Inventor · Muscatine, IA, US

Matthew J. Phillips

44Patents
15h-index
52Co-inventors
84Inventor score

Filing activity: Aug 28, 1998 → Apr 6, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6572190B2 Lumbar support for a chair Human Necessities 265 Expired
US6598251B2 Body support system Emerging Cross-Sectional Technologies 239 Expired
US6729691B2 Chair back construction Human Necessities 228 Expired
US6669292B2 Ergonomic chair Human Necessities 192 Expired
US6568760B2 Chair of modular construction Human Necessities 84 Expired
USD476821S1 Ergonomic chair General 65 Expired
US6687933B2 Body support system with energy dissipation means Emerging Cross-Sectional Technologies 64 Expired
US6688692B2 Locking device for chair seat horizontal adjustment mechanism Human Necessities 37 Expired
USD577295S1 Food container sleeve General 36 Expired
USD446396S Chair General 35 Expired
US6634711B2 Adjustable chair seat with locking mechanism Human Necessities 31 Expired
US6633666B2 Process and system for defining and visually depicting colors from the components of arbitrary color models Electricity 19 Expired
US6702386B2 Height and pivot-adjustable chair arm Human Necessities 18 Expired
US6773072B2 Vertically and horizontally adjustable chair armrest Human Necessities 17 Expired
USD477151S1 Armless ergonomic chair General 16 Expired
US8025179B2 Circumferential sleeve for holding a food container upright Performing Operations; Transporting 9 Active
US7826683B2 Directional feathering of image objects Physics 8 Active
USD467103S1 Chair arm General 7 Expired
US7880942B1 Method and apparatus for converting color coefficients between color spaces Electricity 5 Active
US9320891B2 Lead anchor for implantable devices and methods of manufacture and use Human Necessities 4 Active
US7755796B1 Method and apparatus for selectively converting color values in a document Electricity 4 Active
USD479929S1 Chair arm General 4 Expired
US8489989B1 Methods and systems for preflighting using multiple preflight profiles Physics 2 Active
US11673592B2 Cart for medical equipment Performing Operations; Transporting 1 Active
US11254340B2 Cart for medical equipment Performing Operations; Transporting 1 Active

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