Average Co-Inventor Count = 2.00
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. Kawasaki Jukogyo Kabushiki Kaisha (3 from 3,322 patents)
3 patents:
1. 9393973 - Dual-structure storage box of railcar and railcar including same
2. 9315199 - Driver's cab and railcar including driver's cab
3. 9302683 - Railcar