Inventor · London, ON, CA

Joseph Lem

2Patents
2h-index
7Co-inventors
27Inventor score

Filing activity: May 26, 2000 → Oct 2, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US6518577B1 Optical radiation sensor system with cleaning device Physics 8 Expired
US6863078B1 Fluid treatment system and cleaning apparatus therefor Chemistry; Metallurgy 5 Expired

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