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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US398233424 Jun 197528 Sep 1976Thalatta, Inc.Compartmentalized micromagnet display device
US403010526 Sep 197514 Jun 1977Xerox CorporationTechnique of character generation on magnetic tapes
US422486927 Jun 197830 Sep 1980EnertecParallel line printer
US43664882 Abr 198028 Dic 1982Northern Telecom LimitedRead/write arrangement for a magnetic terminal
US439409221 Dic 198119 Jul 1983NCR Canada Ltd. - NCR Canada LteeMethod and apparatus for high speed thermal printing
US531734023 Ago 199031 May 1994Method and device for erasing and writing on magnetic recording media suitable for direct viewing
US56275622 Mar 19956 May 1997Magnetic display apparatus
US596645710 Mar 199212 Oct 1999Method for inspecting, coding and sorting objects
US62692251 Jul 199931 Jul 2001Sharp Kabushiki KaishaInformation recording device
US634190614 Sep 199929 Ene 2002Casio Computer Co., Ltd.Cassette containing magnetically affixable printing tape and tape printer which use the cassette
US64243877 Mar 200123 Jul 2002Sharp Kabushiki KaishaRecording medium including liquid crystal layer
US673329830 Ene 200311 May 2004Reversible colorful writing apparatus
US68011755 Jun 20015 Oct 2004Minolta Co., Ltd.Image forming apparatus
US704788311 Mar 200323 May 2006JDS Uniphase CorporationMethod and apparatus for orienting magnetic flakes
US724148920 Ene 200410 Jul 2007JDS Uniphase CorporationOpaque flake for covert security applications
US725891514 Ago 200321 Ago 2007JDS Uniphase CorporationFlake for covert security applications
US73006954 Ene 200527 Nov 2007JDS Uniphase CorporationAlignable diffractive pigment flakes
US751757822 Dic 200414 Abr 2009JDS Uniphase CorporationMethod and apparatus for orienting magnetic flakes
US755019711 Jul 200723 Jun 2009JDS Uniphase CorporationNon-toxic flakes for authentication of pharmaceutical articles
US760485520 Dic 200520 Oct 2009JDS Uniphase CorporationKinematic images formed by orienting alignable flakes
US76256322 Ago 20061 Dic 2009JDS Uniphase CorporationAlignable diffractive pigment flakes and method and apparatus for alignment and images formed therefrom
US76455104 Oct 200512 Ene 2010JDS Uniphase CorporationProvision of frames or borders around opaque flakes for covert security applications
US766789515 Nov 200523 Feb 2010JDS Uniphase CorporationPatterned structures with optically variable effects
US76745011 May 20069 Mar 2010JDS Uniphase CorporationTwo-step method of coating an article for security printing by application of electric or magnetic field
US772902612 Dic 20061 Jun 2010JDS Uniphase CorporationSecurity device with metameric features using diffractive pigment flakes
US787648124 Oct 200625 Ene 2011JDS Uniphase CorporationPatterned optical structures with enhanced security feature
US78809431 Oct 20071 Feb 2011JDS Uniphase CorporationPatterned optical structures with enhanced security feature
US793445115 Ene 20073 May 2011JDS Uniphase CorporationApparatus for orienting magnetic flakes
US802595230 Oct 200727 Sep 2011JDS Uniphase CorporationPrinted magnetic ink overt security image
US811896327 Jun 200721 Feb 2012Stamping a coating of cured field aligned special effect flakes and image formed thereby