P

Inventor

DAS RAJSEKHAR

US38 patents
⚠️ This page may combine multiple inventors who share the name “DAS RAJSEKHAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MICROSOFT TECHNOLOGY LICENSING LLC

27 patents
US11423151B2Aug 23, 2022

Systems and methods for managing data storage cluster synchronization

MICROSOFT TECHNOLOGY LICENSING LLC2 citations73
US10446174B2Oct 15, 2019

File system for shingled magnetic recording (SMR)

MICROSOFT TECHNOLOGY LICENSING LLC4 citations73
US11216416B2Jan 4, 2022

Managing snapshotting of a dataset using an ordered set of B+ trees

MICROSOFT TECHNOLOGY LICENSING LLC2 citations71
US10298649B2May 21, 2019

Guaranteeing stream exclusivity in a multi-tenant environment

MICROSOFT TECHNOLOGY LICENSING LLC2 citations66
US12411956B2Sep 9, 2025

Systems and methods for managing data storage cluster synchronization

MICROSOFT TECHNOLOGY LICENSING LLC0 citations62
US11868477B2Jan 9, 2024

Scale out file system using refs and scale out volume

MICROSOFT TECHNOLOGY LICENSING LLC0 citations62
US10235077B2Mar 19, 2019

Resource arbitration for shared-write access via persistent reservation

MICROSOFT TECHNOLOGY LICENSING LLC1 citations62
US12498887B2Dec 16, 2025

File system improvements for zoned storage device operations

MICROSOFT TECHNOLOGY LICENSING LLC0 citations61
US12118245B2Oct 15, 2024

File system improvements for zoned storage device operations

MICROSOFT TECHNOLOGY LICENSING LLC0 citations61
US12013814B2Jun 18, 2024

Managing snapshotting of a dataset using an ordered set of B+ trees

MICROSOFT TECHNOLOGY LICENSING LLC0 citations61
US11269716B2Mar 8, 2022

Self-healing operations for root corruption in a file system

MICROSOFT TECHNOLOGY LICENSING LLC0 citations61
US11163730B2Nov 2, 2021

Hard link operations for files in a file system

MICROSOFT TECHNOLOGY LICENSING LLC0 citations61
US10754549B2Aug 25, 2020

Append only streams for storing data on a solid state device

MICROSOFT TECHNOLOGY LICENSING LLC1 citations56
US9832267B2Nov 28, 2017

Resource arbitration for shared-write access via persistent reservation

MICROSOFT TECHNOLOGY LICENSING LLC1 citations51
US12524375B2Jan 13, 2026

Container-level management of compressed file system data

MICROSOFT TECHNOLOGY LICENSING LLC0 citations50
US12306805B2May 20, 2025

Dynamically resizing root nodes of hierarchical data structures

MICROSOFT TECHNOLOGY LICENSING LLC0 citations50
US12141103B2Nov 12, 2024

File system metadata layout for append-only storage

MICROSOFT TECHNOLOGY LICENSING LLC0 citations50
US11995032B2May 28, 2024

Reduced-latency data operations for files in a file system

MICROSOFT TECHNOLOGY LICENSING LLC0 citations50
US11803517B2Oct 31, 2023

File system for anonymous write

MICROSOFT TECHNOLOGY LICENSING LLC0 citations50
US10430106B2Oct 1, 2019

Policy based tiered allocation for hybrid storage devices

MICROSOFT TECHNOLOGY LICENSING LLC0 citations50
US11144505B2Oct 12, 2021

Data operations using a cache table in a file system

MICROSOFT TECHNOLOGY LICENSING LLC0 citations44
US12574262B2Mar 10, 2026

Confidential virtual machine using state-seperated storage architecture

MICROSOFT TECHNOLOGY LICENSING LLC0 citations43
US10394717B1Aug 27, 2019

Central processing unit cache friendly multithreaded allocation

MICROSOFT TECHNOLOGY LICENSING LLC0 citations40
US10768829B2Sep 8, 2020

Opportunistic use of streams for storing data on a solid state device

MICROSOFT TECHNOLOGY LICENSING LLC0 citations38
US9836419B2Dec 5, 2017

Efficient data movement within file system volumes

MICROSOFT TECHNOLOGY LICENSING LLC0 citations38
US10733045B2Aug 4, 2020

Online repair of metadata for structured data including file systems

MICROSOFT TECHNOLOGY LICENSING LLC0 citations35
US10489240B2Nov 26, 2019

Efficient detection of corrupt data

MICROSOFT TECHNOLOGY LICENSING LLC0 citations30

MICROSOFT CORP

5 patents

MASSA MICHAEL T

3 patents

URECHE OCTAVIAN T

1 patent

DAS RAJSEKHAR

1 patent

PETTER VLADIMIR

1 patent