Inventor · disambiguated record
Wan-Kei Wan
Also filed as: WAN WAN · WAN WAN-KEI
7 granted patents·7 pending applications·200 citations·filing 1988–2025
86Inventor score
Top patents by PatentIndex Score
14 records- 0183US5846213ACellulose membrane and method for manufacture thereofUNIV WESTERN ONTARIO·Filed 1997·Granted Dec 8, 1998·66 cites·25 claims
- 0281US2025211195A1Methods of forming piezoelectric layer with different structure in different regions of bulk acoustic wave deviceSKYWORKS GLOBAL PTE LTD·Filed 2024·Application pending·0 cites
- 0381US2025211193A1Bulk acoustic wave device including piezoelectric layer with engineered regionSKYWORKS GLOBAL PTE LTD·Filed 2024·Application pending·0 cites
- 0481US2025211188A1Methods of manufacturing bulk acoustic wave device having piezoelectric layer with engineered regionSKYWORKS GLOBAL PTE LTD·Filed 2024·Application pending·0 cites
- 0581US2025211194A1Bulk acoustic wave device including piezoelectric layer having different structure in different regionsSKYWORKS GLOBAL PTE LTD·Filed 2024·Application pending·0 cites
- 0676US9186436B2Poly(vinyl alcohol)-bacterial cellulose nanocompositeWAN WAN-KEI·Filed 2008·Granted Nov 17, 2015·3 cites·19 claims
- 0776US8551502B2Process for producing poly(vinyl alcohol)-bacterial cellulose nanocompositeWAN WAN-KEI·Filed 2007·Granted Oct 8, 2013·3 cites·37 claims
- 0874US9206414B2Anisotropic nanocomposite hydrogelWAN WAN-KEI·Filed 2009·Granted Dec 8, 2015·2 cites·28 claims
- 0970US2025373222A1Bulk acoustic wave device including dielectric layer for frame mode suppressionSKYWORKS GLOBAL PTE LTD·Filed 2025·Application pending·0 cites
- 1069US6458156B1Expansible bioprosthetic valve stentUNIV WESTERN ONTARIO·Filed 1997·Granted Oct 1, 2002·84 cites·15 claims
- 1168US2025343528A1Film bulk acoustic wave resonator having steep air cavity angle and including fillers disposed in the air cavitySKYWORKS GLOBAL PTE LTD·Filed 2025·Application pending·0 cites
- 1267US4836927ARecovery of dewaxing aid using asymmetric polyimide ultrafiltration membrane and method for producing said membraneEXXON RESEARCH ENGINEERING CO·Filed 1988·Granted Jun 6, 1989·30 cites·4 claims
- 1351US2005037082A1Poly(vinyl alcohol)-bacterial cellulose nanocompositeFiled 2003·Application pending·0 cites
- 1447US4857201AReverse osmosis cellulose and cellulosic membranes prepared by repeated drying and rewettingEXXON RESEARCH ENGINEERING CO·Filed 1988·Granted Aug 15, 1989·12 cites·14 claims
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