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

Ralph G. Devoe — 4 Patents

IBM: 4 patents #21,783 of 70,183Top 35%
Palo Alto, CA: #4,210 of 9,675 inventorsTop 45%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ralph G. Devoe has been granted 4 US patents while listed as an inventor at IBM. The first was granted in 1993 and the most recent in April 2001. Ralph G. Devoe ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ralph G. Devoe in Palo Alto, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6218657 System for gated detection of optical pulses containing a small number of photons using an avalanche photodiode Donald S. Bethune, Christian KURTSIEFER, Charles Thomas Rettner, William P. Risk 2001-04-17 $20,042,000
5793091 Parallel architecture for quantum computers using ion trap arrays 1998-08-11 $8,339,000
5379000 Atomic clock employing ion trap of mono- or multi-planar geometry Richard Grant Brewer, Kenneth L. Foster, John A. Hoffnagle, Reinald Kallenbach 1995-01-03 $8,869,000
5248883 Ion traps of mono- or multi-planar geometry and planar ion trap devices Richard Grant Brewer, Kenneth L. Foster, John A. Hoffnagle, Reinald Kallenbach 1993-09-28 $10,590,000