Average Co-Inventor Count = 2.67
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. Jewish Employment and Vocational Service (2 from 3 patents)
2 patents:
1. 4773860 - Multiple aptitude testing device with data terminal input
2. 4541806 - Multiple aptitude testing device