PHOTODIGM, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01S DEVICES USING STIMULATED EMISSION389
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1132
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 196
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 1241

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9660417 Light emitting device with extended mode-hop-free spectral tuning ranges and method of manufactureJan 31, 14May 23, 17[H01S]
8995481 Light generating system and methodFeb 12, 14Mar 31, 15[H04N, H01S, G02F]
8696136 Rear projection display using laser excited photoluminescenceOct 28, 11Apr 15, 14[G03B]
8693513 Light generating system and methodOct 13, 11Apr 08, 14[H01S]
6236773 Single wavelength semiconductor laser with grating-assisted dielectric waveguide couplerDec 15, 98May 22, 01[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0168,814 Second Harmonic Generation Laser SystemAbandonedJan 02, 08Jul 02, 09[H01S]
2009/0168,820 Mitigated Temperature Gradient-Distributed Bragg ReflectorAbandonedDec 28, 07Jul 02, 09[H01S]
2009/0103,576 System and Method of Providing Second Harmonic Generation (SHG) Light in a Single PassAbandonedOct 17, 07Apr 23, 09[H01S]
2009/0083,679 Efficient Second Harmonic Generation (SHG) Laser DesignAbandonedSep 24, 07Mar 26, 09[G06F, H01S]
2008/0310,465 Method and Laser Device for Stabilized Frequency DoublingAbandonedJun 14, 07Dec 18, 08[H01S]
2008/0225,918 INDEX GUIDED SEMICONDUCTOR LASER WITH LOSS-COUPLED GRATINGS AND CONTINUOUS WAVEGUIDEAbandonedMar 14, 07Sep 18, 08[H01S]
2005/0069,013 Method and apparatus for wavelength division multiplexingAbandonedSep 28, 04Mar 31, 05[H01S]
2004/0101,020 Packaging and passive alignment of light source to single mode fiber using microlens and precision ferruleAbandonedNov 26, 02May 27, 04[H01S]

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