Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Cheng-Kai Chen — 9 Patents

Microsoft: 3 patents #13,486 of 40,388Top 35%
DEDelta Electronics: 1 patents #1,366 of 2,746Top 50%
IIInstitute For Information Industry: 1 patents #327 of 904Top 40%
HP: 1 patents #11,359 of 16,619Top 70%
Pomona, CA: #24 of 321 inventorsTop 8%
California: #67,547 of 386,348 inventorsTop 20%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Cheng-Kai Chen has been granted 9 US patents while listed as an inventor at Microsoft. The first was granted in 2012 and the most recent in February 2023. Cheng-Kai Chen ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Cheng-Kai Chen in Pomona, CA, US.

Patents per Year

Patents granted per year, 2012 to 2023Bar chart with a peak of 2 patents in 2015.peak 22012: 1 patents20122013: 1 patents20132015: 2 patents20152017: 1 patents20172018: 2 patents20182022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11579705 Photodetector activations Yuan Hsi Cheng, Wan-Chieh Lu, Ming-Fong Chou 2023-02-14 $6,264,000
11256388 Merged experience of reading and editing with seamless transition Shen-De Wang, Alexandre Gueniot, Jonathan Ko 2022-02-22 $301,637,000
10133447 Merged experience of reading and editing with seamless transition Shen-De Wang, Alexandre Gueniot, Jonathan Ko 2018-11-20 $52,450,000
10042529 Content display with dynamic zoom focus Shen-De Wang, Alexandre Gueniot, Jeffrey Chao-Nan Chen 2018-08-07 $49,974,000
D776891 Spin mop head 2017-01-17
9032579 Spin mop 2015-05-19
8978193 Spin mop 2015-03-17
8396281 Apparatus and method for inspecting substrate internal defects Jen-Ming Chang, Yu-Hsi Lee, Yen-Chun Chou, Jui-Yu Lin 2013-03-12
8127276 Apparatus, method, and computer readable medium thereof for generating and utilizing a feature code to monitor a program Hung-Min Sun, Kang-Chiao Lin, Shih-Ying Chang, Shuai Chen 2012-02-28