Average Co-Inventor Count = 9.52
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. Acco Brands Corporation (5 from 396 patents)
5 patents:
1. 6688199 - Four-bar upright punch
2. D452525 - Folder with spring clips
3. 6261021 - Binder insert having a clip
4. D443895 - Sheet lifter
5. D442631 - Writing tablet having a movable clip