Average Co-Inventor Count = 7.00
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. Mitsubishi Denki Kabushiki Kaisha (1 from 21,351 patents)
2. Mitsubishi Materials Corporation (1 from 1,530 patents)
1 patent:
1. 5207981 - Heat reserving materials usuable at very low temperatures