Average Co-Inventor Count = 3.53
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 (4 from 45 patents)
2. Gtech Corporation (1 from 52 patents)
3. Organización National De Ciegos Españoles (1 from 1 patent)
5 patents:
1. 8534524 - Perforated ticket dispensing machine
2. 7651030 - Method and device for data input
3. 7590950 - Mobile lottery terminal including features facilitating use by visually impaired ticket agents
4. 7576733 - Touch screen image setting frame
5. 7028907 - Method and device for data input