Average Co-Inventor Count = 4.74
ph-index = 8
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 Rolm Communications Inc. (3 from 13 patents)
2. Motorola Corporation (2 from 20,290 patents)
3. Siemens Business Communication Systems, Inc. (2 from 46 patents)
4. Siemens Medical Systems, Inc. (1 from 237 patents)
5. Siemens Business Communications Systems (1 from 2 patents)
6. Siemens Palm Communication Inc. (1 from 1 patent)
11 patents:
1. D434767 - Intelligent keyboard and calculator
2. D434742 - Radio communication device
3. D434405 - Radio pager
4. D394316 - Radiation therapy machine
5. D392284 - Telephone
6. D389142 - Telephone
7. D387063 - Telephone key expansion unit
8. D386759 - Telephone
9. D375095 - Telephone
10. D374667 - Telephone
11. D374674 - Telephone key expansion unit