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

Ladd T. Johnson — 11 Patents

ELElectroglas: 8 patents #1 of 34Top 3%
Intuitive Surgical: 3 patents #367 of 719Top 55%
Scotts Valley, CA: #77 of 513 inventorsTop 20%
California: #56,011 of 386,348 inventorsTop 15%
Overall (All Time): #435,149 of 4,157,543Top 15%
11 Patents All Time
Ladd T. Johnson has been granted 11 US patents while listed as an inventor at Electroglas. The first was granted in 2004 and the most recent in May 2025. Ladd T. Johnson ranks #435,149 of 4,157,543 US inventors in our database (top 10.5%). Patent records list Ladd T. Johnson in Scotts Valley, CA, US.

Patents per Year

Patents granted per year, 2004 to 2025Bar chart with a peak of 2 patents in 2004.peak 22004: 2 patents20042005: 1 patents20052006: 2 patents20062007: 2 patents20072008: 1 patents20082021: 1 patents20212024: 1 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12310691 Multi-cable medical instrument Bram Gilbert Antoon Lambrecht, S. Christopher Anderson 2025-05-27
11950873 Multi-cable medical instrument Bram Gilbert Antoon Lambrecht, S. Christopher Anderson 2024-04-09 $94,704,000
11207145 Multi-cable medical instrument Bram Gilbert Antoon Lambrecht, S. Christopher Anderson 2021-12-28 $172,610,000
7453260 Testing circuits on substrate Timothy J. Boyle, Wayne E. Richter, Lawrence A. Tom 2008-11-18 $121,000
7259548 Testing circuits on substrate Timothy J. Boyle, Wayne E. Richter, Lawrence A. Tom 2007-08-21 $604,000
7180284 Testing circuits on substrates Timothy J. Boyle, Wayne E. Richter, Lawrence A. Tom 2007-02-20 $815,000
7098649 Testing circuits on substrates Timothy J. Boyle, Wayne E. Richter, Lawrence A. Tom 2006-08-29 $972,000
7002337 Testing circuits on substrates Timothy J. Boyle, Wayne E. Richter, Lawrence A. Tom 2006-02-21 $1,370,000
6861859 Testing circuits on substrates Timothy J. Boyle, Wayne E. Richter, Lawrence A. Tom 2005-03-01 $1,537,000
6781394 Testing circuits on substrate Timothy J. Boyle, Wayne E. Richter, Lawrence A. Tom 2004-08-24 $1,043,000
6771060 Testing circuits on substrates Timothy J. Boyle, Wayne E. Richter, Lawrence A. Tom 2004-08-03 $1,201,000