Average Co-Inventor Count = 3.00
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. Nippon Paint Compnay, Ltd. (2 from 827 patents)
2 patents:
1. 4937195 - Tissue culture of lichens
2. 4536474 - Tissue culture of lichens