Average Co-Inventor Count = 3.00
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. Hitachi Chemical Company, Ltd. (2 from 1,641 patents)
2 patents:
1. 10403538 - Expansion method, method for manufacturing semiconductor device, and semiconductor device
2. 10008405 - Expansion method, method for manufacturing semiconductor device, and semiconductor device