CC

Chung-Heng Cheng

AS Advanced Poymer Systems: 6 patents #4 of 29Top 15%
NASA: 2 patents #707 of 3,881Top 20%
📍 San Jose, CA: #7,614 of 32,062 inventorsTop 25%
🗺 California: #73,997 of 386,348 inventorsTop 20%
Overall (All Time): #666,984 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5955109 Methods and compositions for topical delivery of retinoic acid Richard Won, Martin Katz, Sergio Nacht 1999-09-21
5879716 Methods and compositions for topical delivery of benzoyl peroxide Martin Katz, Sergio Nacht 1999-03-09
5458890 Methods and compositions for flavoring orally-delivered products John H. Williford, Martin Katz, Sergio Nacht, Rajesh A. Patel, Brian J. Picard 1995-10-17
5156843 Fabric impregnated with functional substances for controlled release Helen Leong, Martin Katz 1992-10-20
5135740 Porous particles in preparations involving immiscible phases Martin Katz 1992-08-04
5073365 Clinical and personal care articles enhanced by lubricants and adjuvants Martin Katz, Helen Leong 1991-12-17
4567301 Perfluoro (Imidoylamidine) diamidines Robert W. Rosser, Timothy S. Chen 1986-01-28
4434106 Process for preparing perfluorotriazine elastomers and precursors thereof Robert W. Rosser, Timothy S. Chen 1984-02-28