Average Co-Inventor Count = 5.27
ph-index = 7
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. Hitachi, Ltd. (9 from 42,517 patents)
9 patents:
1. 5601034 - Rolling stock and method for equipping the interior the same
2. 5595123 - Rolling stock and method for equipping the interior the same
3. 5287814 - Car body of railway rolling stock and method for fabricating car body
4. 5188039 - Method of fixing inside panel of car and structure for fixing the same
5. 5113769 - Car body for railway rolling stock and method for fabricating car body
6. 5109777 - Car body for railway rolling stock with joggled adjacent side sheet end
7. 4995321 - Car body for railway rolling stock
8. 4993329 - Car body for railway rolling stock and method of fabricating the car body
9. 4645258 - Underframe construction for railway vehicle