Average Co-Inventor Count = 2.90
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. Sony Corporation (2 from 58,132 patents)
2. Other (1 from 832,912 patents)
3. Triple W Japan K.k. (0 patent)
3 patents:
1. 6332790 - Card connector
2. 5598305 - Magnetic recording and reproducing device having a lid member which
3. 5499052 - Single-unit video camera-recorder with selectively illuminated function