Inventor · disambiguated record
Chang-Da Tsai
Also filed as: TSAI CHANG-DA · WANG KWANG-RU
13 granted patents·7 pending applications·230 citations·filing 1996–2024
92Inventor score
Top patents by PatentIndex Score
20 records- 0190US6716654B2Light-emitting diode with enhanced brightness and method for fabricating the sameOPTO TECH CORP·Filed 2002·Granted Apr 6, 2004·64 cites·9 claims
- 0288US6809341B2Light-emitting diode with enhanced brightness and method for fabricating the sameOPTO TECH UNIVERSITY·Filed 2003·Granted Oct 26, 2004·63 cites·10 claims
- 0383US11688825B2Composite substrate and light-emitting diodeIND TECH RES INST·Filed 2020·Granted Jun 27, 2023·1 cites·20 claims
- 0479US8283683B2Chip-bonding light emitting diode chipTSAI CHANG-DA·Filed 2009·Granted Oct 9, 2012·12 cites·10 claims
- 0579US6903381B2Light-emitting diode with cavity containing a fillerOPTO TECH CORP·Filed 2003·Granted Jun 7, 2005·29 cites·14 claims
- 0675US6603151B2Method and structure for packaging a high efficiency electro-optics deviceOPTO TECH CORP·Filed 2002·Granted Aug 5, 2003·24 cites·20 claims
- 0773US6686218B2Method for packaging a high efficiency electro-optics deviceOPTO TECH CORP·Filed 2003·Granted Feb 3, 2004·20 cites·20 claims
- 0859US2024290902A1Photo-detecting deviceEPISTAR CORP·Filed 2024·Application pending·0 cites
- 0956US2025089400A1Light emitting deviceEPISTAR CORP·Filed 2023·Application pending·0 cites
- 1054US11233173B2Ultraviolet c light-emitting diodeIND TECH RES INST·Filed 2020·Granted Jan 25, 2022·0 cites·20 claims
- 1150US6717711B2Structure and method for forming a high efficiency electro-optics deviceOPTO TECH CORP·Filed 2002·Granted Apr 6, 2004·4 cites·29 claims
- 1244US2017314131A1Gas distributing injector applied in mocvd reactorHERMES-EPITEK CORP·Filed 2017·Application pending·0 cites
- 1343US8592234B2Method for manufacturing a LEDTSAI CHANG-DA·Filed 2012·Granted Nov 26, 2013·0 cites·6 claims
- 1441US2007290221A1Light emitting diode and manufacturing method of the sameOPTO TECH CORP·Filed 2007·Application pending·0 cites
- 1541US2008105863A1Light emitting diode and manufacturing method of the sameOPTO TECH CORP·Filed 2007·Application pending·0 cites
- 1638US2021111310A1Light emitting chip and associated package structureOPTO TECH CORP·Filed 2020·Application pending·0 cites
- 1735US5952885ACurrent-to-voltage converter with highpass filter functionNAT SCIENCE COUNCIL·Filed 1997·Granted Sep 14, 1999·6 cites·1 claims
- 1831US2019355888A1Light emitting chip and associated package structureOPTO TECH CORP·Filed 2018·Application pending·0 cites
- 1929US5701100ASecond-order highpass difference filterNAT SCIENCE COUNCIL·Filed 1996·Granted Dec 23, 1997·3 cites·2 claims
- 2028US5952878ASecond order differential highpass filterNAT SCIENCE COUNCIL·Filed 1998·Granted Sep 14, 1999·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →