Average Co-Inventor Count = 3.33
ph-index = 2
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 (5 from 386 patents)
5 patents:
1. D1023147 - Writing instrument
2. D1019777 - Writing instrument cover
3. 11407248 - Retractable nosecone writing instrument
4. 11148462 - Retractable nosecone writing instrument
5. 11077702 - Retractable nosecone writing instrument