Stuart D. Howkins
15Patents
10h-index
6Co-inventors
65Inventor score
Filing activity: Jan 4, 1982 → Feb 17, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4459601A | Ink jet method and apparatus | Performing Operations; Transporting | 129 | Expired |
| US4593291A | Method for operating an ink jet device to obtain high resolution printing | Performing Operations; Transporting | 55 | Expired |
| US4646106A | Method of operating an ink jet | Performing Operations; Transporting | 52 | Expired |
| US4686539A | Multipulsing method for operating an ink jet apparatus for printing at high transport speeds | Performing Operations; Transporting | 44 | Expired |
| US4523200A | Method for operating an ink jet apparatus | Performing Operations; Transporting | 41 | Expired |
| US4973980A | Acoustic microstreaming in an ink jet apparatus | Performing Operations; Transporting | 39 | Expired |
| US4697193A | Method of operating an ink jet having high frequency stable operation | Performing Operations; Transporting | 27 | Expired |
| US4509059A | Method of operating an ink jet | Performing Operations; Transporting | 23 | Expired |
| US4788557A | Ink jet method and apparatus for reducing cross talk | Performing Operations; Transporting | 18 | Expired |
| US6050679A | Ink jet printer transducer array with stacked or single flat plate element | Performing Operations; Transporting | 12 | Expired |
| US6719390B1 | Short delay phased firing to reduce crosstalk in an inkjet printing device | Performing Operations; Transporting | 9 | Expired |
| US6394589B1 | Ink jet printhead with reduced crosstalk | Performing Operations; Transporting | 7 | Expired |
| US9944070B1 | Determination of a maximum jetting frequency for an inkjet head | Performing Operations; Transporting | 4 | Active |
| US6932458B2 | Obtaining high frequency performance by controlling chamber pressure | Performing Operations; Transporting | 2 | Expired |
| US6893112B2 | Structurally isolated inertial transducers for a printing system | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.