Average Co-Inventor Count = 7.83
ph-index = 20
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. (70 from 42,496 patents)
2. Renesas Technology Corp. (6 from 3,781 patents)
3. Other (2 from 832,843 patents)
4. Hitachi Cable, Inc. (2 from 836 patents)
5. Ihi Corporation (1 from 1,142 patents)
6. Hitachi Haramachi Electronics Co., Ltd. (1 from 8 patents)
79 patents:
1. 11125665 - Test jig and test method
2. 8864888 - Oil-water separation device and refining device
3. 7862952 - Membrane electrode composite module, fuel cell and electronic equipment, and method of manufacturing the membrane electrode composite module
4. 7298081 - Display apparatus with shell-structured vacuum seal
5. 7202570 - Circuit tape having adhesive film semiconductor device and a method for manufacturing the same
6. 7198962 - Semiconductor device and manufacturing method thereof including a probe test step and a burn-in test step
7. 7119362 - Method of manufacturing semiconductor apparatus
8. 6987668 - Liquid cooling system and personal computer using thereof
9. 6972954 - Liquid cooling system and personal computer using the same
10. 6919622 - Semiconductor device
11. 6873525 - Liquid cooling system and personal computer using the same
12. 6861294 - Semiconductor devices and methods of making the devices
13. 6844219 - Semiconductor device and lead frame therefor
14. 6791194 - Circuit tape having adhesive film, semiconductor device, and a method for manufacturing the same
15. 6741464 - Liquid cooling system and personal computer using thereof