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. Akashi Corporation (2 from 5 patents)
2 patents:
1. 6484570 - Impression forming mechanism and hardness testing apparatus
2. 6336359 - Impression forming mechanism and hardness testing apparatus