Changan Han

Person

Bellevue, WA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Variable reclamation of data copies
- Patent number 12,130,798
- Issue date Oct 29, 2024
- Amazon Technologies, Inc.
- Murali Brahmadesam
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adding a read-only query engine to perform queries to a point-in-ti...
- Patent number 12,072,900
- Issue date Aug 27, 2024
- Amazon Technologies, Inc.
- Changan Han
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Optimistic concurrency for a multi-writer database
- Patent number 11,914,571
- Issue date Feb 27, 2024
- Amazon Technologies, Inc.
- Xiaofeng Bao
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Adding a read-only query engine to perform queries to a point-in-ti...
- Patent number 11,573,969
- Issue date Feb 7, 2023
- Amazon Technologies, Inc.
- Changan Han
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Creating database clones at a specified point-in-time
- Patent number 11,561,864
- Issue date Jan 24, 2023
- Amazon Technologies, Inc.
- Murali Brahmadesam
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Streaming database change data from distributed storage
- Patent number 11,455,290
- Issue date Sep 27, 2022
- Amazon Technologies, Inc.
- Murali Brahmadesam
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Unlimited database change capture for online database restores
- Patent number 11,341,001
- Issue date May 24, 2022
- Amazon Technologies, Inc.
- Murali Brahmadesam
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Online restore to a selectable prior state for database engines
- Patent number 11,210,184
- Issue date Dec 28, 2021
- Amazon Technologies, Inc.
- Anurag Windlass Gupta
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Shared pages for database copies
- Patent number 10,909,143
- Issue date Feb 2, 2021
- Amazon Technologies, Inc.
- Murali Brahmadesam
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
ADDING A READ-ONLY QUERY ENGINE TO PERFORM QUERIES TO A POINT-IN-TI...
- Publication number 20230281211
- Publication date Sep 7, 2023
- AMAZON TECHNOLOGIES, INC.
- Changan Han
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
ONLINE RESTORE FOR DATABASE ENGINES
- Publication number 20220114064
- Publication date Apr 14, 2022
- AMAZON TECHNOLOGIES, INC.
- Anurag Windlass Gupta
- G06 - COMPUTING CALCULATING COUNTING

Changan Han

Person

Patents Grantslast 30 patents

Variable reclamation of data copies

Adding a read-only query engine to perform queries to a point-in-ti...

Optimistic concurrency for a multi-writer database

Adding a read-only query engine to perform queries to a point-in-ti...

Creating database clones at a specified point-in-time

Streaming database change data from distributed storage

Unlimited database change capture for online database restores

Online restore to a selectable prior state for database engines

Shared pages for database copies

Patents Applicationslast 30 patents

ADDING A READ-ONLY QUERY ENGINE TO PERFORM QUERIES TO A POINT-IN-TI...

ONLINE RESTORE FOR DATABASE ENGINES