Average Co-Inventor Count = 2.76
ph-index = 5
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. Daifuku Co., Ltd. (6 from 708 patents)
2. Daifuki Co., Ltd. (1 from 4 patents)
7 patents:
1. D346767 - Guide rail for an overhead monorail
2. 5134940 - Self-propelled platform car type conveying system
3. 5123357 - Conveyor driven by linear motor with rolling surface of rail acting as
4. 4922830 - Conveyor system utilizing linear motor
5. 4823704 - Rail vehicle conveying system and rail covers therefor
6. 4671183 - Cart type conveying apparatus
7. 4545303 - Monorail conveyor system