Inventor · San Jose, CA, US

Timothy Day

34Patents
15h-index
17Co-inventors
78Inventor score

Filing activity: Mar 28, 1977 → Jan 19, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7466734B1 Compact external cavity mid-IR optical lasers Electricity 54 Active
US8050307B2 Compact mid-IR laser Electricity 45 Active
US7492806B2 Compact mid-IR laser Electricity 42 Expired
US4545177A Packing process and apparatus Performing Operations; Transporting 37 Expired
US7535936B2 External cavity tunable compact Mid-IR laser Electricity 34 Expired
US7920608B2 Quantum cascade laser suitable for portable applications Electricity 31 Active
US7535656B2 Lenses, optical sources, and their couplings Electricity 29 Active
US4132048A Vacuum packaging bulk commodities Performing Operations; Transporting 28 Expired
US7424042B2 Extended tuning in external cavity quantum cascade lasers Electricity 25 Active
US7826503B2 Extended tuning in external cavity quantum cascade lasers Electricity 23 Active
US7873094B2 Compact Mid-IR laser Electricity 23 Active
US5189547A Electro-optical light modulator driven by a resonant electrical circuit Physics 21 Expired
US7796341B2 Lenses, optical sources, and their couplings Electricity 21 Active
US8027094B2 Lenses, optical sources, and their couplings Electricity 21 Active
US4229927A Process and apparatus for vacuum packing Performing Operations; Transporting 20 Expired
US8189630B2 Quantum cascade laser suitable for portable applications Electricity 15 Active
US8442081B2 Quantum cascade laser suitable for portable applications Electricity 15 Active
US8306077B2 High output, mid infrared laser source assembly Electricity 15 Active
US4182095A Packaging bulk commodities Performing Operations; Transporting 13 Expired
US7209498B1 Method and apparatus for tuning a laser Electricity 12 Expired
US6614829B1 Mechanically grounded tunable laser Electricity 8 Expired
US6493365B1 Passive thermal stabilization of the optical path length in a tunable laser Electricity 6 Expired
US10022656B2 Filter pad Performing Operations; Transporting 6 Active
US8774244B2 Thermal pointer Electricity 3 Active
US9432592B2 Infrared imaging microscope using tunable laser radiation Electricity 2 Active

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