Average Co-Inventor Count = 6.00
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. Omron Corporation (3 from 4,118 patents)
3 patents:
1. 5834649 - Vibration sensor including a movable magnet positioned between
2. 5650982 - Pulsimeter provided with or without a pedometer
3. 5539706 - Pulsimeter provided with or without a pedometer