Average Co-Inventor Count = 5.00
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. Hitachi, Ltd. (2 from 42,496 patents)
2. Sumitomo Light Metal Industries, Ltd. (2 from 140 patents)
2 patents:
1. 5480729 - Honeycomb panel having inserts for fixing a member in an opening in the
2. 5353502 - Method of producing a honeycomb panel insert for fixing a member in an