Average Co-Inventor Count = 5.48
ph-index = 15
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. (49 from 42,508 patents)
2. Hitachi Vlsi Engineering Corp. (7 from 182 patents)
3. Other (3 from 832,880 patents)
4. Hitachi Ulsi Engineering Corp. (1 from 87 patents)
52 patents:
1. 7347656 - Vacuum processing apparatus and semiconductor manufacturing line using the same
2. 7201551 - Vacuum processing apparatus and semiconductor manufacturing line using the same
3. 7132293 - Method and apparatus for processing samples
4. 6989228 - Method and apparatus for processing samples
5. 6962472 - Vacuum processing apparatus and semiconductor manufacturing line using the same
6. 6895685 - Vacuum processing apparatus and semiconductor manufacturing line using the same
7. 6894334 - Semiconductor integrated circuit device, process for fabricating the same, and apparatus for fabricating the same
8. 6752580 - Vacuum processing apparatus and semiconductor manufacturing line using the same
9. 6752579 - Vacuum processing apparatus and semiconductor manufacturing line using the same
10. 6705828 - Vacuum processing apparatus and semiconductor manufacturing line using the same
11. 6672819 - Vacuum processing apparatus and semiconductor manufacturing line using the same
12. 6548847 - SEMICONDUCTOR INTEGRATED CIRCUIT DEVICE HAVING A FIRST WIRING STRIP EXPOSED THROUGH A CONNECTING HOLE, A TRANSITION-METAL FILM IN THE CONNECTING HOLE AND AN ALUMINUM WIRING STRIP THEREOVER, AND A TRANSITION-METAL NITRIDE FILM BETWEEN THE ALUMINUM WIRING STRIP AND THE TRANSITION-METAL FILM
13. 6537415 - Apparatus for processing samples
14. 6537417 - Apparatus for processing samples
15. 6526330 - Vacuum processing apparatus and semiconductor manufacturing line using the same