Inventor · San Jose, CA, US

Hao Du

26Patents
9h-index
28Co-inventors
71Inventor score

Filing activity: Dec 28, 2007 → Sep 4, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
USD754233S1 Folding camera General 89 Active
US9242714B2 Transformable aerial vehicle Performing Operations; Transporting 77 Active
US9493225B2 Aerial vehicle with frame assemblies Performing Operations; Transporting 67 Active
USD785541S1 Aircraft General 57 Active
US9242729B1 Transformable aerial vehicle Performing Operations; Transporting 42 Active
US8931730B2 Transformable aerial vehicle Performing Operations; Transporting 40 Active
USD792318S1 Screw propeller General 15 Active
US9099762B2 Composite phase change material Emerging Cross-Sectional Technologies 10 Active
US8963497B2 Cordless tool system Human Necessities 9 Active
US9284052B1 Aerial vehicle with frame assemblies Performing Operations; Transporting 8 Active
US9460429B2 GPS-based toll collection system and method Physics 8 Active
US8063340B2 Method for controlling the consistency of an arc welding process by monitoring welding voltage to determine weld droplet detachment Performing Operations; Transporting 5 Active
USD785566S1 Electric motor General 4 Active
USD807416S1 Folding mechanism of a machine arm General 4 Active
US10420608B2 System for laser ablation surgery Human Necessities 4 Active
US9884681B2 Aerial vehicle with frame assemblies Performing Operations; Transporting 2 Active
US10046844B2 Aerial vehicle with frame assemblies Performing Operations; Transporting 2 Active
US11013271B2 Multiple-tar-cabin electronic cigarette Human Necessities 1 Active
US10867215B2 Mixed intelligence data labeling system for machine learning Physics 1 Active
US10075877B1 Systems and methods for using radio layer information to enhance network transfer protocols Emerging Cross-Sectional Technologies 1 Active
US9548614B2 Cordless tool system Human Necessities 1 Active
US9935730B1 Systems and methods for using radio layer information to enhance network transfer protocols Electricity 1 Active
US11311334B2 System for laser ablation surgery Human Necessities 0 Active
US9849964B2 Aerial vehicle with frame assemblies General 0 Revoked
US9979208B2 Cordless tool system with a battery pack having a heat absorbing device Human Necessities 0 Active

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