Average Co-Inventor Count = 3.00
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. Aga Aktiebolag (1 from 116 patents)
2. Geotronics Ab (1 from 9 patents)
2 patents:
1. 4508448 - Apparatus for measuring the distance to a point on the inner wall of a
2. 4227802 - Apparatus for measuring the distance to a point on the inner wall of a