Average Co-Inventor Count = 2.19
ph-index = 4
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 (5 from 3,600 patents)
2. Fuji Jukogyo Kabushiki Kaisha (1 from 2,208 patents)
3. Ruji Jukogyo Kabushiki Kaisha (1 from 1 patent)
7 patents:
1. 8636812 - Two-part foam hair dye
2. 8449627 - Two-part hair dye
3. 8349022 - Two-part hair dye
4. 8152858 - Head hair dyeing method
5. 6569412 - Treatment composition for dyed hair
6. 6397703 - Clutch control apparatus for continuously variable transmission
7. 6183391 - Control apparatus for automatic transmission