Inventor · Ann Arbor, MI, US

Brian N. Johnson

10Patents
5h-index
20Co-inventors
66Inventor score

Filing activity: Sep 15, 1995 → Jan 22, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6379929B1 Chip-based isothermal amplification devices and methods Performing Operations; Transporting 632 Expired
US6057149A Microscale devices and reactions in microscale devices Emerging Cross-Sectional Technologies 391 Expired
US6048734A Thermal microvalves in a fluid flow method Emerging Cross-Sectional Technologies 212 Expired
US6271021A Microscale devices and reactions in microscale devices Emerging Cross-Sectional Technologies 127 Expired
US8071056B2 Thermal microvalves Emerging Cross-Sectional Technologies 62 Active
US6949385B1 Thermal microvalves Emerging Cross-Sectional Technologies 5 Expired
US8573259B2 Modular microfluidic assembly block and system including the same Emerging Cross-Sectional Technologies 4 Active
US7066453B2 Microscale reaction devices Emerging Cross-Sectional Technologies 2 Expired
US8617905B2 Thermal microvalves Emerging Cross-Sectional Technologies 0 Active
US11953459B2 Multi-functional water quality sensor Physics 0 Active

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