Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ching-Sheng Chang — 10 Patents

RORays Optics: 5 patents #5 of 24Top 25%
FTFaraday Technology: 1 patents #194 of 417Top 50%
POPowergate Optical: 1 patents #10 of 13Top 80%
YOYoung Optics: 1 patents #104 of 188Top 60%
Comcast: 1 patents #2,448 of 4,447Top 60%
Baoshan, TW: #392 of 3,661 inventorsTop 15%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Ching-Sheng Chang has been granted 10 US patents while listed as an inventor at Rays Optics. The first was granted in 2002 and the most recent in December 2023. Ching-Sheng Chang ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Ching-Sheng Chang in Baoshan, TW.

Patents per Year

Patents granted per year, 2002 to 2023Bar chart with a peak of 2 patents in 2020.peak 22002: 1 patents20022008: 1 patents20082011: 1 patents20112016: 1 patents20162018: 1 patents20182020: 2 patents20202021: 1 patents20212022: 1 patents20222023: 1 patents2023

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11841482 Imaging lens CHIA-CHEN KUNG, Chiu-Jung LAI, Kuo-Chuan Wang 2023-12-12
11256067 Optical lens Hsin-Te Chen, Kuo-Chuan Wang 2022-02-22
10996442 Lens assembly and fabrication method thereof Sheng-Tang Lai, Hsin-Te Chen, Kuo-Chuan Wang 2021-05-04
10845571 Optical lens Ying-Hsiu Lin, Chen-Cheng Lee, Kuo-Chuan Wang 2020-11-24
10558022 Optical lens and fabrication method thereof Sheng-Da Jiang, Hsin-Te Chen, Kuo-Chuan Wang 2020-02-11
9939611 Optical lens Yen-Te Lee, Kuo-Chuan Wang 2018-04-10
9366722 Method and apparatus for performing de-skew control Yuan-Min Hu 2016-06-14
7889504 Portable electronic device Wen-Jen Liau, Jin-Ching Guo, Hsin-Shun Chen 2011-02-15
7417812 Microminiature lens module and lens device having the same 2008-08-26
6450248 Heat sink retainer 2002-09-17