Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CC

Chi Hung Cheng

ALAlbemarle: 18 patents #15 of 439Top 4%
CCChicony Electronics Co.: 6 patents #14 of 174Top 9%
STSky Tech: 2 patents #8 of 15Top 55%
SMSilicon Motion: 1 patents #243 of 414Top 60%
Baton Rouge, LA: #41 of 1,896 inventorsTop 3%
Louisiana: #104 of 10,876 inventorsTop 1%
Overall (All Time): #133,890 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
5872293 Separating ammonium chloride from N-hydrocarbylphosphoric triamide or N-hydrocarbylthiophosphoric triamide Gerald M. Sulzer 1999-02-16
5871667 Inhibiting ferrous metal corrosion by aqueous ammoniate solutions Gerald M. Sulzer 1999-02-16
5770771 Preparation of N-hydrocarbylthiophosphoric triamides Gerald M. Sulzer, W. Dirk Klobucar, Charles H. Kolich 1998-06-23