Average Co-Inventor Count = 3.00
ph-index = 2
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. Matsushita Electric Industrial Co., Ltd. (2 from 27,375 patents)
2 patents:
1. 5594406 - Zinc oxide varistor and process for the production thereof
2. 5592140 - Varistor formed of bismuth and antimony and method of manufacturing same