Average Co-Inventor Count = 2.00
ph-index = 4
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. Office Depot, Inc. (4 from 19 patents)
4 patents:
1. D612420 - Writing instrument
2. D612421 - Writing instrument
3. D612422 - Writing instrument
4. D612423 - Writing instrument