Average Co-Inventor Count = 2.40
ph-index = 1
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. Markem Corporation (1 from 71 patents)
2. Markem-imaje Corporation (1 from 47 patents)
2 patents:
1. 7577596 - Marking an item with an expiration date
2. 7267272 - Variable stride bit blitting