Average Co-Inventor Count = 5.43
ph-index = 22
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. (60 from 42,438 patents)
2. Hitachi-high-technologies Corporation (60 from 2,872 patents)
3. Renesas Technology Corp. (6 from 3,780 patents)
4. Hitachi High-tech Electronics Engineering Co., Ltd. (6 from 14 patents)
5. Other (3 from 831,952 patents)
6. Hitachi Electronics Engineering Co., Ltd. (2 from 88 patents)
7. Columbia University (1 from 2,473 patents)
8. Hitachi High-tech Corporation (1 from 1,057 patents)
9. Hitachi High-electronics Corporation (1 from 1 patent)
10. Hitachi High-technologies Corporaation (1 from 1 patent)
113 patents:
1. 11561184 - Support system for specified inspection, support method for specified inspection, and non-transitory computer readable medium
2. 9551670 - Surface inspection apparatus and method thereof
3. 9261475 - Inspection equipment and inspection method
4. 8823929 - Inspection apparatus
5. 8804109 - Defect inspection system
6. 8760643 - Apparatus and method for inspecting defect in object surface
7. 8729514 - Surface inspection apparatus and method thereof
8. 8559000 - Method of inspecting a semiconductor device and an apparatus thereof
9. 8542354 - Inspection apparatus
10. 8508727 - Defects inspecting apparatus and defects inspecting method
11. 8482728 - Apparatus and method for inspecting defect on object surface
12. 8467048 - Pattern defect inspection apparatus and method
13. 8319960 - Defect inspection system
14. 8289507 - Method of apparatus for detecting particles on a specimen
15. 8274651 - Method of inspecting a semiconductor device and an apparatus thereof