Average Co-Inventor Count = 5.83
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. (1 from 27,375 patents)
2. Matsushita Battery Industrial Co., Ltd. (1 from 5 patents)
2 patents:
1. 5920798 - Method of preparing a semiconductor layer for an optical transforming
2. 5714391 - Method of manufacturing a compound semiconductor thin film for a