Inventor · Beijing, CN

Chang Wei

36Patents
9h-index
71Co-inventors
78Inventor score

Filing activity: Apr 6, 1993 → Nov 20, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6304426A Method of making an ultracapacitor electrode Emerging Cross-Sectional Technologies 48 Expired
US6152970A Drying an ultracapacitor Emerging Cross-Sectional Technologies 25 Expired
USD836647S1 Recording medium General 16 Active
US7974076B2 Desalination device and associated method Chemistry; Metallurgy 12 Active
US6084767A Ultracapacitor separator Emerging Cross-Sectional Technologies 11 Expired
US6083341A Method for making coatings of uniform thickness Chemistry; Metallurgy 11 Expired
US6256190A Ultracapacitor electroyte Emerging Cross-Sectional Technologies 11 Expired
US6558437B2 Method of making an ultracapacitor electrode Emerging Cross-Sectional Technologies 9 Expired
US6198620A Ultracapacitor separator Emerging Cross-Sectional Technologies 9 Expired
US6898265B1 Scintillator arrays for radiation detectors and methods of manufacture Physics 8 Expired
USD873820S1 Solid state drive General 7 Active
US6457845B1 Luminaire incorporating containment in the event of non-passive failure of high intensity discharge lamp Mechanical Engineering; Lighting; Heating 7 Expired
US7164134B2 High performance CT reflector for a scintillator array and method for making same Physics 6 Expired
US7813106B2 High current efficiency supercapacitor desalination devices and methods of making the same Chemistry; Metallurgy 6 Active
USD837226S1 Recording medium General 6 Active
US8038867B2 Electrodialysis device and process Emerging Cross-Sectional Technologies 5 Active
US7651810B2 Interconnect supported fuel cell assembly, preform and method of fabrication Emerging Cross-Sectional Technologies 3 Active
US7638216B2 Fuel cell apparatus and associated method Emerging Cross-Sectional Technologies 3 Active
US7311991B2 Hydrogen storage-based electrochemical system and method of preparation Emerging Cross-Sectional Technologies 2 Active
US6466428B1 Ultracapacitor having residual water removed under vacuum Emerging Cross-Sectional Technologies 2 Expired
US5368632A Redox polymer films for metal recovery applications Emerging Cross-Sectional Technologies 2 Expired
US7282294B2 Hydrogen storage-based rechargeable fuel cell system and method Emerging Cross-Sectional Technologies 2 Expired
US7985505B2 Fuel cell apparatus and associated method Emerging Cross-Sectional Technologies 2 Active
US6787264B2 Method for manufacturing fuel cells, and articles made therewith Emerging Cross-Sectional Technologies 1 Expired
US10132145B2 Produced water treatment and solids precipitation from thermal treatment blowdown Chemistry; Metallurgy 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.