Inventor · Pasadena, CA, US

Douglas A. Collins

53Patents
15h-index
31Co-inventors
84Inventor score

Filing activity: Nov 13, 1995 → Jan 21, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6001183A Wafer carriers for epitaxial growth processes Chemistry; Metallurgy 426 Expired
USD635563S1 Optical network terminal General 39 Expired
US7635247B2 Telescoping vehicle step Performing Operations; Transporting 35 Active
US6754081B2 Pop-up friction hinge having multiple levels of torque Fixed Constructions 33 Expired
US6838073B1 Cobalamin conjugates useful as imaging and therapeutic agents Human Necessities 31 Expired
US5739313A Radionuclide labeling of vitamin B.sub.12 and coenzymes thereof Human Necessities 25 Expired
US5772758A Near real-time extraction of deposition and pre-deposition characteristics from rotating substrates and control of a deposition apparatus in near real-time Emerging Cross-Sectional Technologies 24 Expired
US9455300B1 Pixel array of ultraviolet light emitting devices Electricity 22 Active
US6613305B1 Radionuclide labeling of vitamin B12 and coenzymes thereof Human Necessities 21 Expired
US6096290A Radionuclide labeling of vitamin B.sub.12 and coenzymes thereof Human Necessities 21 Expired
US9461198B2 Backside transparent substrate roughening for UV light emitting diode Electricity 20 Active
US6004533A Radionuclide labeling of vitamin B.sub.12 and coenzymes thereof Human Necessities 19 Expired
US10363327B2 Luminaire with white light LEDs and UV LEDs for lighting and disinfection Physics 18 Active
US9540252B1 Ultraviolet disinfection system Chemistry; Metallurgy 17 Active
US6211355A Radionuclide labeling of vitamin B12 and coenzymes thereof Human Necessities 15 Expired
US10166309B2 White light LEDs and UV LEDs in same luminaire for lighting and disinfection Physics 13 Active
US9789215B1 Ultraviolet disinfection system Chemistry; Metallurgy 11 Active
US7531162B2 Transcobalamin receptor binding conjugates useful for treating abnormal cellular proliferation Human Necessities 11 Active
US6806363B1 Cobalamin conjugates useful as antitumor agents Human Necessities 11 Expired
US9834456B2 Ultraviolet disinfection system Emerging Cross-Sectional Technologies 10 Active
US7179445B2 Cobalamin conjugates useful as imaging and therapeutic agents Human Necessities 8 Expired
US7141233B2 Radionuclide labeling of vitamin B12 and coenzymes thereof Human Necessities 8 Expired
USD1002623S1 Network interface device bracket General 7 Active
US7408967B2 Method of fabricating single mode VCSEL for optical mouse Electricity 6 Expired
US7791591B2 Optical mouse using VCSELs Physics 6 Active

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