Inventor · Erfurt, DE

Dirk Doering

12Patents
2h-index
23Co-inventors
46Inventor score

Filing activity: Jan 3, 2012 → Jan 31, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US9554943B2 Ophthalmological device Human Necessities 3 Active
US10168539B2 Illumination optical unit for a metrology system and metrology system comprising such an illumination optical unit Physics 2 Active
US9904060B2 Illumination optical unit for a metrology system and metrology system comprising such an illumination optical unit Physics 2 Active
US10719915B2 Method and apparatus for determining a defocusing valve and for image-based determination of a dimensional size Physics 0 Active
US11561381B2 Catadioptric lens and optical system comprising such a lens Physics 0 Active
US10004641B2 Ophthalmological device Human Necessities 0 Active
US11003090B2 Lithography apparatus comprising a plurality of individually controllable write heads Physics 0 Active
US10578881B2 Illumination optical unit for a metrology system and metrology system comprising such an illumination optical unit Physics 0 Active
US10322031B2 Ophthalmological device Human Necessities 0 Active
US11137615B2 Illumination device for a projector having a light modulator Physics 0 Active
US11520130B2 Catadioptric lens and optical system comprising such a lens General 0 Revoked
US11281085B2 Illumination device for a projector having a light modulator Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.