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

James D. Last — 6 Patents

BEBsh Electronics: 5 patents #1 of 3Top 35%
Llanfairfechan, GB: #1 of 4 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
James D. Last has been granted 6 US patents while listed as an inventor at Bsh Electronics. The first was granted in 1987 and the most recent in March 1994. James D. Last ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list James D. Last in Llanfairfechan, GB.

Patents per Year

Patents granted per year, 1987 to 1994Bar chart with a peak of 3 patents in 1990.peak 31987: 1 patents19871988: 1 patents19881990: 3 patents19901994: 1 patents1994

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5293174 Vehicle antenna Jerzy J. Kropielnicki, Brian Easter 1994-03-08
4928108 Electrical signal separating device having isolating and matching circuitry for split passband matching Jerzy J. Kropielnicki, Brian Easter 1990-05-22
4903034 Electrical signal separating device having isolating and matching circuitry Jerzy J. Kropielnicki, Brian Easter 1990-02-20
4903035 Electrical signal separating device having isolating and matching circuitry Jerzy J. Kropielnicki, Brian Easter 1990-02-20
4761826 Signal separating device Jerzy J. Kropielnicki, Brian Easter 1988-08-02
4654669 Electrical signal separating device for window antenna having isolating and matching circuitry Jerzy J. Kropielnicki, Brian Easter 1987-03-31