Average Co-Inventor Count = 3.00
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. Fisons Ltd. (1 from 313 patents)
2. Vg Instruments Group Limited (1 from 40 patents)
2 patents:
1. 5572024 - Apparatus and method for isotopic ratio plasma mass spectrometry
2. 5051584 - Plasma mass spectrometer