Average Co-Inventor Count = 2.00
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. Daishinku Corporation (3 from 101 patents)
3 patents:
1. 7485238 - Etching method, etched product formed by the same, and piezoelectric vibration device, method for producing the same
2. 6939475 - Etching method, etched product formed by the same, and piezoelectric vibration device, method for producing the same
3. 5952898 - Surface mounting piezoelectric filter with a shield electrode on a