Average Co-Inventor Count = 5.46
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. Kao Corporation (1 from 3,601 patents)
2. Toyo Ink Manufacturing Company (1 from 223 patents)
3. Tohkem Products Corporation (1 from 2 patents)
2 patents:
1. 6827944 - Percutaneous administration preparations
2. 6126915 - Titanium dioxide reduced in volatile water content, process for