Average Co-Inventor Count = 1.20
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. International Business Machines Corporation (3 from 164,306 patents)
3 patents:
1. 9792802 - Comprehensive tsunami alert system via mobile devices
2. 9301088 - Comprehensive tsunami alert system via mobile devices
3. 8821281 - Detection of an orientation of a game player relative to a screen