Average Co-Inventor Count = 5.79
ph-index = 18
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. (31 from 42,485 patents)
2. Hitachi-high-technologies Corporation (31 from 2,874 patents)
3. Other (3 from 832,680 patents)
4. Hitachi High-tech Electronics Engineering Co., Ltd. (3 from 14 patents)
5. Renesas Technology Corp. (2 from 3,781 patents)
53 patents:
1. 8559000 - Method of inspecting a semiconductor device and an apparatus thereof
2. 8508727 - Defects inspecting apparatus and defects inspecting method
3. 8289507 - Method of apparatus for detecting particles on a specimen
4. 8274651 - Method of inspecting a semiconductor device and an apparatus thereof
5. 8269959 - Inspection method and inspection apparatus
6. 8228495 - Defects inspecting apparatus and defects inspecting method
7. 8094295 - Inspection method and inspection apparatus
8. 8040503 - Method of inspecting a semiconductor device and an apparatus thereof
9. 8013989 - Defects inspecting apparatus and defects inspecting method
10. 7952700 - Method of apparatus for detecting particles on a specimen
11. 7940383 - Method of detecting defects on an object
12. 7903244 - Method for inspecting defect and apparatus for inspecting defect
13. 7817261 - Method of apparatus for detecting particles on a specimen
14. 7768634 - Defects inspecting apparatus and defects inspecting method
15. 7692779 - Apparatus and method for testing defects