Charles R. Hoffman
15Patents
8h-index
10Co-inventors
69Inventor score
Filing activity: Jul 3, 1975 → Sep 18, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5293405A | Adaptive equalization and regeneration system | Electricity | 81 | Expired |
| US4449205A | Dynamic RAM with non-volatile back-up storage and method of operation thereof | Physics | 76 | Expired |
| US4742292A | CMOS Precision voltage reference generator | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4404577A | Electrically alterable read only memory cell | Electricity | 24 | Expired |
| US4037243A | Semi conductor memory cell utilizing sensing of variations in PN junction current conrolled by stored data | Electricity | 21 | Expired |
| US4003035A | Complementary field effect transistor sense amplifier for one transistor per bit ram cell | Electricity | 16 | Expired |
| US4786828A | Bias scheme for achieving voltage independent capacitance | Physics | 11 | Expired |
| US4429237A | High voltage on chip FET driver | Electricity | 8 | Expired |
| US4837459A | CMOS reference voltage generation | Physics | 8 | Expired |
| US8708437B2 | Ink jet multi-color printing system | Performing Operations; Transporting | 7 | Active |
| US6588879B2 | Method for ink jet printing a digital image on a textile, the system and apparatus for practicing the method, and products produced by the system and apparatus using the method | Electricity | 5 | Expired |
| US6736485B2 | Method for ink jet printing a digital image on a textile, the system and apparatus for practicing the method, and products produced by the system and apparatus using the method | Electricity | 4 | Expired |
| US4841254A | CMOS precision gain amplifier | Electricity | 3 | Expired |
| US6834934B2 | Method for ink jet printing a digital image on a paper, the system and apparatus for practicing the method, and products produced by the system and apparatus using the method | Electricity | 3 | Expired |
| US6834935B2 | Method for ink jet printing a digital image on a textile, the system and apparatus for practicing the method, and products produced by the system and apparatus using the method | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.