Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ching-Lang Chiang — 4 Patents

ASApd Semiconductor: 2 patents #5 of 12Top 45%
HYHypervision: 2 patents #3 of 10Top 30%
San Jose, CA: #12,472 of 32,062 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ching-Lang Chiang has been granted 4 US patents while listed as an inventor at Apd Semiconductor. The first was granted in 1995 and the most recent in May 2004. Ching-Lang Chiang ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ching-Lang Chiang in San Jose, CA, US.

Patents per Year

Patents granted per year, 1995 to 2004Bar chart with a peak of 1 patents in 1995.peak 11995: 1 patents19952002: 1 patents20022003: 1 patents20032004: 1 patents2004

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6731327 Dynamic structural coupling mechanism for reducing optical degradation in vibrating environments Thomas Kujawa, Neeraj Khurana, Prasad Sabbineni, Daniel T. Hurley 2004-05-04
6515330 Power device having vertical current path with enhanced pinch-off for current limiting Gary M. Hurtz, Vladimir Rodov, Geeng-Chuan Chern, Paul Chang 2003-02-04
6420225 Method of fabricating power rectifier device Paul Chang, Vladimir Rodov, Geeng-Chuan Chern, Charles W. C. Lin 2002-07-16
5475316 Transportable image emission microscope Daniel T. Hurley, Neeraj Khurana 1995-12-12