Average Co-Inventor Count = 3.00
ph-index = 1
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. Imperial Chemical Industries Limited (2 from 3,840 patents)
2. Thorn Electrical Industries Limited (2 from 27 patents)
2 patents:
1. 4185922 - Method of introducing fluorine into a lamp
2. 4090101 - Manufacture of electric lamps