Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert J. Safranek — 73 Patents

Intel: 43 patents #801 of 30,777Top 3%
ATAT&T: 19 patents #870 of 18,772Top 5%
ACAmpere Computing: 4 patents #13 of 94Top 15%
IBM: 4 patents #21,783 of 70,183Top 35%
SSSequent Computer Systems: 3 patents #1 of 33Top 4%
Portland, OR: #203 of 9,213 inventorsTop 3%
Oregon: #387 of 28,073 inventorsTop 2%
Overall (All Time): #26,958 of 4,157,543Top 1%
73 Patents All Time
Robert J. Safranek has been granted 73 US patents while listed as an inventor at Intel. The first was granted in 1991 and the most recent in September 2025. Robert J. Safranek ranks #26,958 of 4,157,543 US inventors in our database (top 0.65%). Patent records list Robert J. Safranek in Portland, OR, US.

Patents per Year

Patents granted per year, 1991 to 2025Bar chart with a peak of 6 patents in 2019.peak 61991: 3 patents19911992: 5 patents1994: 4 patents1996: 2 patents19961997: 2 patents1999: 1 patents2000: 1 patents20002001: 2 patents2002: 4 patents2004: 1 patents20042005: 2 patents2007: 1 patents2009: 2 patents20092010: 3 patents2011: 3 patents2012: 2 patents20122013: 1 patents2014: 3 patents2015: 3 patents20152016: 3 patents2017: 5 patents2018: 3 patents20182019: 6 patents2020: 1 patents2021: 2 patents20212022: 2 patents2023: 1 patents2024: 2 patents20242025: 3 patents2025

Issued Patents All Time

Showing 51–73 of 73 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6487554 Retrieval and matching of color patterns based on a predetermined vocabulary and grammar S. Kicha Ganapathy, Jianying Hu, Jelena Kovacevic, Aleksandra Mojsilovic 2002-11-26 $12,927,000
6411953 Retrieval and matching of color patterns based on a predetermined vocabulary and grammar S. Kicha Ganapathy, Jianying Hu, Jelena Kovacevic, Aleksandra Mojsilovic 2002-06-25 $6,644,000
6360017 Perceptual-based spatio-temporal segmentation for motion estimation Yi-Jen Chiu, John Hartung, Arnaud Jacquin 2002-03-19 $14,409,000
6295584 Multiprocessor computer system with memory map translation Donald R. DeSota, Bruce M. Gilbert, Thomas D. Lovett, Kenneth Frank Dove 2001-09-25 $32,998,000
6226714 Method for invalidating cache lines on a sharing list Michael A. Driscoll 2001-05-01 $28,625,000
6041376 Distributed shared memory system having a first node that prevents other nodes from accessing requested data until a processor on the first node controls the requested data Bruce M. Gilbert, Robert T. Joersz, Thomas D. Lovett 2000-03-21
5900020 Method and apparatus for maintaining an order of write operations by processors in a multiprocessor computer to maintain memory consistency Thomas D. Lovett, Robert T. Joersz, Bruce M. Gilbert 1999-05-04 $10,014,000
5682442 Image processing system James David Johnston, David L. Neuhoff, Thrasyvoulos N. Pappas 1997-10-28 $71,035,000
5661525 Method and apparatus for converting an interlaced video frame sequence into a progressively-scanned sequence Jelena Kovacevic, Edmund Meng Yeh 1997-08-26 $44,436,000
5559900 Compression of signals for perceptual quality by selecting frequency bands having relatively high energy Nuggehally S. Jayant 1996-09-24 $4,175,000
5517581 Perceptually-adapted image coding system James David Johnston 1996-05-14
5367647 Apparatus and method for achieving improved SCSI bus control capacity Richard Coulson, Vincent O'Malley 1994-11-22 $6,212,000
5331348 Adaptive leak HDTV encoder Scott C. Knauer, Kim N. Matthews, Arun N. Netravali, Eric David Petajan 1994-07-19
5309526 Image processing system Thrasyvoulos N. Pappas, Nambirajan Seshadri, James David Johnston, David L. Neuhoff 1994-05-03
5305102 HDTV receiver Scott C. Knaur, Kim N. Matthews, Arun N. Netravali, Eric David Petajan 1994-04-19
5144423 HDTV encoder with forward estimation and constant rate motion vectors Scott C. Knauer, Kim N. Matthews, Arun N. Netravali, Eric David Petajan, Peter Westerink 1992-09-01
5136377 Adaptive non-linear quantizer James David Johnston, Scott C. Knauer, Kim N. Matthews, Arun N. Netravali, Eric David Petajan +1 more 1992-08-04
5134477 HDTV receiver Scott C. Knauer, Kim N. Matthews, Arun N. Netravali, Eric David Petajan, Peter Westerink 1992-07-28
5134475 Adaptive leak HDTV encoder James David Johnston, Scott C. Knauer, Kim N. Matthews, Arun N. Netravali, Eric David Petajan +1 more 1992-07-28
5128756 High definition television coding arrangement with graceful degradation James David Johnston, Scott C. Knauer, Kim N. Matthews, Arun N. Netravali, Eric David Petajan +1 more 1992-07-07
5063444 High definition television arrangement with signal selections adapted to the available transmission capacity Scott C. Knauer, Arun N. Netravali, Eric David Petajan, Peter Westerink 1991-11-05
5043808 High definition television arrangement employing motion compensated prediction error signals Scott C. Knauer, Kim N. Matthews, Arun N. Netravali, Eric David Petajan 1991-08-27
5040062 Television signal arrangement where selected signals are encoded digitally Scott C. Knauer, Kim N. Matthews, Arun N. Netravali, Eric David Petajan, Peter Westerink 1991-08-13