Inventor · disambiguated record
Wenchang Ji
Also filed as: JI WENCHANG
9 granted patents·4 pending applications·260 citations·filing 1997–2021
90Inventor score
Top patents by PatentIndex Score
13 records- 0179US6190436B1Ozone purification processBOC GROUP INC·Filed 1999·Granted Feb 20, 2001·42 cites·33 claims
- 0278US11071782B2Method of filling a container with no headspaceCOHERUS BIOSCIENCES INC·Filed 2017·Granted Jul 27, 2021·2 cites·8 claims
- 0378US6197091B1Ozone purification processBOC GROUP INC·Filed 1999·Granted Mar 6, 2001·52 cites·22 claims
- 0477US6065306AMethod and apparatus for purifying ammoniaBOC GROUP INC·Filed 1998·Granted May 23, 2000·34 cites·16 claims
- 0576US6117328AAdsorbent-filled membranes for pervaporationUS ENV PROTECTION AGENCY·Filed 1997·Granted Sep 12, 2000·56 cites·8 claims
- 0668US6125638AOptical fiber cooling processBOC GROUP INC·Filed 1998·Granted Oct 3, 2000·38 cites·30 claims
- 0767US11576971B2Method of filling a container with no headspaceCOHERUS BIOSCIENCES INC·Filed 2021·Granted Feb 14, 2023·0 cites·13 claims
- 0861US6017382AMethod of processing semiconductor manufacturing exhaust gasesBOC GROUP INC·Filed 1998·Granted Jan 25, 2000·27 cites·13 claims
- 0954US6364932B1Cold gas-dynamic spraying processBOC GROUP INC·Filed 2000·Granted Apr 2, 2002·9 cites·20 claims
- 1052US2023071627A1Multivariate Bracketing Approach for Sterile Filter ValidationAMGEN INC·Filed 2021·Application pending·0 cites
- 1144US2018043020A1Method of reducing immunogenicity of drug productsCOHERUS BIOSCIENCES INC·Filed 2017·Application pending·0 cites
- 1243US2005034479A1Process and apparatus for enriching ammoniaBOC GROUP INC·Filed 2004·Application pending·0 cites
- 1339US2002178913A1Helium recovery processFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →