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. Mitsubishi Heavy Industries Limited (3 from 4,618 patents)
3 patents:
1. D786132 - Rolling stock doors
2. D757604 - End part of rolling stock
3. D755672 - Rolling stock