Average Co-Inventor Count = 1.20
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. Helmut Fischer Gmbh Institut Fur Elektronik Und Messtechnik (1 from 22 patents)
2. Immobiliengesellschaft Helmut Fischer Gmbh Co. Kg (1 from 9 patents)
3. Helmut Fischer Gmbh & Co Institut Fur Elektronik Und Messtechnik (1 from 3 patents)
3 patents:
1. 6438209 - Apparatus for guiding X-rays
2. 6370221 - Method of setting a position of an object of measurement in layer thickness measurement by X-ray fluorescence
3. 6364528 - Determination of the measuring spot during x-ray fluorescence analysis