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USPTO Patent Rankings Data through Dec 31, 2025
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Ching Chu — 5 Patents

AOAntel Optronics: 4 patents #1 of 7Top 15%
Oakville, CA: #276 of 1,175 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Ching Chu has been granted 5 US patents while listed as an inventor at Antel Optronics. The first was granted in 1994 and the most recent in April 2000. Ching Chu ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Ching Chu in Oakville, ON, CA.

Patents per Year

Patents granted per year, 1994 to 2000Bar chart with a peak of 2 patents in 1995.peak 21994: 1 patents19941995: 2 patents19951996: 1 patents19962000: 1 patents2000

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6049271 Vehicle rearview mirror with multiple signal means — 2000-04-11
5485264 High dynamic range OTDR data acquisition circuit Mike VanderWindt 1996-01-16
5465143 ADP switch and adjustable data acquisition window David Liao, Kai D. Feng 1995-11-07
5422643 High dynamic range digitizer Steven Prowse, John Haywood 1995-06-06
5319266 Differential boxcar integrator with auto-zero function John Haywood 1994-06-07

Frequent Collaborators

John Haywood2 shared
Kai D. Feng1 shared
Mike VanderWindt1 shared
Steven Prowse1 shared
David Liao1 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