RI

Richard T. Ingwall

PO Polaroid: 8 patents #88 of 898Top 10%
AP Aprilis: 6 patents #2 of 16Top 15%
SA Stx Aprilis: 2 patents #3 of 8Top 40%
📍 Newton, MA: #355 of 2,747 inventorsTop 15%
🗺 Massachusetts: #7,501 of 88,656 inventorsTop 9%
Overall (All Time): #300,980 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
7787110 Diffractive imaging system and method for the reading and analysis of skin topology Daniel H. Raguin, David A. Waldman, Phillip H. Malyak, John S. Berg 2010-08-31
7728959 Acquisition of high resolution biometric images David A. Waldman, Vincent Fedele, Daniel H. Raguin, John S. Berg, Joby Joseph +1 more 2010-06-01
7480084 Holographic filter with a wide angular field of view and a narrow spectral bandwidth David A. Waldman 2009-01-20
7463799 Temperature compensation of Bragg reflection gratings 2008-12-09
7297448 Data storage medium comprising colloidal metal and preparation process thereof Erdem Cetin, Richard A. Minns, David A. Waldman, Larry Takiff 2007-11-20
6992805 Holographic filter with a wide angular field of view and a narrow spectral bandwidth David A. Waldman 2006-01-31
6904491 Hybrid data storage system David A. Waldman, M. Glenn Horner 2005-06-07
6881464 Method and apparatus for producing optical recording media with accurately parallel surfaces David A. Waldman, Rod Hopwood, YajPaul Panchu 2005-04-19
5759721 Holographic medium and process for use thereof Pradeep K. Dhal, Michael Horner, Eric S. Kolb, Parag G. Mehta, Richard A. Minns +2 more 1998-06-02
5571626 Electroluminescent devices comprising polymers, and processes for their use William J. Cumming, Russell Gaudiana, Eric S. Kolb, Cheryl P. Petersen 1996-11-05
5414069 Electroluminescent polymers, processes for their use, and electroluminescent devices containing these polymers William J. Cumming, Russell Gaudiana, Eric S. Kolb, Parag G. Mehta, Richard A. Minns 1995-05-09
5376456 Electroluminescent devices comprising polymers, and processes for their use William J. Cumming, Russell Gaudiana, Eric S. Kolb, Cheryl P. Petersen 1994-12-27
5198912 Volume phase hologram with liquid crystal in microvoids between fringes Mark A. Troll, Duncan H. Whitney 1993-03-30
4970129 Holograms Mark A. Troll 1990-11-13
4588664 Photopolymerizable compositions used in holograms Herbert L. Fielding 1986-05-13
4535041 Stabilization of holograms Herbert L. Fielding 1985-08-13