Inventor · Toronto, ON, CA

John Larsen

20Patents
7h-index
15Co-inventors
66Inventor score

Filing activity: Nov 29, 1989 → Jun 28, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8961904B2 Microfluidic chip Emerging Cross-Sectional Technologies 33 Active
US9588100B2 Microfluidic system and method with focused energy apparatus Physics 28 Active
US11187224B2 Microfluidic chip Emerging Cross-Sectional Technologies 14 Active
US8788943B2 Unlocking emoticons using feature codes Electricity 12 Active
US8719730B2 Radial user interface and system for a virtual world game Physics 10 Active
US5012660A Control system and method for compensating for speed effect in a tandem cold mill Performing Operations; Transporting 9 Expired
US4998427A Method for rolling on-gauge head and tail ends of a workpiece Performing Operations; Transporting 7 Expired
US8898233B2 Matchmaking system for virtual social environment Physics 4 Active
US9403089B2 System and method for limiting the number of characters displayed in a common area Human Necessities 2 Active
US11415503B2 Microfluidic system and method with focused energy apparatus Physics 2 Active
US8458602B2 System and method for limiting the number of characters displayed in a common area Human Necessities 2 Active
US10981163B2 Method and system for hydrophobic coating of microfluidic chips Performing Operations; Transporting 0 Active
US11796449B2 Microfluidic system and method with focused energy apparatus Physics 0 Active
US9782674B2 Synchronizing system for gameplaying Human Necessities 0 Active
US10928298B2 Microfluidic system and method with focused energy apparatus Physics 0 Active
US10099126B2 Synchronizing system for gameplaying Human Necessities 0 Active
US11639888B2 Microfluidic system and method with focused energy apparatus Physics 0 Active
US9050534B2 Achievements for a virtual world game Physics 0 Active
US10488320B2 Microfluidic chip Emerging Cross-Sectional Technologies 0 Active
US11512691B2 Microfluidic chip Emerging Cross-Sectional Technologies 0 Active

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