Average Co-Inventor Count = 2.15
ph-index = 7
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 (15 from 386 patents)
2. Berol Corporation (1 from 102 patents)
16 patents:
1. 12064989 - Writing instruments and associated methods
2. 11110738 - Writing instruments and associated methods
3. 10245877 - Ink delivery system
4. 8746316 - Variable clutch mechanism and correction tape dispenser with variable clutch mechanism
5. 7681616 - Correction tape applicator tip with cylindrical projection
6. 7290955 - Bold-fine multiple width marking instrument
7. 7228882 - Tape dispenser with a cushioned applicator tip
8. 7163040 - Correction tape applicator tip with cylindrical projection
9. 6997229 - Rotatable applicator tip for a corrective tape dispenser
10. 6932531 - Writing assembly with eraser assembly
11. 6921223 - Combo pen
12. D502963 - Writing instrument
13. D502738 - Cap for a writing instrument
14. D482071 - Grip for a writing instrument
15. D481069 - Grip for a writing instrument