Average Co-Inventor Count = 5.33
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. Mitsubishi Heavy Industries Limited (2 from 4,618 patents)
2. Sato Special Oil Co., Ltd. (1 from 3 patents)
3. Sato Special Oil, Ltd. (1 from 1 patent)
2 patents:
1. 9296035 - Lubricating-oil composition for forging molding and forging molding apparatus
2. 7625850 - Lubricating oil composition