Average Co-Inventor Count = 1.71
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. Mitsumi Electric Company Ltd. (3 from 1,572 patents)
2. Health Research, Inc. (1 from 310 patents)
4 patents:
1. 7884799 - Joy stick
2. 7753786 - Hand held controller for games
3. 7371176 - Game controller with vibration motor
4. 5342613 - Pharmaceutical compositions and use thereof in the treatment of psoriasis