Average Co-Inventor Count = 2.00
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. Toyota Jidosha Kabushiki Kaisha (2 from 36,499 patents)
2. Osaka University (2 from 985 patents)
2 patents:
1. 9728785 - Active material for sodium ion battery, and sodium ion battery
2. 9725396 - Active material, and sodium ion battery and lithium ion battery using the same