Hans G. Ganser
20Patents
8h-index
16Co-inventors
68Inventor score
Filing activity: May 27, 1982 → Dec 15, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5608294A | High pressure lamp operating circuit with suppression of lamp flicker | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4471269A | Circuit arrangement for operating a high-pressure gas discharge lamp | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6232725A | Circuit arrangement for operating a high-pressure discharge lamp | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4594531A | Circuit arrangement for operating high-pressure gas discharge lamps | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6239556A | Long life discharge lamp operating circuit with reduced lamp flicker | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5262701A | Circuit arrangement for operating a high pressure sodium lamp | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4937501A | Circuit arrangement for starting a high-pressure gas discharge lamp | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4539513A | Circuit arrangement for starting and operating a high-pressure gas discharge lamp | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4705991A | Method of operating a high-pressure metal vapor discharge lamp and circuit arrangement for carrying out this method | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6111765A | Discharge lamp operating circuit using piezoelectric transformer and protective device | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4714862A | Circuit arrangement for igniting and operating gas discharge lamps | Electricity | 6 | Expired |
| US4888524A | Circuit for operating gas discharge lamps with a periodically alternating lamp current | Electricity | 6 | Expired |
| US4891563A | Circuit arrangement for adjusting the operating voltage of high-pressure gas discharge lamps | Electricity | 5 | Expired |
| US4994716A | Circuit arrangement for starting and operating gas discharge lamps | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4748381A | Circuit arrangement for A.C. operation of gas discharge lamps | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6104141A | Inventer-ballast using a piezoelectric transformer | Electricity | 4 | Expired |
| US4816721A | Circuit arrangement for operating a high-pressure gas discharge lamp | Electricity | 3 | Expired |
| US5025197A | Circuit arrangement for A.C. operation of high-pressure gas discharge lamps | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4839560A | Heatable electrode for high-pressure gas discharge lamps | Electricity | 0 | Expired |
| US5689156A | Circuit arrangement for detecting the amount of deposited electrode material on the wall of a lamp vessel | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.