Average Co-Inventor Count = 3.44
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. Kawasaki Jukogyo Kabushiki Kaisha (9 from 3,329 patents)
9 patents:
1. 12475627 - Information provision system and information presentation program
2. 10549765 - Railcar
3. 10124816 - Collision energy absorbing device of railcar
4. 10011286 - Front door for railcar
5. 9751539 - Side bodyshell of railcar
6. 9592839 - Railcar
7. 9499179 - Railroad vehicle provided with low roof structure
8. 9493173 - Railcar
9. 9434392 - Collision energy absorption column and railroad vehicle provided with the collision energy absorption column