Average Co-Inventor Count = 2.82
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. Telefunken Fernseh Und Rundfunk Gmbh (3 from 21 patents)
2. Deutsche Thomson-brandt Gmbh (1 from 538 patents)
4 patents:
1. 4930025 - Arrangement for indicating angular position of headwheel disk in a tape
2. 4728949 - Remote control device for controlling various functions of one or more
3. 4694336 - Digital data transmission method
4. 4590531 - System for compensating signal interference in a PCM audio transmission