Average Co-Inventor Count = 2.93
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. R.r. Donnelley and Sons Company (2 from 293 patents)
2. Dynabrade, Inc. (1 from 46 patents)
3. R.r. Donnelley & Sons (1 from 21 patents)
4 patents:
1. 11235454 - Spring loaded adjustable head
2. 10137691 - Printhead maintenance station and method of operating same
3. 9216581 - Apparatus and method for wiping an inkjet cartridge nozzle plate
4. 8926060 - System and method for cleaning inkjet cartridges