Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Peter Spiro — 8 Patents

Microsoft: 4 patents #10,758 of 40,388Top 30%
DEDigital Equipment: 2 patents #602 of 2,100Top 30%
Oracle: 2 patents #5,565 of 14,854Top 40%
Nashua, NH: #262 of 1,592 inventorsTop 20%
New Hampshire: #1,922 of 12,181 inventorsTop 20%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
Peter Spiro has been granted 8 US patents while listed as an inventor at Microsoft. The first was granted in 1994 and the most recent in November 2008. Peter Spiro ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Peter Spiro in Nashua, NH, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7454462 Distributed computing services platform Joseph D. Belfiore, David G. Campbell, Steve Capps, Steven Cellini, Charles Fitzgerald +9 more 2008-11-18 $21,361,000
7349913 Storage platform for organizing, searching, and sharing data Quentin J. Clark, Anil Nori, Pedro Celis, David G. Campbell 2008-03-25 $28,373,000
7263551 Distributed computing services platform Joseph D. Belfiore, David G. Campbell, Steve Capps, Steven Cellini, Charles Fitzgerald +9 more 2007-08-28 $25,091,000
6990513 Distributed computing services platform Joseph D. Belfiore, David G. Campbell, Steve Capps, Steven Cellini, Charles Fitzgerald +9 more 2006-01-24 $27,353,000
5524205 Methods and apparatus for optimizing undo log usage David B. Lomet, Ashok Joshi, Ananth Raghavan, Tirumanjanam Rengarajan 1996-06-04 $213,370,000
5485608 Methods and apparatus for updating information in a computer system using logs and state identifiers David B. Lomet, Ashok Joshi, Ananth Raghavan, Tirumanjanam K. Rangarajan 1996-01-16 $97,863,000
5414840 Method and system for decreasing recovery time for failed atomic transactions by keeping copies of altered control structures in main memory T. K. Rengarajan, Anath Raghavan, David B. Lomet 1995-05-09 $8,981,000
5369757 Recovery logging in the presence of snapshot files by ordering of buffer pool flushing Ananth Raghavan, Tirumanjanam Rengarajan 1994-11-29 $16,526,000