Average Co-Inventor Count = 6.00
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. Hitachi, Ltd. (3 from 42,485 patents)
2. Hitachi Vlsi Engineering Corp. (3 from 182 patents)
3 patents:
1. 5234866 - Semiconductor device and process for producing the same, and lead frame
2. 5126821 - Semiconductor device having inner leads extending over a surface of a
3. 4943843 - Semiconductor device