Average Co-Inventor Count = 1.50
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. Delta Plastics, Inc. (2 from 9 patents)
2. Other (1 from 832,812 patents)
3. New Zealand Dairy Board (1 from 11 patents)
3 patents:
1. 4653208 - Ear tags
2. 4044665 - Printing machines
3. 3942475 - Devices for oestrus detection