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

Michael M. Choy — 3 Patents

IBM: 2 patents #32,839 of 70,183Top 50%
BRBell Communications Research: 1 patents #278 of 628Top 45%
New Jersey: #23,480 of 69,400 inventorsTop 35%
Overall (All Time): #1,641,206 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5825949 Optical wavelength division multiplexer for coupling to data sources and sinks, wherein at least two data sources and sinks operate with different communication protocols Paul E. Green, Jr., William E. Hall, Frank J. Janniello, Jeff Kenneth Kravitz, Karen Liu +2 more 1998-10-20
5487120 Optical wavelength division multiplexer for high speed, protocol-independent serial data sources Paul E. Green, Jr., William E. Hall, Frank J. Janniello, Jeff Kenneth Kravitz, Karen Liu +2 more 1996-01-23
5173794 Wavelength division multiplexing using a tunable acousto-optic filter Kwok Wai Cheung 1992-12-22