Average Co-Inventor Count = 2.00
ph-index = 3
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. Nifco Inc. (4 from 1,192 patents)
4 patents:
1. 12391186 - Storage device and cover member for the storage device
2. 10857946 - Shutter
3. 8485585 - Push-up device
4. D479242 - Oil damper