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USPTO Patent Rankings Data through Dec 31, 2025
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David Chu — 8 Patents

3P3Par: 3 patents #4 of 16Top 25%
Qualcomm: 1 patents #7,593 of 12,104Top 65%
Overall (All Time): #600,572 of 4,157,543Top 15%
8 Patents All Time
David Chu has been granted 8 US patents while listed as an inventor at 3Par. The first was granted in 1980 and the most recent in October 2022. David Chu ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David Chu in Sha Tin, CA, CN.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11463716 Buffers for video coding in palette mode Yasutomo Matsuba 2022-10-04 $16,773,000
7911222 Mix mode driver for traces of different lengths Christopher T. Cheng 2011-03-22
7802153 Trainable link Michel Cekleov, Christopher T. Cheng, Greg Dykema 2010-09-21 $54,473,000
7622945 Mix mode driver for traces of different lengths Christopher T. Cheng 2009-11-24 $8,371,000
5860447 In line pressure regulator valve with passive pressure release 1999-01-19
5648700 Fluorescent lamp device Michael CHU 1997-07-15
D256372 Writing instrument 1980-08-12
4200403 Writing implements 1980-04-29