Average Co-Inventor Count = 1.06
ph-index = 10
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. Detewe Ag & Co. (15 from 17 patents)
2. Sennheiser Electronic Gmbh & Co Kg (2 from 296 patents)
3. Tantum Ag (1 from 3 patents)
4. Detewe Kommunikationssysteme (1 from 1 patent)
19 patents:
1. D634307 - Microphone
2. D614609 - Microphone
3. D496996 - Targeting device for femoral lag screw
4. D479521 - Base module for terminal with loading station
5. D464337 - Base module
6. D464034 - Cordless telephone handset with detachable base station
7. D457881 - Display for web pages with a wireless internet connection
8. D457149 - Mobile telephone
9. D455420 - Telecommunications device
10. D449591 - Cordless headphone
11. D448016 - Wireless headphones for hands-free telephoning
12. D447138 - Display for web pages with wireless internet connection
13. D446517 - Organizer with touchscreen and swiveling display
14. D446515 - Web pad interface with wireless connection to the internet
15. D446203 - MP3 player