Average Co-Inventor Count = 1.50
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. Nidec Sankyo Corporation (4 from 729 patents)
4 patents:
1. 12158298 - Ice making device
2. 11466917 - Ice making device
3. 11378321 - Ice making machine
4. 7573167 - Geared motor