Average Co-Inventor Count = 1.71
ph-index = 4
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. Panasonic Corporation (1 from 16,453 patents)
4 patents:
1. D687069 - Digital video disc player
2. D568865 - Amplifier with digital video disc player
3. D568287 - Amplifier with digital video disc player
4. D542245 - Television receiver