Average Co-Inventor Count = 5.00
ph-index = 5
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. Nec Home Electronics, Inc. (5 from 77 patents)
5 patents:
1. 5406627 - Digital data cryptographic system
2. 5267312 - Audio signal cryptographic system
3. 5185794 - System and method for scrambling and/or descrambling a video signal
4. 5166976 - System and method for detection of a pulse within a video signal
5. 5091938 - System and method for transmitting entertainment information to