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. Optoplan As (3 from 55 patents)
3 patents:
1. 8611180 - Ocean bottom seismic station
2. 7969817 - Ocean bottom seismic station
3. 7679989 - Ocean bottom seismic station