Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
QS

Qingxin Su — 4 Patents

Tdk: 4 patents #1,273 of 3,796Top 35%
Xi'an, CN: #229 of 1,512 inventorsTop 20%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Qingxin Su has been granted 4 US patents while listed as an inventor at Tdk. The first was granted in 2004 and the most recent in April 2007. Qingxin Su ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Qingxin Su in Xi'an, CN.

Patents per Year

Patents granted per year, 2004 to 2007Bar chart with a peak of 2 patents in 2007.peak 22004: 1 patents20042006: 1 patents20062007: 2 patents2007

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7199504 Film bulk acoustic resonator filter Eiju Komuro, Masaaki Imura, Paul B. Kirby, Roger W. Whatmore 2007-04-03 $21,000
7187254 Film bulk acoustic resonator filters with a coplanar waveguide Paul B. Kirby, Eiju Komuro, Masaaki Imura, Roger W. Whatmore 2007-03-06 $34,000
7046103 Electric filter comprising a plurality of thin film bulk acoustic resonators Roger W. Whatmore, Paul B. Kirby, Eiju Komuro 2006-05-16 $35,000
6774746 Thin film bulk acoustic resonator filters with a piezoelectric layer of lead scandium tantalum oxide Roger W. Whatmore, Paul B. Kirby, Eiju Komuro 2004-08-10 $195,000