Inventor · disambiguated record

Ying-Yu Chang

Also filed as: CHANG YING-YU

2 granted patents·0 citations·filing 2011–2014

28Inventor score

Technology areasG02B

Files withCHENG TSUNG-DAR1 IND TECH RES INST1

Top patents by PatentIndex Score

2 records

0152US9190547B2Photo-electric device with inverse pyramid shaped recessesIND TECH RES INST·Filed 2014·Granted Nov 17, 2015·0 cites·4 claims
0242US8919974B2Multi-reflection structure and photo-electric deviceCHENG TSUNG-DAR·Filed 2011·Granted Dec 30, 2014·0 cites·17 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →