Inventor · Tucson, AZ, US

R. Stephen Mulder

7Patents
3h-index
7Co-inventors
46Inventor score

Filing activity: Dec 9, 1997 → Nov 19, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US8152327B2 Focusing lens system Emerging Cross-Sectional Technologies 48 Active
US8613530B2 Compact light-mixing LED light engine and white LED lamp with narrow beam and high CRI using same Mechanical Engineering; Lighting; Heating 8 Active
US9534743B2 Directional lamp with beam forming optical system including a lens and collecting reflector Mechanical Engineering; Lighting; Heating 3 Active
US6010233A Automobile headlamp reflector Mechanical Engineering; Lighting; Heating 2 Expired
USD682462S1 Environmental chamber light cap General 1 Active
USD672082S1 LED light General 1 Active
US6856389B2 Portable reflex comparator Physics 0 Expired

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