Average Co-Inventor Count = 2.83
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. Holland Usa, Inc. (25 from 52 patents)
25 patents:
1. D652452 - Writing instrument
2. D652451 - Writing instrument
3. D648795 - Writing instrument
4. D648388 - Writing instrument barrel
5. D646327 - Barrel for a writing instrument
6. D646328 - Grip for a writing instrument
7. D643067 - Barrel for a writing instrument
8. D643066 - Writing instrument
9. D639857 - Writing instrument
10. D626595 - Grip for a writing instrument
11. D626596 - Push button and clip for a writing instrument
12. D626598 - Push button and clip for a writing instrument
13. D626597 - Push button and clip for a writing instrument
14. D626592 - Push button for a writing instrument
15. D626594 - Tip for a writing instrument