Inventor · Clichy, FR

David Duffy

38Patents
1h-index
22Co-inventors
46Inventor score

Filing activity: Nov 22, 2019 → Mar 13, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US11651537B2 Generating visual feedback Physics 1 Active
US11503049B2 Method and apparatus for compromised IoT device detection Electricity 1 Active
US11885970B2 Blue light reduction Physics 1 Active
US12005730B2 Self-healing seal for a writing instrument Performing Operations; Transporting 0 Active
US12076493B2 Rendering media content based on a breathing sequence Physics 0 Active
US11734288B2 Information providing method Human Necessities 0 Active
US12050878B2 Handwriting text summarization Physics 0 Active
US11935140B2 Initiating communication between first and second users Electricity 0 Active
US11823585B2 Methods and systems for writing skill development Human Necessities 0 Active
US11529824B2 Pen with multiple colors Performing Operations; Transporting 0 Active
US12190747B2 Digital writing systems and methods Physics 0 Active
US12299777B2 Writing instrument and method Physics 0 Active
US12039025B2 Biometric authentication through vascular monitoring Physics 0 Active
US12400628B2 Event masking Physics 0 Active
US12030339B2 Passive variable friction pen Performing Operations; Transporting 0 Active
US11574081B2 User interface manipulation in a foldable screen device Physics 0 Active
US11672731B2 Cardiopulmonary resuscitation device, control method and computer program Human Necessities 0 Active
US11221882B2 Resource allocation Physics 0 Active
US11534366B2 Cardiopulmonary resuscitation device, control method and computer program Human Necessities 0 Active
US11869130B2 Generating visual feedback Physics 0 Active
US11991305B2 Rendering messages in response to user-object interaction Physics 0 Active
US11884092B2 Writing instrument comprising a switchable flow material Performing Operations; Transporting 0 Active
US11744771B2 Cardiopulmonary resuscitation device, control, method and computer program Human Necessities 0 Active
US12399579B2 Writing instruments with integrated data handling and haptic feedback subsystems Physics 0 Active
US12056510B2 Generating artwork tutorials Physics 0 Active

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