Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ching-Han Chiang — 22 Patents

Google: 22 patents #857 of 22,993Top 4%
San Jose, CA: #2,945 of 32,062 inventorsTop 10%
California: #25,951 of 386,348 inventorsTop 7%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Ching-Han Chiang has been granted 22 US patents while listed as an inventor at Google. The first was granted in 2019 and the most recent in August 2025. Ching-Han Chiang ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Ching-Han Chiang in San Jose, CA, US.

Patents per Year

Patents granted per year, 2019 to 2025Bar chart with a peak of 8 patents in 2019.peak 82019: 8 patents20192020: 4 patents20202021: 2 patents20212022: 3 patents20222024: 4 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12389036 Efficient context model computation design in transform coefficient coding Jingning Han, James Zern, Linfeng Zhang, Yaowu Xu 2025-08-12
12088823 Rate control machine learning models with feedback control for video encoding Chenjie Gu, Hongzi Mao, Cheng Chen, Jingning Han, Ching Yin Derek Pang +7 more 2024-09-10 $77,150,000
12047606 Transform kernel selection and entropy coding Yaowu Xu, Jingning Han 2024-07-23 $138,583,000
11991392 Efficient context model computation design in transform coefficient coding Jingning Han, James Zern, Linfeng Zhang, Yaowu Xu 2024-05-21 $161,870,000
11924467 Mapping-aware coding tools for 360 degree videos Bohan Li, Jingning Han, Yao Yao 2024-03-05 $62,822,000
11405645 Transform kernel selection and entropy coding Jingning Han, Yaowu Xu 2022-08-02 $80,436,000
11405646 Efficient context model computation design in transform coefficient coding Jingning Han, James Zern, Linfeng Zhang, Yaowu Xu 2022-08-02 $80,436,000
11218737 Asymmetric probability model update and entropy coding precision Jingning Han, Aki Kuusela, Stanislav Vitvitskyy, Yaowu Xu, Dake He 2022-01-04 $94,516,000
11102477 DC coefficient sign coding scheme Yaowu Xu, Jingning Han 2021-08-24 $94,329,000
11025950 Motion field-based reference frame rendering for motion compensated prediction in video coding Yaowu Xu, Jingning Han 2021-06-01 $89,646,000
10869060 Efficient context model computation design in transform coefficient coding Jingning Han, James Zern, Linfeng Zhang, Yaowu Xu 2020-12-15 $58,660,000
10735767 Transform coefficient coding using level maps Yaowu Xu, Jingning Han 2020-08-04 $33,918,000
10701398 Context adaptive scan order for entropy coding Jingning Han 2020-06-30 $43,782,000
10623731 DC coefficient sign coding scheme Yaowu Xu, Jingning Han 2020-04-14 $37,035,000
10523944 Modifying a scan order to limit scan distance Yaowu Xu, Jingning Han, Jia Feng 2019-12-31 $41,603,000
10506242 Efficient context model computation design in transform coefficient coding Jingning Han, James Zern, Linfeng Zhang, Yaowu Xu 2019-12-10 $29,381,000
10506258 Coding video syntax elements using a context tree Jingning Han, Yaowu Xu 2019-12-10 $29,381,000
10455253 Single direction long interpolation filter Stanislav Vitvitskyy, Jingning Han, Adrian Grange 2019-10-22 $32,890,000
10440394 Context adaptive scan order for entropy coding Jingning Han 2019-10-08 $32,246,000
10326994 Modifying a scan order to limit scan distance Yaowu Xu, Jingning Han, Jia Feng 2019-06-18 $38,799,000
10244261 Transform coefficient coding using level maps Yaowu Xu, Jingning Han 2019-03-26 $23,171,000
10194147 DC coefficient sign coding scheme Yaowu Xu, Jingning Han 2019-01-29 $26,977,000