Average Co-Inventor Count = 3.43
ph-index = 5
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. Koninklijke Philips Corporation N.v. (8 from 21,361 patents)
8 patents:
1. D517325 - Toothbrush head and neck unit with dispensing valves
2. D508324 - Toothbrush
3. D508019 - Charger for a toothbrush
4. D506094 - Holder for a toothbrush head
5. D503537 - Toothbrush head for a toothbrush
6. D502604 - Cartridge for a toothbrush
7. D502602 - Cover for a toothbrush
8. D502601 - Toothbrush head with cartridge for a toothbrush