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. D Data Inc. (1 from 11 patents)
1 patent:
1. 6835431 - Fluorescent composition for the manufacture of CD-ROM type optical memory disks