Inventor · disambiguated record
Willem Sjouke Wijma
Also filed as: WIJMA WILLEM S · WIJMA WILLEM SJOUKE
8 granted patents·5 pending applications·146 citations·filing 1979–2012
86Inventor score
Files withPHILIPS CORP5DUINEVELD PAULUS CORNELIS3KONINK PHILPS ELECTRONICS NV1SCHALLIG MICHIEL A A1SLOOT ERIC MARK1
Top patents by PatentIndex Score
13 records- 0185US6090174ASeparator device provided with a cyclone chamber with a centrifugal unit, and vacuum cleaner provided with such a separator devicePHILIPS CORP·Filed 1998·Granted Jul 18, 2000·95 cites·19 claims
- 0271US9040938B2Device comprising a source for emitting ultraviolet lightDUINEVELD PAULUS CORNELIS·Filed 2010·Granted May 26, 2015·2 cites·14 claims
- 0365US8113106B2Tea making device having an improved liquid collection chamberDUINEVELD PAULUS CORNELIS·Filed 2006·Granted Feb 14, 2012·3 cites·15 claims
- 0463US4281453AShaving apparatusPHILIPS CORP·Filed 1979·Granted Aug 4, 1981·24 cites·9 claims
- 0553US8479641B2Tea making device having an improved liquid collection chamberDUINEVELD PAULUS CORNELIS·Filed 2012·Granted Jul 9, 2013·0 cites·15 claims
- 0642US4811484ADry-shaving apparatusPHILIPS CORP·Filed 1988·Granted Mar 14, 1989·11 cites·2 claims
- 0738US2012247342A1Device for steaming foodVAN DER VLIS PETER HANS·Filed 2010·Application pending·0 cites
- 0838US2009263095A1Method for integrating a light guide in or onto a support structure, support structure with a light guide, and device comprising such support structureKONINK PHILPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 0937US4807359ADry-shaving apparatusPHILIPS CORP·Filed 1986·Granted Feb 28, 1989·9 cites·2 claims
- 1036US2012111377A1Washing and Sterilizing UnitSLOOT ERIC MARK·Filed 2010·Application pending·0 cites
- 1134US2002009920A1Electrical household appliance with detachable connection cordFiled 2001·Application pending·0 cites
- 1234US2006188133A1Method of and apparatus for determing height or profile of an objectSCHALLIG MICHIEL A A·Filed 2003·Application pending·0 cites
- 1328US5081767AShaving apparatusPHILIPS CORP·Filed 1990·Granted Jan 21, 1992·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →