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. Ngk Insulators, Inc. (1 from 4,920 patents)
2. Japan Atomic Energy Research Institute (1 from 321 patents)
3. Japan Atomic Energy Agency (88 patents)
4. Kaken Corporation Limited (2 patents)
1 patent:
1. 5958105 - Process for preparing metallic beryllium pebbles