Inventor · disambiguated record
Frank Ji Chang
Also filed as: CHANG FRANK · CHANG FRANK J C · CHANG FRANK JI
3 granted patents·1 pending application·3 citations·filing 2000–2022
54Inventor score
Top patents by PatentIndex Score
4 records- 0157US8729822B2LED emitting device and driving method thereofCHUNG JINHWA·Filed 2011·Granted May 20, 2014·1 cites·16 claims
- 0242US6305062B1Preventive maintenance apparatus for CMP top-ring's backing-film and the method thereofWINBOND ELECTRONICS CORP·Filed 2000·Granted Oct 23, 2001·2 cites·6 claims
- 0338US12311960B2Safety supervisor system for vehiclesLHP INC·Filed 2022·Granted May 27, 2025·0 cites·18 claims
- 0431US2001018790A1Preventive maintenance apparatus for CMP top-ring's backing-film and the method thereofWINBOND ELECTRONICS CORP·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →