Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ching-Ning Chiu — 4 Patents

MEMediatek: 4 patents #689 of 2,888Top 25%
Baoshan, TW: #984 of 3,661 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ching-Ning Chiu has been granted 4 US patents while listed as an inventor at Mediatek. The first was granted in 2009 and the most recent in May 2011. Ching-Ning Chiu ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ching-Ning Chiu in Baoshan, TW.

Patents per Year

Patents granted per year, 2009 to 2011Bar chart with a peak of 2 patents in 2010.peak 22009: 1 patents20092010: 2 patents20102011: 1 patents2011

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7944784 Land/groove track and pickup head movement direction detection Gwo-Huei Wu, Yuh Cheng, Chao-Ming Huang, Chih-Yuan Chen 2011-05-17
7804746 Land/groove track and pickup head movement direction detection Gwo-Huei Wu, Yuh Cheng, Chao-Ming Huang, Chih-Yuan Chen 2010-09-28
7680005 Detecting apparatus for detecting statuses of optical disc and method thereof Yu-Hsuan Lin 2010-03-16
7623421 Data search system for searching a data sync pattern in optical disc and method thereof Yu-Hsuan Lin, Jin-Bin Yang 2009-11-24