Average Co-Inventor Count = 3.12
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. Nhk Spring Co., Ltd. (4 from 1,233 patents)
4 patents:
1. 12123851 - Load measuring device and load measuring method
2. 9358681 - Work hanging apparatus and work hanging method for hanging work on hanger through movement of work under correction
3. 9056349 - Coil-spring manufacturing apparatus
4. 8733537 - Guiding apparatus that maintains attitude of suspended object during conveyance