Average Co-Inventor Count = 2.91
ph-index = 4
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. 3m Innovative Properties Company (3 from 14,076 patents)
2. Nec Corporation (1 from 35,705 patents)
4 patents:
1. 6514892 - Transparent beads and their production method
2. 6511739 - Transparent beads and their production method
3. 6335083 - Transparent beads and their production method
4. 5606697 - Compiler system for language processing program