Christian Hoffmann
86Patents
15h-index
135Co-inventors
87Inventor score
Filing activity: Feb 27, 1980 → Sep 20, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4428377A | Method for the electrical stimulation of the auditory nerve and multichannel hearing prosthesis for carrying out the method | Human Necessities | 133 | Expired |
| US4390756A | Method and apparatus for generating electrocutaneous stimulation patterns for the transmission of acoustic information | Human Necessities | 40 | Expired |
| US4289935A | Method for generating acoustical voice signals for persons extremely hard of hearing and a device for implementing this method | Electricity | 33 | Expired |
| US5678553A | Ultrasonic processes and circuits for carrying out those processes | Physics | 30 | Expired |
| US4403118A | Method for generating acoustical speech signals which can be understood by persons extremely hard of hearing and a device for the implementation of said method | Electricity | 27 | Expired |
| US6016040A | Device and method for driving at least one capacitive actuator | Electricity | 26 | Expired |
| US6982380B2 | Encapsulated component which is small in terms of height and method for producing the same | Electricity | 25 | Expired |
| US6060814A | Device and method for driving at least one capacitive actuator | Electricity | 21 | Expired |
| US10043093B2 | Supplemental device for attachment to an injection device for recording and displaying a dose value set by the user using optical character recognition (OCR) | Physics | 20 | Active |
| US6813035B2 | Method for determining three-dimensional surface coordinates | Physics | 19 | Expired |
| US6133714A | Method of driving at least one capacitive actuator | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5941214A | Device and method for regulating the fuel pressure in a high-pressure accumulator | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US7388678B2 | Method and device for three-dimensionally detecting objects and the use of this device and method | Physics | 16 | Expired |
| US6236190A | Method and device for driving a capacitive actuator | Electricity | 15 | Expired |
| US6366868B2 | Method and configuration for diagnosis of a capacitive actuator | Physics | 15 | Expired |
| US6121715A | Method and device for driving a capacitive control element | Electricity | 13 | Expired |
| US6271618A | Method and configuration for driving a capacitive actuator | Electricity | 12 | Expired |
| US6109245A | Apparatus and method for driving a piezoelectrically controlled fuel injection valve | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6698303B2 | Automated gear drive device, in particular for motor vehicle | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6198199A | Method for diagnosing a short circuit at a capacitive actuator | Physics | 11 | Expired |
| US5986360A | Device and method for controlling at least one capacitive actuator | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US6441535B2 | Method and apparatus for driving at least one capacitive control element | Electricity | 9 | Expired |
| US6361306B1 | Tool assembly for the manufacture of ring-shaped compacts using a rotary compression press | Performing Operations; Transporting | 9 | Expired |
| US6472796B1 | Method and apparatus for controlling a capacitive actuator | Electricity | 8 | Expired |
| US6081062A | Method and device for driving at least one capacitive actuator | Mechanical Engineering; Lighting; Heating | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.