Patent assignee · US · COMPANY

Tamarack Storage Devices

21Patents
0Active
21Granted
33Portfolio score

Filing activity: Jul 14, 1993 → Oct 21, 1996

Most-cited patents

PatentTitleAreaCited byStatus
US5529861A Method for enhancing the utility of a photopolymer recording media for holographic data recording Physics 51 Expired
US5519517A Method and apparatus for holographically recording and reproducing images in a sequential manner Physics 36 Expired
US5526337A Holographic storage media package Physics 30 Expired
US5511058A Distortion correction of a reconstructed holographic data image Physics 29 Expired
US5477347A Method and apparatus for isolating data storage regions in a thin holographic storage media Physics 27 Expired
US5694488A Method and apparatus for processing of reconstructed holographic images of digital data patterns Physics 25 Expired
US5627664A Holographic storage with combined orthogonal phase codes and random phase codes Physics 25 Expired
US5566387A Diamond shaped holographic storage regions oriented along a common radial column line for higher storage density Physics 23 Expired
US5481523A Gantry for positioning a read/write head of a holographic information storage system Physics 21 Expired
US5377176A Method and apparatus for isolating data storage regions in a thick holographic storage media Physics 20 Expired
US5638193A Method and apparatus for azimuthal multiplexing of holograms Physics 18 Expired
US5940537A Method and system for compensating for geometric distortion of images Physics 17 Expired
US5519651A High capacity holographic storage system Physics 15 Expired
US5696613A Method and apparatus for multiplexing data in different planes of incidence of a thin holographic storage media Physics 10 Expired
US5488494A Packaging system for holographic storage media Physics 7 Expired
US5756648A Photosensitive polymide materials for electronic packaging applications Physics 7 Expired
US5621549A Method and apparatus for positioning a light beam on a holographic media Physics 6 Expired
US5896210A Molded block optical system for volume holographic storage Physics 6 Expired
US5377179A Method and apparatus for enhancing the utility of a photopolymer recording media for holographic data recording Physics 6 Expired
US5665791A Photosensitive polymer films and their method of production Physics 5 Expired
US5883880A Disk positioning device for defining precise radial location Physics 2 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.