Average Co-Inventor Count = 1.89
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. U.S. Philips Corporation (3 from 14,087 patents)
3 patents:
1. 5172360 - Loading device and disc record player comprising the loading device
2. 5166917 - Centering device for disks of different sizes for use in a disc-record
3. 4833666 - Disc-record player suitable for scanning disc of different types