Peter Lermann
65Patents
11h-index
63Co-inventors
81Inventor score
Filing activity: Feb 28, 1975 → Feb 14, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4270854A | Photographic instant camera with magnetic recording capability | Physics | 57 | Expired |
| US4283132A | Photographic camera | Physics | 20 | Expired |
| US4195924A | Camera with zoom lens | Physics | 20 | Expired |
| US4251143A | Photographic camera with means indicating the state of focus | Physics | 15 | Expired |
| US4451011A | Film winding spool for photographic camera | Physics | 15 | Expired |
| US4230400A | Photographic camera with exposure-control and focussing means | Physics | 14 | Expired |
| US4240727A | Focussing system | Physics | 13 | Expired |
| US5784652A | Modular camera with cassette chamber accessible through outerbody | Physics | 12 | Expired |
| US3988747A | Automatic focussing system for photographic cameras | Physics | 11 | Expired |
| US4067028A | Proper synchronization of the firing of electronic flash units | Physics | 11 | Expired |
| US4344686A | Photographic camera with state-of-focus indication | Physics | 11 | Expired |
| US4198136A | Reproducing of interspersed motion-picture scenes and still shots | Physics | 10 | Expired |
| US4104664A | Film advance mechanism for still cameras | Physics | 10 | Expired |
| US4096500A | Still- or motion-picture camera or reproducing apparatus | Physics | 9 | Expired |
| USD269350S | Transparency viewer | General | 8 | Expired |
| US4097133A | Cinematographic camera | Physics | 8 | Expired |
| US4358805A | Playback and/or recording device for magnetic recording media, especially still photographs provided with a magnetizable coating | Physics | 7 | Expired |
| US4194817A | Marking of interspersed motion-picture scenes and still shots with interrupt-transport markings | Physics | 7 | Expired |
| US4196993A | Still-camera film transport system with end-of-film motor deenergization | Physics | 7 | Expired |
| US4179028A | Casing | Physics | 7 | Expired |
| US4221474A | Photographic camera with focussing system which time-multiplexes the signals from plural photodetectors | Physics | 6 | Expired |
| US4258998A | Still camera with an objective which can be retracted into the camera housing for dimensional compactness | Physics | 5 | Expired |
| USD256469S | Collapsible cinematographic camera | General | 5 | Expired |
| US4128322A | Instant-picture camera | Physics | 5 | Expired |
| US4345827A | Distance-measuring system with in-range signalling for use with cameras, alarms, and the like | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.