Average Co-Inventor Count = 2.29
ph-index = 3
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. (3 from 27,375 patents)
2. Matsushita Electrical Industrial Co., Ltd. (1 from 115 patents)
4 patents:
1. 7149091 - Electronic circuit device
2. D525214 - Information storage semiconductor element
3. D522978 - Information storage semiconductor element
4. D487430 - Semiconductor memory element