Average Co-Inventor Count = 1.00
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. Tunturipyora Oy (1 from 29 patents)
2. Laukamo Oy (1 from 2 patents)
2 patents:
1. D301268 - Electronic ergometer
2. D282739 - Handset telephone