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. (1 from 27,375 patents)
2. Matsushita Electric Co., Ltd. (1 from 31 patents)
2 patents:
1. 6922400 - Transmission method of digital broadcasting, digital broadcasting receiver, and digital broadcasting station system
2. 5614899 - Apparatus and method for compressing texts