Average Co-Inventor Count = 5.00
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. Hitachi, Ltd. (2 from 42,508 patents)
2. Renesas Technology Corp. (1 from 3,781 patents)
3 patents:
1. 7375037 - Fabrication method for semiconductor integrated circuit device
2. 6633072 - Fabrication method for semiconductor integrated circuit devices and semiconductor integrated circuit device
3. 6479392 - Fabrication method for semiconductor integrated circuit devices and semiconductor integrated circuit device