Average Co-Inventor Count = 3.53
ph-index = 3
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 Medical Instruments Pte. Ltd. (5 from 207 patents)
2. Sivantos Pte. Ltd. (301 patents)
5 patents:
1. 8693718 - Receiver tube, receiver and hearing aid instrument with a receiver tube
2. 8351627 - Hearing aid with an identifier
3. D612943 - Hearing aid for a right ear
4. D612502 - Hearing aid for a left ear
5. D607108 - Hearing aid