Paul Graf
12Patents
6h-index
25Co-inventors
66Inventor score
Filing activity: Apr 27, 1989 → Jun 30, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6565176B2 | Long-life stable-jetting thermal ink jet printer | Performing Operations; Transporting | 26 | Expired |
| US5237262A | Temperature compensated circuit for controlling load current | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4902957A | DC/DC converter | Electricity | 20 | Expired |
| US7738137B2 | Inkjet print head synchronous serial output for data integrity | Performing Operations; Transporting | 15 | Active |
| US7635174B2 | Heater chip test circuit and methods for using the same | Performing Operations; Transporting | 9 | Active |
| US7025440B2 | Low profile ink jet cartridge assembly | Performing Operations; Transporting | 7 | Expired |
| US5514972A | Voltage comparison circuit | Physics | 3 | Expired |
| US7142456B2 | Distributed programmed memory cells used as memory reference currents | Physics | 2 | Expired |
| US8517513B2 | Inkjet printheads and fluid ejecting chips | Performing Operations; Transporting | 2 | Active |
| US7097280B2 | Printheads having improved heater chip construction | Performing Operations; Transporting | 1 | Expired |
| US8616680B2 | Partitioned array ejection chips for micro-fluid applications | Performing Operations; Transporting | 0 | Active |
| US9079409B2 | Fluid ejection devices | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.