Average Co-Inventor Count = 2.90
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)
3 patents:
1. 4714863 - Vibration damping means for the line cathodes of an image display
2. 4651049 - Electrode assembly for display apparatus
3. 4185262 - Magnet device