Average Co-Inventor Count = 2.64
ph-index = 14
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. Sanford Gmbh (11 from 386 patents)
2. Motorola Corporation (7 from 20,290 patents)
19 patents:
1. D613335 - Marker
2. D584771 - Marker
3. D555198 - Writing instrument refill
4. D553683 - Writing instrument refill
5. D532822 - Dry erase board
6. D525303 - Writing instrument
7. D521067 - Writing instrument
8. D514805 - Writing instrument container
9. D507303 - Clip
10. D501510 - Writing instrument
11. D493835 - Clip and shroud for a writing instrument
12. D490464 - Writing instrument
13. D460445 - Enveloping cover device for a cellular telephone
14. D435038 - Radiotelephone antenna
15. D433670 - Portable radio communication device