Changan Han — 9 Patents at Amazon

Changan Han has been granted 9 US patents while listed as an inventor at Amazon. The first was granted in 2021 and the most recent in October 2024. Changan Han ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Changan Han in Bellevue, WA, US.

Patents per Year

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12130798	Variable reclamation of data copies	Murali Brahmadesam, Raman Mittal	2024-10-29	$409,629,000
12072900	Adding a read-only query engine to perform queries to a point-in-time of a write-accessible database	Murali Brahmadesam, Anupriya Mathur, Navaneetha Krishnan Thanka Nadar	2024-08-27	$338,663,000
11914571	Optimistic concurrency for a multi-writer database	Xiaofeng Bao, Murali Brahmadesam, Yi Ding, Niket Goel, Anurag Windlass Gupta +9 more	2024-02-27	$290,362,000
11573969	Adding a read-only query engine to perform queries to a point-in-time of a write-accessible database	Murali Brahmadesam, Anupriya Mathur, Navaneetha Krishnan Thanka Nadar	2023-02-07	$244,655,000
11561864	Creating database clones at a specified point-in-time	Murali Brahmadesam, Raman Mittal, Seungmin Wei	2023-01-24	$267,686,000
11455290	Streaming database change data from distributed storage	Murali Brahmadesam, Nanda Kaushik, Kartikey Bhatt, Sangyong Hwang, Punit Rajgaria	2022-09-27	$374,550,000
11341001	Unlimited database change capture for online database restores	Murali Brahmadesam	2022-05-24	$187,963,000
11210184	Online restore to a selectable prior state for database engines	Anurag Windlass Gupta, Murali Brahmadesam, Alexandre Olegovich Verbitski, Xiaofeng Bao, Alisdair William Owens +7 more	2021-12-28	$307,879,000
10909143	Shared pages for database copies	Murali Brahmadesam, Raman Mittal, Li-Che Hsiao, Konstantin Dubinets, Seungmin Wei +4 more	2021-02-02	$198,978,000

Changan Han — 9 Patents

Patents per Year

Issued Patents All Time

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