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

Wilbert De Graaf — 22 Patents

Microsoft: 21 patents #1,596 of 40,388Top 4%
KNKoninklijke Kpn N.V.: 1 patents #116 of 298Top 40%
Bellevue, WA: #507 of 6,950 inventorsTop 8%
Washington: #4,130 of 76,902 inventorsTop 6%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Wilbert De Graaf has been granted 22 US patents while listed as an inventor at Microsoft. The first was granted in 2005 and the most recent in December 2020. Wilbert De Graaf ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Wilbert De Graaf in Bellevue, WA, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10855635 Electronic mail (e-mail) system support for messages with different traffic types Krishna Kumar Parthasarathy, Wayne Merl Cranston, William J. Whalen, Neelamadhaba Mahapatro, Piyush Gupta +2 more 2020-12-01 $114,800,000
10541957 Using e-mail message characteristics for prioritization Gregory Gourevitch, Todd Luttinen, Victor Boctor, Lizhuang Zhao 2020-01-21 $61,337,000
10021055 Using e-mail message characteristics for prioritization Gregory Gourevitch, Todd Luttinen, Victor Boctor, Lizhuang Zhao 2018-07-10 $63,082,000
9853927 Enforcing resource quota in mail transfer agent within multi-tenant environment Gregory Gourevitch, Faina Sigalov, Wayne Merl Cranston 2017-12-26 $39,944,000
9734488 Communicating per-recipient delivery statuses of multi-recipient messages in multiline simple mail transfer protocol responses Alex Dubovik, Gregory Gourevitch, Yehia Ali Zayour, Vikram Kakumani 2017-08-15 $35,271,000
9647915 Detailed end-to-end latency tracking of messages Gregory Gourevitch, Todd Luttinen 2017-05-09 $28,083,000
9589254 Using e-mail message characteristics for prioritization Gregory Gourevitch, Todd Luttinen, Victor Boctor, Lizhuang Zhao 2017-03-07 $28,472,000
9338107 Transferring message context information using extended simple mail transfer protocol binary data chunking Arunkumar Chacko, Gregory Gourevitch 2016-05-10 $43,328,000
9253126 Trusted e-mail communication in a multi-tenant environment Gregory Gourevitch, Victor Boctor 2016-02-02 $33,611,000
9253127 Optimized routing for proxy use Gregory Gourevitch, David Alexander Blyth 2016-02-02 $33,611,000
9148303 Detailed end-to-end latency tracking of messages Gregory Gourevitch, Todd Luttinen 2015-09-29 $56,898,000
9141447 Conditional deferred queuing Fai Sigalov, Victor Boctor, Greg Gourevitch, Shaun Wallace 2015-09-22 $38,392,000
9048428 Enabling communication between source and target mail transfer agents Shubhankar Sanyal, Gregory Gourevitch 2015-06-02 $51,533,000
8880620 Social graphing for data handling and delivery Jeremy de Souza, Charlie Chung, Shubhankar Sanyal 2014-11-04 $37,690,000
8805942 Storing and partitioning email messaging data Fabio Santos, Gregory Gourevitch 2014-08-12 $19,073,000
8805943 Optimized routing for proxy use Gregory Gourevitch, David Alexander Blyth 2014-08-12 $19,073,000
8707420 Trusted e-mail communication in a multi-tenant environment Gregory Gourevitch, Victor Boctor 2014-04-22 $23,747,000
8122089 High availability transport Jeffrey B. Kay, Victor Boctor, Todd Luttinen 2012-02-21 $20,261,000
7568008 Methods for sending additional journaling e-mail messages subsequent to sending original journaling e-mail messages Chandresh K. Jain, Daniel D. Longley, James H. Baker, Massimiliano Ciccotosto 2009-07-28 $31,590,000
7552179 Envelope e-mail journaling with best effort recipient updates Chandresh K. Jain, Daniel D. Longley, James H. Baker, Massimiliano Ciccotosto 2009-06-23 $37,511,000
7552206 Throttling service connections based on network paths Alexander Nikolayev 2009-06-23 $37,511,000
6888932 Method and system for activation of a local terminal Jan Snip, Arnoldus Rancuret, Hendrik Van De Vlag, Marc-Jan Bastiaansen 2005-05-03 $274,000