Average Co-Inventor Count = 3.27
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. Mitsumi Electric Company Ltd. (2 from 1,572 patents)
2. Sony Corporation (1 from 58,129 patents)
3. Sony Interactive Entertainment Inc. (1 from 3,052 patents)
3 patents:
1. 9418707 - Accommodating case for portable recording medium
2. 6222501 - Attaching mechanism for GPS antenna
3. 6067057 - Attaching mechanism for GPS antenna