Average Co-Inventor Count = 5.00
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. Kabushiki Kaisha Toshiba (1 from 52,778 patents)
2. Notoshiti Corporation (1 from 1 patent)
3. Yano Kousakujo Corporation (1 from 1 patent)
1 patent:
1. 4822662 - Machine parts with wear-resistant surface brought into contact with