Average Co-Inventor Count = 5.69
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. Astellas Pharma Gmbh (3 from 417 patents)
2. Toyo Ink Mfg. Co., Ltd. (2 from 105 patents)
5 patents:
1. 10301286 - Piperazine derivative
2. 7928264 - Aminoalcohol derivatives
3. 7417060 - Aminoalcohol derivatives
4. 7381760 - Pigment dispersion and use thereof
5. 7077899 - Pigment dispersing agent, pigment composition containing the same and pigment dispersion containing the same