John J. Berenz
25Patents
13h-index
23Co-inventors
81Inventor score
Filing activity: Sep 12, 1983 → Aug 13, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6724920B1 | Application of human facial features recognition to automobile safety | Performing Operations; Transporting | 164 | Expired |
| US7110570B1 | Application of human facial features recognition to automobile security and convenience | Physics | 116 | Expired |
| US6069540A | Micro-electro system (MEMS) switch | Electricity | 92 | Expired |
| US6810135B1 | Optimized human presence detection through elimination of background interference | Physics | 49 | Expired |
| US5580419A | Process of making semiconductor device using focused ion beam for resistless in situ etching, deposition, and nucleation | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5994982A | MEMS switched resonators for VCO applications | Electricity | 29 | Expired |
| US5528769A | High electron mobility transistor monolithic integrated circuit receiver | Electricity | 27 | Expired |
| US4916498A | High electron mobility power transistor | Electricity | 26 | Expired |
| US5438336A | Focal plane imaging array with internal calibration source | Physics | 24 | Expired |
| US4537654A | Two-gate non-coplanar FET with self-aligned source | Electricity | 24 | Expired |
| US4908325A | Method of making heterojunction transistors with wide band-gap stop etch layer | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6420704B1 | Method and system for improving camera infrared sensitivity using digital zoom | Electricity | 19 | Expired |
| US4507845A | Method of making field effect transistors with opposed source _and gate regions | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6904347B1 | Human presence detection, identification and tracking using a facial feature image sensing system for airbag deployment | Performing Operations; Transporting | 13 | Expired |
| US4551904A | Opposed gate-source transistor | Electricity | 12 | Expired |
| US5710058A | Method of making multi-terminal resonant tunneling transistor | Electricity | 8 | Expired |
| US6054729A | Gallium antimonide complementary HFET | Electricity | 7 | Expired |
| US6291908A | Micro-miniature switch apparatus | Electricity | 6 | Expired |
| US4951099A | Opposed gate-source transistor | Electricity | 5 | Expired |
| US5514876A | Multi-terminal resonant tunneling transistor | Electricity | 5 | Expired |
| US5940695A | Gallium antimonide complementary HFET | Electricity | 3 | Expired |
| US6384432B1 | Gallium antimonide complementary HFET | Electricity | 3 | Expired |
| US6365442B1 | Efficient method of making micro-miniature switch device | Electricity | 2 | Expired |
| US7123747B2 | Enhancement of vehicle interior digital images | Physics | 2 | Expired |
| US7403715B2 | Free space optical bus | Electricity | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.