Average Co-Inventor Count = 4.50
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. Gtech Rhode Island Corporation (3 from 45 patents)
2. Organización National De Ciegos Españoles (1 from 1 patent)
3 patents:
1. 7651030 - Method and device for data input
2. 7590950 - Mobile lottery terminal including features facilitating use by visually impaired ticket agents
3. 7028907 - Method and device for data input