ROCHESTER PHOTONICS CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 3202
 
  
 
G03F PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR 1103
 
  
 
G03H HOLOGRAPHIC PROCESSES OR APPARATUS 131

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6466372 Systems for projecting images from diffractive phase platesMay 16, 97Oct 15, 02[G02B, G03H]
6410213 Method for making optical microstructures having profile heights exceeding fifteen micronsJun 09, 98Jun 25, 02[G03F]
6075650 Beam shaping optics for diverging illumination, such as produced by laser diodesJun 10, 98Jun 13, 00[G02B]
5589982 Polychromatic diffractive lensJun 03, 94Dec 31, 96[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6408115 Multi-port optical coupling system using anamorphic lenses to correct for aberrationExpiredJun 02, 00Jun 18, 02[G02B]
6281993 Phase shifting element for optical information processing storing systemsExpiredMar 30, 98Aug 28, 01[G03H]

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