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USPTO Patent Rankings Data through Dec 31, 2025
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TC

Tsan-Lung Chen — 5 Patents

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Taichung, TW: #1,586 of 7,415 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Tsan-Lung Chen has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 2016 and the most recent in April 2022. Tsan-Lung Chen ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Tsan-Lung Chen in Taichung, TW.

Patents per Year

Patents granted per year, 2016 to 2022Bar chart with a peak of 2 patents in 2018.peak 22016: 1 patents20162018: 2 patents20182019: 1 patents20192022: 1 patents2022

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D948212 Crate — 2022-04-12
10232452 Pipe cutter Yuan-Te Chou, Yao Xu 2019-03-19
10035202 Pipe cutter Yuan-Te Chou 2018-07-31
9981373 Ratchet wrench Wen-Hao Yu, Ka-Chung Ho 2018-05-29
9463568 Hex key wrench system Ka-Chung Ho 2016-10-11

Frequent Collaborators

Ka-Chung Ho2 shared
Yuan-Te Chou2 shared
Wen-Hao Yu1 shared
Yao Xu1 shared

Nearby-Ranked Inventors

Joseph L. Mann5
Terry Richard Linn5
Ikuo DEGUCHI5
Swapnil Kumar5
Zachary W. Gyugyi5
Xiaoxue CHEN5
Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5