Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Yip — 5 Patents

Northrop Grumman: 4 patents #430 of 2,250Top 20%
TLTrw Limited: 1 patents #979 of 2,166Top 50%
La Mirada, CA: #43 of 245 inventorsTop 20%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Yip has been granted 5 US patents while listed as an inventor at Northrop Grumman. The first was granted in 2002 and the most recent in October 2010. David Yip ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Yip in La Mirada, CA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7821360 Multi-channel surface acoustic wave filter device with voltage controlled tunable frequency response Alvin M. Kong, Thomas Jung 2010-10-26 $10,867,000
6882256 Anchorless electrostatically activated micro electromechanical system switch 2005-04-19 $12,127,000
6842091 Weighted SAW reflector grating using dithered acoustic reflectors 2005-01-11 $22,290,000
6664871 Cascaded surface acoustic wave filter system for cancelling time spurious responses 2003-12-16 $11,604,000
6480076 Recessed reflector single phase unidirectional transducer Alvin M. Kong, Rahil U. Bhorania 2002-11-12 $10,961,000