Average Co-Inventor Count = 4.00
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. Nokia Corporation (1 from 8,282 patents)
2. Nokia Technologies Oy (1 from 5,748 patents)
2 patents:
1. 9473838 - Dust protection of sound transducer
2. 8644530 - Dust protection of sound transducer