Jens Ullmann
13Patents
3h-index
28Co-inventors
60Inventor score
Filing activity: Sep 4, 2001 → Jun 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7602201B2 | High temperature ceramic socket configured to test packaged semiconductor devices | Physics | 11 | Active |
| US7172450B1 | High temperature open ended zero insertion force (ZIF) test socket | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6863398B2 | Method and coating system for coating substrates for optical components | Chemistry; Metallurgy | 3 | Expired |
| US7598760B1 | High temperature ceramic die package and DUT board socket | Electricity | 2 | Active |
| US6842294B2 | Catadioptric objective | Physics | 2 | Expired |
| US7602205B2 | Electromigration tester for high capacity and high current | Physics | 1 | Active |
| US7093937B2 | Optical component and coating system for coating substrates for optical components | Chemistry; Metallurgy | 1 | Expired |
| US9772351B2 | Pulsed current source with internal impedance matching | Electricity | 0 | Active |
| US12220141B2 | Catheter system with independently controllable bubble and arc generation | Human Necessities | 0 | Active |
| US7429856B1 | Voltage source measurement unit with minimized common mode errors | Physics | 0 | Active |
| US6621048B2 | Method for heating a workpiece | Physics | 0 | Expired |
| US6796664B2 | Method and device for decontaminating optical surfaces | Performing Operations; Transporting | 0 | Expired |
| US7049713B2 | Pulsed current generator circuit with charge booster | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.