Inventor · disambiguated record
Martin Rickwood
Also filed as: RICKWOOD MARTIN
14 granted patents·1 pending application·410 citations·filing 1987–2009
93Inventor score
Top patents by PatentIndex Score
15 records- 0197US4913544APhotochromic articlesPILKINGTON PLC·Filed 1987·Granted Apr 3, 1990·154 cites·63 claims
- 0297US4851530ASpiro-oxazine compoundsPILKINGTON PLC·Filed 1987·Granted Jul 25, 1989·96 cites·13 claims
- 0393US7713452B2Compounds that absorb ultraviolet light, methods of their preparation and optical lenses containing themESSILOR INT·Filed 2005·Granted May 11, 2010·22 cites·20 claims
- 0488US5623005APhotochromic naphthopyran compoundsPILKINGTON PLC·Filed 1994·Granted Apr 22, 1997·49 cites·23 claims
- 0588US5446151APhoto reactive spiro-benzoxazine compoundsPILKINGTON PLC·Filed 1993·Granted Aug 29, 1995·20 cites·18 claims
- 0682US5520853APhotochromic compoundsPILKINGTON PLC·Filed 1994·Granted May 28, 1996·26 cites·14 claims
- 0777US5833885APhotochromic compoundsPILKINGTON PLC·Filed 1996·Granted Nov 10, 1998·25 cites·18 claims
- 0871US7446228B2Thiophosphine compoundsESSILOR INT·Filed 2006·Granted Nov 4, 2008·1 cites·5 claims
- 0957US7378556B2Process for making thiophosphine compoundsESSILOR INT·Filed 2006·Granted May 27, 2008·0 cites·5 claims
- 1053US2010301022A1Method of laser-welding using thermal transfer deposition of a laser-absorbing dyeGENTEX CORP·Filed 2009·Application pending·0 cites
- 1150US5446150APhotochromic spiroxazine compoundsPILKINGTON PLC·Filed 1993·Granted Aug 29, 1995·12 cites·20 claims
- 1249US7622526B2Thermoset material based on antiplasticizing polythiourethane and ophthalmic lens comprising an antiplasticized thermoset materialESSILOR INT·Filed 2004·Granted Nov 24, 2009·2 cites·39 claims
- 1349US5446149ABridged spiroxazine photochromic compoundsPILKINGTON PLC·Filed 1993·Granted Aug 29, 1995·3 cites·12 claims
- 1444US7129321B2Thiophosphine compounds and methods of making polymerizable compositions containing them and their use for making ophthalmic lensesESSILOR INT·Filed 2004·Granted Oct 31, 2006·0 cites·32 claims
- 1539US7732507B2Spirotetrathiocarbamates and spirooxothiocarbamatesESSILOR INT·Filed 2003·Granted Jun 8, 2010·0 cites·26 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →