Average Co-Inventor Count = 11.00
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. Nisshin Steel Co., Ltd. (1 from 342 patents)
3. Sanyo Excell Co., Ltd. (1 from 2 patents)
1 patent:
1. 5527641 - Coated metal sheet for dry cell positive electrode can and positive