John W. Irwin
18Patents
12h-index
11Co-inventors
75Inventor score
Filing activity: Oct 15, 1971 → Mar 15, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5321806A | Method and apparatus for transmitting graphics command in a computer graphics system | Physics | 106 | Expired |
| US4703420A | System for arbitrating use of I/O bus by co-processor and higher priority I/O units in which co-processor automatically request bus access in anticipation of need | Physics | 91 | Expired |
| US5321810A | Address method for computer graphics system | Physics | 74 | Expired |
| US4469026A | Method and apparatus for controlling drying and detaching of printed material | Performing Operations; Transporting | 73 | Expired |
| US5315698A | Method and apparatus for varying command length in a computer graphics system | Physics | 68 | Expired |
| US4695945A | Processor I/O and interrupt filters allowing a co-processor to run software unknown to the main processor | Physics | 65 | Expired |
| US5315696A | Graphics command processing method in a computer graphics system | Physics | 45 | Expired |
| US4000779A | Blowoff baffle | Performing Operations; Transporting | 41 | Expired |
| US4757441A | Logical arrangement for controlling use of different system displays by main proessor and coprocessor | Physics | 27 | Expired |
| US4833596A | Logical arrangement for controlling use of different system displays by main processor and co-processor | Physics | 26 | Expired |
| US5008816A | Data processing system with multi-access memory | Physics | 23 | Expired |
| US4275968A | System for controlling and sequencing a printer | Performing Operations; Transporting | 15 | Expired |
| US4031521A | Multimode programmable machines | Physics | 9 | Expired |
| US4859815A | Serial link transparent mode disparity control | Electricity | 5 | Expired |
| US4218856A | Connector for sloped roof deck | Fixed Constructions | 5 | Expired |
| US4496954A | Reservo interval determination in an ink jet system | Performing Operations; Transporting | 2 | Expired |
| US4187691A | Heat pump bypass valve arrangement | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US9213744B2 | Perturbing search results | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.