Inventor · Alameda, CA, US

Gregory Stephen Lewis

31Patents
6h-index
42Co-inventors
69Inventor score

Filing activity: Dec 30, 1999 → Jan 5, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6816447B1 Creation of synchronization marks in multilevel optical data storage Physics 27 Expired
US7149178B2 Method and format for reading and writing in a multilevel optical data systems Physics 13 Expired
US7736421B2 High saturation ratio water condensation device and method Physics 11 Active
US8801838B2 Advanced laminar flow water condensation technology for ultrafine particles Emerging Cross-Sectional Technologies 10 Active
US9610531B2 Wick wetting for water condensation systems Physics 7 Active
US6771570B1 Method and format for reading and writing in a multilevel optical data system Physics 6 Expired
US7572402B2 Method of overmolding circuit Emerging Cross-Sectional Technologies 4 Active
US10520414B2 Condensation particle counter false count performance Physics 4 Active
US8459572B2 Focusing particle concentrator with application to ultrafine particles Physics 3 Active
US10914667B2 Condensation particle counter false count performance Physics 3 Active
US9579662B2 Condensation-evaporator nanoparticle charger Physics 3 Active
US9821263B2 Advanced laminar flow water condensation technology for ultrafine particles Emerging Cross-Sectional Technologies 3 Active
US10449003B2 Individualized preoperative planning system and method Human Necessities 3 Active
US7145858B2 Creation of synchronization marks in multilevel optical data storage Physics 2 Expired
US7575220B2 Curved slit valve door Mechanical Engineering; Lighting; Heating 2 Expired
US10932713B2 Mobile monitoring of fracture healing in external fixators Human Necessities 2 Active
US8528599B2 Pulse width modulated solenoid Emerging Cross-Sectional Technologies 2 Active
US9028775B2 Growth tube microchip electrophoresis system for monitoring of aerosol composition Physics 1 Active
US10252237B2 Sustained super-saturations for condensational growth of particles Physics 1 Active
US11305138B2 In situ respirator fit testing Physics 1 Active
US11029240B2 Wick moisture sensor for airborne particle condensational growth systems Physics 1 Active
US9658139B2 System and method for the concentrated collection of airborne particles Physics 1 Active
US10882018B2 Apparatus for sustained super-saturations for condensational growth of particles Physics 0 Active
US10488314B2 Condensation particle counter false count performance General 0 Revoked
US11237091B2 Humidity conditioning for water-based condensational growth of ultrafine particles Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.