XAAR TECHNOLOGY LIMITED
119Patents
63Active
119Granted
50Portfolio score
Filing activity: Jul 28, 1994 → Mar 10, 2023 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6437879B1 | Interpolation of greyscale levels | Electricity | 49 | Expired |
| US5910372A | Coating | Emerging Cross-Sectional Technologies | 44 | Expired |
| US7128406B2 | Droplet deposition apparatus | Performing Operations; Transporting | 43 | Expired |
| US6089698A | Nozzles and methods of and apparatus for forming nozzles | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6593390B1 | Radiation curable ink jet ink compositions | Performing Operations; Transporting | 36 | Expired |
| US7946684B2 | Method of manufacture and printer with elastic alignment features | Emerging Cross-Sectional Technologies | 35 | Active |
| US6193343A | Driving method of an ink-jet head | Performing Operations; Transporting | 35 | Expired |
| US6106092A | Driving method of an ink-jet head | Performing Operations; Transporting | 34 | Expired |
| US6460991B1 | Vacuum drums for printing, and duplex printers | Performing Operations; Transporting | 33 | Expired |
| US6402282B1 | Operation of droplet deposition apparatus | Performing Operations; Transporting | 31 | Expired |
| US5855713A | Method of making a multi-channel droplet deposition apparatus | Performing Operations; Transporting | 27 | Expired |
| US5843219A | Ink jet ink composition | Chemistry; Metallurgy | 26 | Expired |
| US5959643A | Modular drop-on-demand printing apparatus method of manufacture thereof, and method of drop-on-demand printing | Performing Operations; Transporting | 26 | Expired |
| US6476096B1 | Ink jet printer ink | Chemistry; Metallurgy | 24 | Expired |
| US6123405A | Method of operating a multi-channel printhead using negative and positive pressure wave reflection coefficient and a driving circuit therefor | Performing Operations; Transporting | 23 | Expired |
| US6820966B1 | Droplet deposition apparatus | Performing Operations; Transporting | 22 | Expired |
| US5837046A | Ink jet printer ink composition | Chemistry; Metallurgy | 22 | Expired |
| US7204578B2 | Droplet deposition apparatus | Performing Operations; Transporting | 21 | Expired |
| US6281913A | Operation of droplet deposition apparatus | Performing Operations; Transporting | 21 | Expired |
| US6796630B2 | Droplet deposition apparatus | Performing Operations; Transporting | 21 | Expired |
| US6422690B1 | Drop on demand ink jet printing apparatus, method of ink jet printing, and method of manufacturing an ink jet printing apparatus | Performing Operations; Transporting | 20 | Expired |
| US6331045A | Drop on demand ink jet printing apparatus | Performing Operations; Transporting | 20 | Expired |
| US6260951A | Method of manufacturing of printing apparatus | Performing Operations; Transporting | 19 | Expired |
| US5842258A | Manufacture of ink jet printheads | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6228311A | Method of and apparatus for forming nozzles | Performing Operations; Transporting | 18 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.