Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ning Chung-Ho — 1 Patent

HMHoltek Microelectronics: 1 patents #16 of 54Top 30%
Zhubei City, TW: #942 of 1,506 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Ning Chung-Ho has been granted 1 US patent while listed as an inventor at Holtek Microelectronics. All of these patents were granted in 1995. Ning Chung-Ho ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ning Chung-Ho in Zhubei City, TW.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5424740 Digital-to-analog converter with a Johnson code generator Herman M. Chang 1995-06-13