David Thomas CHISNALL has been granted 11 US patents while listed as an inventor at Microsoft . The first was granted in 2021 and the most recent in October 2025. David Thomas CHISNALL ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list David Thomas CHISNALL in Cambridge, GB.
Patents per Year Patents granted per year, 2021 to 2025 Bar chart with a peak of 5 patents in 2024. peak 5 2021: 1 patents 2021 2022: 1 patents 2022 2023: 1 patents 2023 2024: 5 patents 2024 2025: 3 patents 2025
Issued Patents All Time
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Showing 1–11 of 11 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
12443766 Peripheral device Stavros Volos , Saurabh M. Kulkarni , Kapil Vaswani , Mauro Costa , Samuel Alexander WEBSTER +4 more 2025-10-14
12422988 Hardware revocation engine for temporal memory safety Hongyan Xia , Nathaniel Wesley Filardo , Robert McNeill Norton-Wright 2025-09-23
12326809 Dynamically allocatable physically addressed metadata storage Nathaniel Wesley Filardo , Robert McNeill Norton-Wright 2025-06-10
12099875 Memory deallocation across a trust boundary Matthew John Parkinson , Sylvan Clebsch , Roy SCHUSTER 2024-09-24
$389,713,000
12061541 System for confidential computing with capabilities Sylvan Clebsch , Cedric Fournet 2024-08-13
$383,964,000
12039170 Hardware revocation engine for temporal memory safety Hongyan Xia , Nathaniel Wesley Filardo , Robert McNeill Norton-Wright 2024-07-16
$410,137,000
12013794 Confidential computing mechanism Sylvan Clebsch , Cedric Fournet 2024-06-18
$575,618,000
11921911 Peripheral device Stavros Volos , Saurabh M. Kulkarni , Kapil Vaswani , Manuel Costa , Samuel Alexander WEBSTER +4 more 2024-03-05
$280,048,000
11593169 Memory deallocation across a trust boundary Matthew John Parkinson , Sylvan Clebsch , Roy SCHUSTER 2023-02-28
$221,092,000
11526613 Execution environment and gatekeeper arrangement Cedric Fournet , Manuel Costa , Samuel Alexander WEBSTER , Sylvan Clebsch , Kapil Vaswani 2022-12-13
$224,065,000
11126757 Peripheral device Stavros Volos , Saurabh M. Kulkarni , Kapil Vaswani , Manuel Costa , Samuel Alexander WEBSTER +1 more 2021-09-21
$157,007,000
