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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RF

Robert I. Ferguson — 9 Patents

Microsoft: 9 patents #4,919 of 40,388Top 15%
Seattle, WA: #3,345 of 21,776 inventorsTop 20%
Washington: #11,701 of 76,902 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Robert I. Ferguson has been granted 9 US patents while listed as an inventor at Microsoft. The first was granted in 1996 and the most recent in April 2000. Robert I. Ferguson ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Robert I. Ferguson in Seattle, WA, US.

Patents per Year

Patents granted per year, 1996 to 2000Bar chart with a peak of 5 patents in 1998.peak 51996: 2 patents19961997: 1 patents19971998: 5 patents19982000: 1 patents2000

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6052555 Method for speeding MPEG encoding using JPEG pre-processing 2000-04-18 $574,558,000
5844594 Method and apparatus for MPEG encoding 1998-12-01 $185,577,000
5815793 Parallel computer 1998-09-29 $202,399,000
5758360 Meta-data structure and handling Mark J. Zbikowski, Brian T. Berkowitz 1998-05-26 $120,770,000
5752252 Storage of file data on disk in multiple representations Mark J. Zbikowski 1998-05-12 $152,665,000
5713002 Modified buddy system for managing storage space Mark J. Zbikowski 1998-01-27 $380,722,000
5613105 Efficient storage of objects in a file system Mark J. Zbikowski, Brian T. Berkowitz 1997-03-18 $91,192,000
5590318 Method and system for tracking files pending processing Mark J. Zbikowski, Brian T. Berkowitz 1996-12-31 $145,970,000
5490274 Modified buddy system for managing disk space Mark J. Zbikowski 1996-02-06 $468,137,000