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

John Magarshack — 6 Patents

THThomson-Csf: 5 patents #171 of 2,054Top 9%
TMThomson Composants Microondes: 1 patents #16 of 31Top 55%
Rueil-Malmaison, FR: #178 of 1,044 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John Magarshack has been granted 6 US patents while listed as an inventor at Thomson-Csf. The first was granted in 1986 and the most recent in May 1994. John Magarshack ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John Magarshack in Rueil-Malmaison, FR.

Patents per Year

Patents granted per year, 1986 to 1994Bar chart with a peak of 2 patents in 1994.peak 21986: 1 patents19861987: 1 patents19871988: 1 patents19881991: 1 patents19911994: 2 patents1994

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5313193 Object-marking means, method for making such means and reading device Jean-Claude Dubois 1994-05-17 $12,000
5294841 Method of shifting the phase of an electrical signal and a phase-shifter based on this method 1994-03-15
5012321 Interconnection device between the cells of a pre-implanted hyperfrequency integrated circuit 1991-04-30 $9,000
4721985 Variable capacitance element controllable by a D.C. voltage Dimitrios Pavlidis, Erhard Kohn, Ernesto Perea 1988-01-26 $11,000
4682127 Ultra-high frequency signal switching matrix having active component switching junctions 1987-07-21 $7,000
4631492 Ultra high frequency power amplifier Dimitri Pavlidis 1986-12-23 $11,000