Average Co-Inventor Count = 1.91
ph-index = 4
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 Aktiengesellschaft (7 from 30,040 patents)
7 patents:
1. 4839921 - Telephone station comprising an optical display device
2. 4810066 - Cover for telecommunications equipment
3. 4794242 - Chip card reader
4. 4731836 - Telephone set for table-top and wall operation
5. 4717817 - Chip card reader
6. 4634810 - Station for the accommodation of a chargeable cordless telephone
7. 4318587 - Electrically actuated switch for light waveguides