORP·Filed 2014·Application pending·0 cites
- 1949US10656292B2Water pumping and injecting multi-layered concentric sphere neutron spectrometerUNIV CHENGDU TECHNOLOGY·Filed 2018·Granted May 19, 2020·0 cites·16 claims
- 2047USD611077SOptical lensFOXSEMICON INTEGRATED TECH INC·Filed 2009·Granted Mar 2, 2010·5 cites·1 claims
- 2147USD610599SOptical lensFOXSEMICON INTEGRATED TECH INC·Filed 2009·Granted Feb 23, 2010·5 cites·1 claims
- 2246US7611250B2ProjectorCHUNGHWA PICTURE TUBES LTD·Filed 2005·Granted Nov 3, 2009·0 cites·8 claims
- 2344USD608808SOptical lensFOXSEMICON INTEGRATED TECH INC·Filed 2009·Granted Jan 26, 2010·4 cites·1 claims
- 2442US10008137B2Illuminated sign with compartmented portionLITE ON TECHNOLOGY CORP·Filed 2015·Granted Jun 26, 2018·0 cites·18 claims
- 2540USD609260SOptical lensFOXSEMICON INTEGRATED TECH INC·Filed 2009·Granted Feb 2, 2010·3 cites·1 claims
- 2638US2016215957A1Signal lightLITE ON TECHNOLOGY CORP·Filed 2015·Application pending·0 cites
- 2733US2007081783A1Waveguide device for planar display device and related planar display deviceCHEN JYH-LONG·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →