Average Co-Inventor Count = 2.77
ph-index = 1
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. (2 from 1,572 patents)
2. Japan Aerospace Exploration Agency (1 from 239 patents)
3 patents:
1. 8884497 - Piezoelectric actuator and a method of manufacturing the same
2. 7793093 - Communications state transition monitoring method and communications state transition monitoring device utilizing the same
3. 6563675 - Magnetic head unit