Inventor · disambiguated record
Yem-Yeu Chang
Also filed as: CHANG YEM-YEU
1 granted patent·5 pending applications·18 citations·filing 2007–2015
39Inventor score
Technology areasG02B
Top patents by PatentIndex Score
6 records- 0175US7927003B2Light guide plate with micro-structured reflective film and light-emitting apparatusIND TECH RES INST·Filed 2008·Granted Apr 19, 2011·18 cites·40 claims
- 0239US2008273143A1Passive optical device and light source moduleIND TECH RES INST·Filed 2007·Application pending·0 cites
- 0335US2008158912A1Light guide plateIND TECH RES INST·Filed 2007·Application pending·0 cites
- 0430US2011141765A1Planar light source module and optical filmIND TECH RES INST·Filed 2010·Application pending·0 cites
- 0526US2008159693A1Coupling deviceCHANG YEM-YEU·Filed 2007·Application pending·0 cites
- 0619US2016238741A1Sapphire substrate and lens and display with the sapphire substrateCRYSTALWISE TECH·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →