Average Co-Inventor Count = 2.00
ph-index = 3
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 (3 from 386 patents)
3 patents:
1. 7981210 - Capillary-action, glitter markers and ink compositions for same
2. 7364614 - Capillary-action, glitter markers and ink compositions for same
3. 7018122 - Single- or double-ended multi-section nib marker