Inventor · disambiguated record
Kenneth John Drinkwater
Also filed as: DRINKWATER KENNETH J · DRINKWATER KENNETH JOHN
13 granted patents·2 pending applications·1,382 citations·filing 1991–2013
95Inventor score
Files withRUE DE INT LTD7OPTAGLIO LTD3DE LA RUE HOLOGRAPHICS LTD2DE LA RUE THOMAS & CO LTD1DRINKWATER KENNETH JOHN1
Top patents by PatentIndex Score
15 records- 0198US5712731ASecurity device for security documents such as bank notes and credit cardsDE LA RUE THOMAS & CO LTD·Filed 1994·Granted Jan 27, 1998·476 cites·46 claims
- 0297US6089614ASecurity deviceRUE DE INT LTD·Filed 1997·Granted Jul 18, 2000·203 cites·46 claims
- 0396US7054042B2Optically variable security deviceRUE DE INT LTD·Filed 2001·Granted May 30, 2006·67 cites·49 claims
- 0494US6822769B1Security deviceRUE DE INT LTD·Filed 2000·Granted Nov 23, 2004·79 cites·22 claims
- 0593US5483363ASecurity deviceDE LA RUE HOLOGRAPHICS LTD·Filed 1991·Granted Jan 9, 1996·164 cites·19 claims
- 0692US5694229AHolographic security deviceDE LA RUE HOLOGRAPHICS LTD·Filed 1993·Granted Dec 2, 1997·88 cites·27 claims
- 0790US6712399B1Security deviceRUE DE INT LTD·Filed 2000·Granted Mar 30, 2004·126 cites·23 claims
- 0889US6369919B1Holographic security deviceRUE DE INT LTD·Filed 1999·Granted Apr 9, 2002·110 cites·20 claims
- 0986US7435979B2Optical device and method of manufactureOPTAGLIO LTD·Filed 2006·Granted Oct 14, 2008·12 cites·16 claims
- 1085US7446915B2Diffuse reflector and methodRUE DE INT LTD·Filed 2006·Granted Nov 4, 2008·12 cites·11 claims
- 1183US8562025B2Secure data protection optically variable labels and foilsDRINKWATER KENNETH JOHN·Filed 2003·Granted Oct 22, 2013·19 cites·28 claims
- 1277US7358513B2Optical device and method of manufactureOPTAGLIO LTD·Filed 2002·Granted Apr 15, 2008·12 cites·32 claims
- 1375US7251077B2Diffuse reflector and methodRUE DE INT LTD·Filed 2001·Granted Jul 31, 2007·14 cites·15 claims
- 1464US2013269865A1Secure data protection optically variable labels and foilsOPTAGLIO LTD·Filed 2013·Application pending·0 cites
- 1551US2007268536A1Optically Variable Security DeviceRUE INERNAIONAL LTD DE LA RUE·Filed 2002·Application pending·0 cites
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