Average Co-Inventor Count = 3.00
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. Johnson Matthey Public Limited Company (3 from 837 patents)
3 patents:
1. 5851363 - Multilayer film materials system
2. 5837386 - Multilayer film materials system
3. 5702830 - Magneto-optical recording materials system