Average Co-Inventor Count = 1.92
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. Other (2 from 832,912 patents)
2. Columbia University (1 from 2,489 patents)
3. Research Foundation for Mental Hygiene, Inc. (1 from 45 patents)
4. Medic-Light Inc. (1 from 2 patents)
4 patents:
1. 5589741 - System for creating naturalistic illumination cycles
2. 5533527 - Treatment method for depressive and neurovegetative disorders
3. 5343121 - Naturalistic illumination system
4. 5149184 - Work station with phototherapy light box