Average Co-Inventor Count = 3.31
ph-index = 2
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. Kao Corporation (3 from 3,600 patents)
2. Shimizu Construction Co., Ltd. (1 from 116 patents)
4 patents:
1. 9180074 - O/W emulsion cosmetic
2. 8765158 - W/O emulsion cosmetic
3. 7371740 - Phosphorylated glyceryl ether aluminum salt
4. 5022789 - Method and machine for constructing shafts