Inventor · Corvallis, OR, US

Robert C. Maze

19Patents
12h-index
20Co-inventors
78Inventor score

Filing activity: Jun 18, 1976 → Sep 28, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US6491377B1 High print quality printhead Performing Operations; Transporting 45 Expired
US6139131A High drop generator density printhead Performing Operations; Transporting 45 Expired
US6371596B1 Asymmetric ink emitting orifices for improved inkjet drop formation Performing Operations; Transporting 34 Expired
US5766327A Ink compositions having superior decap and dry-time performance Chemistry; Metallurgy 27 Expired
US6309052A High thermal efficiency ink jet printhead Performing Operations; Transporting 21 Expired
US5369428A Bidirectional ink jet printing Physics 20 Expired
US6132033A Inkjet print head with flow control manifold and columnar structures Performing Operations; Transporting 20 Expired
US6247798A Ink compensated geometry for multi-chamber ink-jet printhead Performing Operations; Transporting 16 Expired
US6227640A Variable drop mass inkjet drop generator Emerging Cross-Sectional Technologies 15 Expired
US6270201A Ink jet drop generator and ink composition printing system for producing low ink drop weight with high frequency operation Performing Operations; Transporting 13 Expired
US4162988A Biphenyl ester liquid crystal compounds Chemistry; Metallurgy 13 Expired
US6536878B2 Ink jet drop generator and ink composition printing system for producing low ink drop weight with high frequency operation Performing Operations; Transporting 12 Expired
US6799822B2 High quality fluid ejection device Performing Operations; Transporting 9 Expired
US6478410B1 High thermal efficiency ink jet printhead Performing Operations; Transporting 7 Expired
US6231168A Ink jet print head with flow control manifold shape Emerging Cross-Sectional Technologies 6 Expired
US6594899B2 Variable drop mass inkjet drop generator Emerging Cross-Sectional Technologies 5 Expired
US4031028A Nematic liquid crystal composition Chemistry; Metallurgy 4 Expired
US7004556B2 High print quality inkjet printhead Performing Operations; Transporting 2 Expired
US6662435B1 Method of manufacturing an ink jet print head Emerging Cross-Sectional Technologies 0 Expired

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