Inventor · disambiguated record
Mei Yin Chang
Also filed as: CHANG MEI · CHANG MEI-YIN
2 granted patents·1 pending application·69 citations·filing 1989–2020
65Inventor score
Top patents by PatentIndex Score
3 records- 0162US7232444B2Microdermabrasion canister rack systemCHANG MEI YIN·Filed 2003·Granted Jun 19, 2007·54 cites·8 claims
- 0252US2021032753A1Methods and apparatus for dual channel showerheadsAPPLIED MATERIALS INC·Filed 2020·Application pending·0 cites
- 0348US4943997ADevice for communicating a doorside intercom set with a remote telephoneCHANG MEI YIN·Filed 1989·Granted Jul 24, 1990·15 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →