Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Jonathan T. Shibata — 33 Patents

General Motors: 31 patents #334 of 18,328Top 2%
Iron River, MI: #8 of 361 inventorsTop 3%
Michigan: #1,867 of 86,293 inventorsTop 3%
Overall (All Time): #107,979 of 4,157,543Top 3%
33 Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
8301362 Method and system for generating a diagnostic signal of an engine component using an in-cylinder pressure sensor Kenneth J. Buslepp, Douglas R. Verner, Joseph R. Dulzo, Daniel G. Brennan, Joshua D. Cowgill 2012-10-30
8255143 Diagnostic systems and methods for sensors in homogenous charge compression ignition engine systems Andrew P. Bagnasco 2012-08-28
8118010 Diagnostic systems and methods for fuel injectors in homogenous charge compression ignition engine systems Vijay Ramappan, Andrew P. Bagnasco 2012-02-21
8000880 Fuel quality detection using torque and engine speed Kenneth J. Buslepp, Donovan L. Dibble, Mary Beth Furness 2011-08-16
7900601 Injection advancement for piston cooling in spark ignition direct injection engines Jesse M. Gwidt, Michael Simon, Karen Margaret-Bell Gwidt 2011-03-08
7599785 Multiple injection blend for direct injected engines Jesse M. Gwidt, Vijay Ramappan, Stuart R. Smith, Michael J. Lucido 2009-10-06
7478625 Engine cranking system with cylinder deactivation for a direct injection engine Jesse M. Gwidt, Vijay Ramappan, Stuart R. Smith, Michael J. Lucido 2009-01-20
7415348 Multiple injection blend for direct injected engines Vijay Ramappan, Jesse M. Gwidt, Stuart R. Smith, Michael J. Lucido 2008-08-19