Average Co-Inventor Count = 4.71
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. Sumitomo Heavy Industries, Ltd. (4 from 1,186 patents)
2. Sumitomo Metal Industries, Inc. (2 from 929 patents)
4 patents:
1. 5431871 - Method for manufacturing three-dimensional parts from a fiber-reinforced
2. 5290167 - Method of manufacturing three-dimensional parts using sheets of
3. 4823577 - Method of feeding material to hot forging machine
4. 4761980 - Method of feeding material to hot forging machine