Average Co-Inventor Count = 5.56
ph-index = 3
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 Construction Machinery Co., Ltd. (3 from 1,503 patents)
2. Kcm Corporation (2 from 35 patents)
3. Kabushiki Kaisha Kcm (1 from 8 patents)
5 patents:
1. D915469 - Wheel loader
2. D911396 - Wheel loader
3. 10150360 - Cooling structure of operating machine and operating machine
4. 9945099 - Industrial vehicle
5. 9434245 - Industrial vehicle