Average Co-Inventor Count = 4.00
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. Aisin Seiki Kabushiki Kaisha (2 from 5,207 patents)
2 patents:
1. 5285840 - Method and apparatus for manufacturing piston of internal combustion
2. 4776075 - Method for manufacturing piston of internal combustion engine