Inventor · Roseville, MN, US

Jiyan Liu

22Patents
17h-index
14Co-inventors
78Inventor score

Filing activity: Apr 20, 1995 → Jul 24, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5800397A Angiographic system with automatic high/low pressure switching Emerging Cross-Sectional Technologies 378 Expired
US6221045A Angiographic injector system with automatic high/low pressure switching Emerging Cross-Sectional Technologies 319 Expired
US5573515A Self purging angiographic injector Emerging Cross-Sectional Technologies 253 Expired
US6656157B1 Infinitely refillable syringe Emerging Cross-Sectional Technologies 234 Expired
US6626862B1 Fluid management and component detection system Emerging Cross-Sectional Technologies 194 Expired
US6099502A Dual port syringe Emerging Cross-Sectional Technologies 152 Expired
US5882343A Dual port syringe Human Necessities 151 Expired
US6344030B1 Random speed change injector Emerging Cross-Sectional Technologies 137 Expired
US6447481B1 System for detecting air Emerging Cross-Sectional Technologies 101 Expired
US7662124B2 System and method for multiple injection procedures on heart vessels Emerging Cross-Sectional Technologies 96 Expired
US8082018B2 System and method for multiple injection procedures on heart vessels Human Necessities 81 Active
US7267666B1 Angiographic injector system with multiple processor redundancy Emerging Cross-Sectional Technologies 50 Expired
US7128729B2 Angiographic injector system and method of use Emerging Cross-Sectional Technologies 48 Expired
US6746427B2 System for detecting air Emerging Cross-Sectional Technologies 43 Expired
US7753885B2 Angiographic injector and injection method Emerging Cross-Sectional Technologies 31 Expired
US6945959B2 System for detecting air Emerging Cross-Sectional Technologies 29 Expired
US7153288B2 System for detecting air Emerging Cross-Sectional Technologies 27 Expired
US8758294B2 Balloon inflation device Human Necessities 12 Active
US7357785B2 System for detecting air Emerging Cross-Sectional Technologies 5 Active
USD412205S Dual port syringe General 2 Expired
US7959605B2 Angiographic injector and injection method Emerging Cross-Sectional Technologies 0 Active
US12133123B2 Method and apparatus for connection reconfiguration Electricity 0 Active

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