Average Co-Inventor Count = 2.00
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. Toyota Jidosha Kabushiki Kaisha (2 from 36,653 patents)
2. Director-general of Agency of Industrial Science and Technology (1 from 232 patents)
2 patents:
1. 6153032 - Hydrogen-absorbing alloy and process for preparing the same
2. 5968291 - Hydrogen-absorbing alloy