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

David R. Czajkowski — 17 Patents

SESpace Electronics: 5 patents #1 of 4Top 25%
SMSpace Micro: 5 patents #1 of 9Top 15%
MTMaxwell Technologies: 1 patents #57 of 97Top 60%
Encinitas, CA: #150 of 1,440 inventorsTop 15%
California: #35,467 of 386,348 inventorsTop 10%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
David R. Czajkowski has been granted 17 US patents while listed as an inventor at Space Electronics. The first was granted in 1997 and the most recent in February 2021. David R. Czajkowski ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list David R. Czajkowski in Encinitas, CA, US.

Patents per Year

Patents granted per year, 1997 to 2021Bar chart with a peak of 2 patents in 1999.peak 21997: 1 patents19971998: 1 patents1999: 2 patents19992000: 1 patents2004: 1 patents20042006: 2 patents2007: 2 patents20072008: 1 patents2011: 1 patents20112014: 1 patents2016: 2 patents20162017: 1 patents2021: 1 patents2021

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10909254 Object level encryption system including encryption key management system 2021-02-02
9795116 Pet hair brush 2017-10-24
9485229 Object level encryption system including encryption key management system 2016-11-01
9236644 Programmable microwave integrated circuit 2016-01-12
8886994 Radiation hard and fault tolerant multicore processor and method for ionizing radiation environment 2014-11-11
RE42314 Functional interrupt mitigation for fault tolerant computer Darrell Sellers 2011-04-26
7318169 Fault tolerant computer 2008-01-08
7260742 SEU and SEFI fault tolerant computer 2007-08-21
7237148 Functional interrupt mitigation for fault tolerant computer Darrell Sellers 2007-06-26
7148084 Radiation shielding of integrated circuits and multi-chip modules in ceramic and metal packages David J. Strobel 2006-12-12 $1,424,000
7100048 Encrypted internet and intranet communication device Bernard Gudaitis 2006-08-29
6720493 Radiation shielding of integrated circuits and multi-chip modules in ceramic and metal packages David J. Strobel 2004-04-13
6064555 Radiation induced single event latchup protection and recovery of integrated circuits James C. Marshall 2000-05-16
5889316 Radiation shielding of plastic integrated circuits David J. Strobel 1999-03-30
5880403 Radiation shielding of three dimensional multi-chip modules Neil Eggleston, Janet Patterson 1999-03-09
5825042 Radiation shielding of plastic integrated circuits David J. Strobel 1998-10-20
5635754 Radiation shielding of integrated circuits and multi-chip modules in ceramic and metal packages David J. Strobel 1997-06-03