Average Co-Inventor Count = 4.00
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. Riken Corporation (2 from 852 patents)
2. National Institute for Materials Science (2 from 549 patents)
2 patents:
1. 7244385 - Process for production of three-dimensional photonic crystal as well as probe used therefor
2. 6865005 - Three-dimensional photonic crystal