Average Co-Inventor Count = 2.67
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Carl-zeiss-stiftung (2 from 702 patents)
2. Intergraph Corporation (1 from 138 patents)
3 patents:
1. D412520 - Roll film flat bed scanner
2. 5280370 - Apparatus and method for scanning by means of a rotatable detector array
3. 4942415 - Shutter for a photogrammetric camera