Average Co-Inventor Count = 6.46
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. Cosmo Oil Co., Ltd. (2 from 163 patents)
2. Tochigi Fuji Sangyo Kabushiki Kaisha (1 from 140 patents)
3. Dow Corning Asia Limited (1 from 57 patents)
4. Dow Corning Kabushiki Kaisha (1 from 7 patents)
5. Vicodrive Japan, Ltd. (1 from 1 patent)
2 patents:
1. 5374363 - Viscous coupling fluids
2. 4959166 - Fluid composition for use in viscous coupling