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

Richard C. Allen — 57 Patents

3M: 47 patents #166 of 11,543Top 2%
PLPhotonics & Co., Limited: 8 patents #1 of 18Top 6%
BUBrown University: 1 patents #184 of 478Top 40%
RARolic Ag: 1 patents #55 of 102Top 55%
IBM: 1 patents #44,794 of 70,183Top 65%
Los Gatos, CA: #105 of 2,986 inventorsTop 4%
California: #6,332 of 386,348 inventorsTop 2%
Overall (All Time): #43,237 of 4,157,543Top 2%
57 Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
5191461 Infrared network transceiver apparatus Charles L. Cranshaw, John Piccone, James E. Sacherman, John W. Toor 1993-03-02
5142538 Link protocol for RS 232 communications Stanley L. Fickes, Bernard E. Stewart, Robert J. Grady, Rick L. Reagan, John Piccone 1992-08-25
5124991 Error correction for infrared data communication 1992-06-23
5119226 Infrared network entry permission apparatus Robert J. Grady, Louis R. Janis, John Piccone, Bernard E. Stewart 1992-06-02
5106533 Pigment dispersions William A. Hendrickson, Robin E. Wright, James A. Baker, William M. Lamanna 1992-04-21
5030669 Pigment dispersions William A. Hendrickson, Robin E. Wright, James A. Baker, William M. Lamanna 1991-07-09
4977618 Infrared data communications 1990-12-11