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USPTO Patent Rankings Data through Dec 31, 2025
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Sheng-Ching Wu — 5 Patents

QUQuarton: 3 patents #9 of 34Top 30%
Keelung, TW: #139 of 650 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Sheng-Ching Wu has been granted 5 US patents while listed as an inventor at Quarton. The first was granted in 2003 and the most recent in October 2006. Sheng-Ching Wu ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Sheng-Ching Wu in Keelung, TW.

Patents per Year

Patents granted per year, 2003 to 2006Bar chart with a peak of 2 patents in 2006.peak 22003: 1 patents20032004: 1 patents20042005: 1 patents20052006: 2 patents2006

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7124513 Three way laser indicator TN Chen, Ching-Horng Hsiao 2006-10-24
7088750 Adjustable laser module Ching-Hui Lin, Chaochi Huang 2006-08-08
6931739 Multidirectional laser indicator Shih Chang Chang 2005-08-23
6722048 Laser projection apparatus for point and line Chao-Chi Huang 2004-04-20
6618950 Projection apparatus for demarcation Chao-Chi Huang 2003-09-16

Frequent Collaborators

Chao-Chi Huang2 shared
Shih Chang Chang1 shared
Ching-Horng Hsiao1 shared
Chaochi Huang1 shared
TN Chen1 shared
Ching-Hui Lin1 shared

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Ikuo DEGUCHI5
Swapnil Kumar5
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Xiaoxue CHEN5
Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5