Paul A. Hoisington
138Patents
23h-index
85Co-inventors
93Inventor score
Filing activity: Apr 28, 1987 → Sep 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5265315A | Method of making a thin-film transducer ink jet head | Emerging Cross-Sectional Technologies | 181 | Expired |
| US4825227A | Shear mode transducer for ink jet systems | Performing Operations; Transporting | 110 | Expired |
| US5757400A | High resolution matrix ink jet arrangement | Performing Operations; Transporting | 70 | Expired |
| US4814786A | Hot melt ink supply system | Electricity | 70 | Expired |
| US4937598A | Ink supply system for an ink jet head | Performing Operations; Transporting | 62 | Expired |
| US5694156A | Ink jet head with ink usage sensor | Emerging Cross-Sectional Technologies | 50 | Expired |
| US7281778B2 | High frequency droplet ejection device and method | Performing Operations; Transporting | 49 | Expired |
| US4835554A | Ink jet array | Performing Operations; Transporting | 48 | Expired |
| US5659346A | Simplified ink jet head | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4788556A | Deaeration of ink in an ink jet system | Performing Operations; Transporting | 47 | Expired |
| US5189438A | Dual reservoir and valve system for an ink jet head | Performing Operations; Transporting | 44 | Expired |
| US5446484A | Thin-film transducer ink jet head | Emerging Cross-Sectional Technologies | 42 | Expired |
| US7052117B2 | Printhead having a thin pre-fired piezoelectric layer | Performing Operations; Transporting | 41 | Expired |
| US5605659A | Method for poling a ceramic piezoelectric plate | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4891654A | Ink jet array | Performing Operations; Transporting | 38 | Expired |
| US5500988A | Method of making a perovskite thin-film ink jet transducer | Emerging Cross-Sectional Technologies | 38 | Expired |
| US8459768B2 | High frequency droplet ejection device and method | Performing Operations; Transporting | 36 | Active |
| US5075689A | Bidirectional hot melt ink jet printing | Electricity | 35 | Expired |
| US5640184A | Orifice plate for simplified ink jet head | Emerging Cross-Sectional Technologies | 35 | Expired |
| US5691752A | Perovskite thin-film ink jet transducer | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5757391A | High-frequency drop-on-demand ink jet system | Performing Operations; Transporting | 31 | Expired |
| US4961082A | Deaeration of ink in an ink jet system | Performing Operations; Transporting | 27 | Expired |
| US5502467A | Ink jet printhead with ink viscosity control | Performing Operations; Transporting | 24 | Expired |
| US6037707A | Electroding of ceramic piezoelectric transducers | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5701148A | Deaerator for simplified ink jet head | Emerging Cross-Sectional Technologies | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.