Average Co-Inventor Count = 1.00
ph-index = NA
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. Hitachi, Ltd. (42,494 patents)
2. Aska Pharmaceutical Co., Ltd. (35 patents)
3. Nc Medical Research Inc. (5 patents)
4. Mitsui Sumitomo Insurance Care Network Co., Ltd. (3 patents)
0 patent: