Average Co-Inventor Count = 5.81
ph-index = 12
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. (34 from 42,496 patents)
2. Renesas Technology Corp. (8 from 3,781 patents)
3. Hitachi Cable, Inc. (1 from 836 patents)
42 patents:
1. 7862952 - Membrane electrode composite module, fuel cell and electronic equipment, and method of manufacturing the membrane electrode composite module
2. 7198962 - Semiconductor device and manufacturing method thereof including a probe test step and a burn-in test step
3. 6977514 - Probe structure
4. 6955870 - Method of manufacturing a semiconductor device
5. 6952110 - Testing apparatus for carrying out inspection of a semiconductor device
6. 6885208 - Semiconductor device and test device for same
7. 6876073 - Semiconductor device and contractor for inspection
8. 6864568 - Packaging device for holding a plurality of semiconductor devices to be inspected
9. 6864695 - Semiconductor device testing apparatus and semiconductor device manufacturing method using it
10. 6828810 - Semiconductor device testing apparatus and method for manufacturing the same
11. 6774654 - Semiconductor-device inspecting apparatus and a method for manufacturing the same
12. 6714030 - Semiconductor inspection apparatus
13. 6696849 - Fabrication method of semiconductor integrated circuit device and its testing apparatus
14. 6660541 - Semiconductor device and a manufacturing method thereof
15. 6614246 - Probe structure