Average Co-Inventor Count = 2.53
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. Tdk Corporation (4 from 7,965 patents)
4 patents:
1. 10413218 - Wristband-type arm movement determination device and wristband-type activity tracker
2. 9909900 - Pedometer
3. 9861344 - Ovulation day estimation apparatus, ovulation day estimation method and storage medium in which ovulation day estimation program is recorded
4. 9749165 - Electronic thermometer, electronic thermometer system, and receiver