Average Co-Inventor Count = 5.00
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. Kabushikikaisha Kibun (1 from 23 patents)
2. Kabushiki Kaisha Kibun Shokuhin (1 from 12 patents)
2 patents:
1. 5374749 - Red dye and its solution
2. 5283347 - Dye and its solution