Average Co-Inventor Count = 1.60
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. Plessey Overseas Limited (1 from 271 patents)
2. Siemens Plessey Electronic Systems Limited (1 from 7 patents)
2 patents:
1. 5054111 - HF data communications system with network management
2. 4980924 - HF radio communication systems with frequency management