Average Co-Inventor Count = 6.00
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. Sanyo Electric Co., Ltd. (1 from 8,782 patents)
2. Mitsui Chemicals, Inc. (1 from 1,788 patents)
1 patent:
1. 7785688 - Optical disc and material for substrate thereof