Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
FS

Fred E. Schader — 4 Patents

ASArgon St: 1 patents #2 of 23Top 9%
San Jose, CA: #12,472 of 32,062 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Fred E. Schader has been granted 4 US patents while listed as an inventor at Argon St. The first was granted in 1994 and the most recent in July 2013. Fred E. Schader ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Fred E. Schader in San Jose, CA, US.

Patents per Year

Patents granted per year, 1994 to 2013Bar chart with a peak of 2 patents in 1995.peak 21994: 1 patents19941995: 2 patents19952013: 1 patents2013

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8483649 System and method for an energy efficient RF transceiver Harry Lee, Bong K. Ryu, Liangping Ma, Hua Zhu 2013-07-09
5426438 Method and apparatus for adaptively determining the bearing angle of a radio frequency signal David L. Peavey, Katherine A. Tieszen, Timothy D. Stephens, Nicholas Cianos, John R. Conkle 1995-06-20
5412390 Apparatus and method for reducing co-channel interference from a radio frequency signal David L. Peavey, Katherine A. Tieszen, Kristina Pagnini, Timothy D. Stephens, Nicholas Cianos +1 more 1995-05-02
5323167 Antenna configuration and system for determining the direction of a radio frequency signal David L. Peavey, Katherine A. Tieszen, Timothy D. Stephens, Thomas J. Birnbaum, Nicholas Cianos +1 more 1994-06-21