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

Robert E. Johnson — 9 Patents

PLPowertech Labs: 2 patents #1 of 23Top 5%
Ford: 2 patents #6,478 of 17,473Top 40%
Northville, MI: #213 of 1,240 inventorsTop 20%
Michigan: #10,673 of 86,293 inventorsTop 15%
Overall (All Time): #535,341 of 4,157,543Top 15%
9 Patents All Time
Robert E. Johnson has been granted 9 US patents while listed as an inventor at Powertech Labs. The first was granted in 1989 and the most recent in December 2016. Robert E. Johnson ranks #535,341 of 4,157,543 US inventors in our database (top 12.9%). Patent records list Robert E. Johnson in Northville, MI, US.

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9522681 System and method for restricting audio transmission based on driver status Thomas Lee Miller, Kenneth Nkosi Williams 2016-12-20 $9,863,000
8989699 Methods and apparatus for selective emergency alert notification and response David Anthony Hatton 2015-03-24 $10,630,000
D696701 Trash compactor 2013-12-31
8060967 Rotary hair brush with debris remover 2011-11-22
5520576 Fish filleting machine Trevor T. Wastell 1996-05-28
D341642 Ball striking club Maurice A. Brown, John D. Leonard, Richard O. Raymond 1993-11-23
D304749 Golf course marker Eloise A. K. Johnson, James W. Johnson 1989-11-21
4854074 Injection capsule for treating trees William R. Dinsmore 1989-08-08
4848028 Injection tool for treating trees William R. Dinsmore, Christopher I. Hunt 1989-07-18