Average Co-Inventor Count = 1.94
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. (4 from 1,572 patents)
2. Nippon Steel Chemical & Material Co., Ltd. (1 from 120 patents)
5 patents:
1. 10376870 - Catalyst block
2. 6911751 - Motor
3. 6661138 - Vibration generating motor
4. 6075301 - Compact motor
5. 5698918 - Small DC motor having a shield band