Average Co-Inventor Count = 4.00
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. (2 from 42,496 patents)
2. Renesas Technology Corp. (2 from 3,781 patents)
3. Hitachi Ulsi Systems Co., Ltd. (2 from 336 patents)
4. Hitachi Device Engineering Corp (2 from 2 patents)
5. Other (1 from 832,843 patents)
5 patents:
1. 7470568 - Method of manufacturing a semiconductor device
2. 7262083 - Method of manufacturing a semiconductor device
3. 6699737 - Method of manufacturing a semiconductor device
4. 5920115 - Semiconductor device and display unit using the semiconductor device and
5. 5767571 - Semiconductor device and display unit using the semiconductor device and