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USPTO Patent Rankings Data through Dec 31, 2025
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Ho CHING — 7 Patents

MLMaster Dynamic Limited: 4 patents #3 of 13Top 25%
Kowloon, CN: #167 of 2,133 inventorsTop 8%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Ho CHING has been granted 7 US patents while listed as an inventor at Master Dynamic Limited. The first was granted in 2014 and the most recent in November 2019. Ho CHING ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Ho CHING in Kowloon, CN.

Patents per Year

Patents granted per year, 2014 to 2019Bar chart with a peak of 2 patents in 2014.peak 22014: 2 patents20142016: 1 patents20162017: 1 patents20172018: 2 patents20182019: 1 patents2019

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10475355 Method of providing markings to precious stones including gemstones and diamonds, and markings and marked precious stones marked according to such a method Koon Chung HUI, Wing Chi TANG 2019-11-12
9903049 Silicon hairspring Pui Hang KO 2018-02-27
9901895 Method of marking material and system therefore, and material marked according to same method Koon Chung HUI, Ching Tom KONG 2018-02-27
9658598 Hairspring for a time piece and hairspring design for concentricity — 2017-05-23
9411312 Silicon overcoil balance spring Ying Nan Wang 2016-08-09
8882341 Stress-relief elastic structure of hairspring collet Siu Kay Chu, Pui Hang KO 2014-11-11
8770828 Oscillator system Ching Tom KONG, Guang Li Ma 2014-07-08

Frequent Collaborators

Ching Tom KONG2 shared
Koon Chung HUI2 shared
Pui Hang KO2 shared
Ying Nan Wang1 shared
Guang Li Ma1 shared
Wing Chi TANG1 shared

Nearby-Ranked Inventors

Yu Du7
WOOSEUP YOUM7
Il Jae Moon7
Jacob Tyler Crosby7
Manamohan D. Mysore7
Timothy Batty7
Ty Hessler7
Justin Cole7
Xiaorong Chen7