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

Kyu-Wang Lee

HEHexcel: 6 patents #18 of 219Top 9%
PIPpg Industries: 5 patents #222 of 1,216Top 20%
CGCallaway Golf: 2 patents #209 of 359Top 60%
Danville, CA: #159 of 1,210 inventorsTop 15%
California: #43,449 of 386,348 inventorsTop 15%
Overall (All Time): #356,020 of 4,157,543Top 9%
14 Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
6860823 Golf club head 2005-03-01
6648774 Composite golf club head having a metal striking insert within the front face wall 2003-11-18
5762352 Bicycle fork having a fiber reinforced steerer tube and fiber reinforced crown and blades and method of making same 1998-06-09
4939019 Compositions and process for producing foam plastics Ching-Chi Kuo, Mark K. Robertson 1990-07-03
4918110 Compositions and process for producing foam plastics Ching-Chi Kuo, Mark K. Robertson 1990-04-17
4830883 Polyimide foam precursor and its use in reinforcing open-cell materials 1989-05-16
4824874 Polyimide foam precursor and its use in reinforcing open-cell materials 1989-04-25
4806573 Polyimide foam precursor and its use in reinforcing open-cell materials 1989-02-21
4574793 Stabilized, catalyzed water activated polyurethane systems Winston L. Hedges, Kenneth S. Baron 1986-03-11
4429082 Film-forming resins containing alkoxy silane groups John R. Peffer, Robert M. Piccirilli, Wen-Hsuan Chang 1984-01-31
4419407 Elastomeric coating compositions Robert M. Piccirilli, Wen-Hsuan Chang, Samuel Porter, Jr., James B. O'Dwyer 1983-12-06
4413086 Coating compositions containing organosilane-polyol Wen-Hsuan Chang, John B. Saunders 1983-11-01
4410668 Elastomeric coating compositions Robert M. Piccirilli, Wen-Hsuan Chang, Samuel Porter, Jr., James B. O'Dwyer 1983-10-18
4410667 Elastomeric coating compositions Samuel Porter, Jr., Robert M. Piccirilli, Wen-Hsuan Chang, James B. O'Dwyer 1983-10-18