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

Ray Jahn — 4 Patents

Ford: 4 patents #4,046 of 17,473Top 25%
Ann Arbor, MI: #1,956 of 6,071 inventorsTop 35%
Michigan: #22,248 of 86,293 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Ray Jahn has been granted 4 US patents while listed as an inventor at Ford. The first was granted in 2002 and the most recent in February 2004. Ray Jahn ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Ray Jahn in Ann Arbor, MI, US.

Patents per Year

Patents granted per year, 2002 to 2004Bar chart with a peak of 2 patents in 2003.peak 22002: 1 patents20022003: 2 patents20032004: 1 patents2004

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
6691909 Sonotrode for ultrasonic welding apparatus Jan Skogsmo, Larry Reatherford, Oludele O. Popoola, Vijitha Senaka Kiridena 2004-02-17 $26,199,000
6651872 Method and apparatus for disassembling joined layers Carl F. Johnson, Elizabeth Therese Hetrick, Oludele O. Popoola 2003-11-25 $12,572,000
6558491 Apparatus for ultrasonic welding Oludele O. Popoola, Larry Reatherford, Ronald Cooper 2003-05-06 $13,919,000
6464933 Forming metal foam structures Oludele O. Popoola, Robert Corbly McCune 2002-10-15 $21,414,000