Average Co-Inventor Count = 6.10
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. Central Japan Railway Company (9 from 118 patents)
2. Nippon Sharyo, Ltd. (7 from 51 patents)
3. Nippon Sharyo Co. Ltd. (2 from 4 patents)
9 patents:
1. D869335 - Passenger carrying car
2. D860049 - Passenger carrying car
3. 9751538 - Sound absorbing panel
4. D757605 - Passenger carrying car
5. D756843 - Passenger carrying car
6. D701818 - Sound absorbing portions of passenger carrying car
7. D701817 - Sound absorbing portions of passenger carrying car
8. D701482 - Sound absorbing portions of passenger carrying car
9. D701483 - Sound absorbing portions of passenger carrying car