Average Co-Inventor Count = 4.12
ph-index = 7
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. Siemens Energy & Automation, Inc. (6 from 567 patents)
2. Texas Instruments Corporation (1 from 29,279 patents)
7 patents:
1. D590402 - Programmable logic controller system module
2. D588600 - Programmable logic controller system module
3. D583379 - Programmable logic controller system module
4. D583380 - Programmable logic controller system module
5. D583381 - Programmable logic controller system module
6. D583382 - Programmable logic controller system module
7. 4797884 - Redundant device control unit