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

David R. Johnson — 32 Patents

UNUnisys: 15 patents #39 of 2,015Top 2%
Microsoft: 6 patents #7,383 of 40,388Top 20%
GTGlobal Traffic Technologies: 5 patents #3 of 17Top 20%
BLBritish Telecommunications Public Limited: 3 patents #265 of 1,458Top 20%
Intel: 2 patents #13,213 of 30,777Top 45%
ATAT&T: 1 patents #10,626 of 18,772Top 60%
BLBell Telephone Laboratories: 1 patents #567 of 1,445Top 40%
Point Pleasant, NJ: #1 of 85 inventorsTop 2%
New Jersey: #2,003 of 69,400 inventorsTop 3%
Overall (All Time): #113,783 of 4,157,543Top 3%
32 Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
5732404 Flexible expansion of virtual memory addressing Wayne D. Ward 1998-03-24
5701316 Method for generating an internet protocol suite checksum in a single macro instruction Merwin H. Alferness, Peter B. Criswell, James R. McBreen 1997-12-23
5659794 System architecture for improved network input/output processing Charles R. Caldarale, Peter J. Hancock, Robert M. Malek, James R. McBreen, Hans C. Mikkelsen +1 more 1997-08-19
5602998 Dequeue instruction in a system architecture for improved message passing and process synchronization Merwin H. Alferness, Charles R. Caldarale, David C. Johnson, James R. McBreen, Wayne D. Ward 1997-02-11
5583561 Multi-cast digital video data server using synchronization groups Donn B. Baker, Ralph E. Sipple 1996-12-10
5555396 Hierarchical queuing in a system architecture for improved message passing and process synchronization Merwin H. Alferness, Charles R. Caldarale, Joseph P. Kerzman, James R. McBreen 1996-09-10
4633461 Switching control for multiple stage time division switch Randall G. Banton, Rajiv Bhatia, Donald B. Grust, Joseph G. Kneuer, Kuang-Shin Lin +4 more 1986-12-30