Average Co-Inventor Count = 1.67
ph-index = 2
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 (1 from 702 patents)
2. Carl-zeiss-stiftung, Heidenheim/brenz (1 from 57 patents)
2 patents:
1. 4900932 - Cathodoluminescence detector utilizing a hollow tube for directing light
2. 4523094 - Evaluation device for electron-optical images