Average Co-Inventor Count = 3.43
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. Nippon Piston Ring Co., Ltd. (1 from 229 patents)
2. Naganoken and Shinko Electric Industries Co., Ltd. (1 from 1 patent)
2 patents:
1. 5902472 - Aqueous solution for forming metal complexes, tin-silver alloy plating
2. 5552030 - Method of making a magnetic material in the form of a multilayer film by