Inventor · Wheaton, IL, US

Steven D. Looman

14Patents
7h-index
25Co-inventors
66Inventor score

Filing activity: Sep 6, 1991 → Feb 11, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5239405A Electrochemichromic solutions, processes for preparing and using the same, and devices manufactured with the same Physics 347 Expired
US5500760A Electrochemichromic solutions, processes for preparing and using the same, and devices manufactured with the same Physics 238 Expired
US5611966A Electrochemichromic solutions, processes for preparing and using the same, and devices manufacturing with the same Physics 168 Expired
US5679143A Bleed alleviation in ink jet inks using acids containing a basic functional group Chemistry; Metallurgy 63 Expired
US6354693B1 Printing of color ink under and over black text and graphics areas Physics 16 Expired
US6244687A Mixing overprinting and underprinting of inks in an inkjet printer to speed up the dry time of black ink without undesirable hue shifts Physics 10 Expired
US7147801B2 Ink jet ink composition and method for security marking Emerging Cross-Sectional Technologies 10 Expired
US8389075B2 Sulfur-containing inorganic media coatings for ink-jet applications Performing Operations; Transporting 2 Active
US7297201B2 Indelible ink jet ink composition Chemistry; Metallurgy 2 Expired
US7435448B2 Sulfur-containing inorganic media coatings for ink-jet applications Performing Operations; Transporting 1 Expired
US11709407B2 Immobilized buffers in electroactive devices Physics 0 Active
US11067867B2 Electrochromic organic frameworks Physics 0 Active
US11906866B2 Electrochromic films and methods of forming and using Physics 0 Active
US11231632B2 Low-volatile electro-optic electrolyte solvents containing cylic organic carbonates Physics 0 Active

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