Inventor · disambiguated record
Yau-Zen Chang
Also filed as: CHANG YAU-ZEN
2 granted patents·1 pending application·47 citations·filing 2009–2010
59Inventor score
Top patents by PatentIndex Score
3 records- 0175US8298245B2Three-dimensional positioning device for minimally invasive surgeryLI SHIH-TSENG·Filed 2009·Granted Oct 30, 2012·45 cites·10 claims
- 0257US8229167B2Optical tracking device and positioning method thereofLEE SHIH-TSENG·Filed 2010·Granted Jul 24, 2012·2 cites·20 claims
- 0345US2011144748A1Structure of breast augmentation pocketUNIV CHANG GUNG·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →