Average Co-Inventor Count = 4.35
ph-index = 3
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. (5 from 42,517 patents)
2. Samsung Electronics Co., Ltd. (2 from 131,906 patents)
3. Hitachi-High-Technologies Corporation (2 from 2,874 patents)
4. Hitachi Maxell, Limited (1 from 1,112 patents)
5. Hitachi High-Technologies Co. (1 from 1 patent)
7 patents:
1. 8436301 - Transmission electron microscope having electron spectrometer
2. 8410457 - Sample transfer device and sample transferring method
3. 8338798 - Sample holder for electron microscope
4. 7544935 - Method and apparatus for evaluating thin films
5. 7053372 - Standard sample for transmission electron microscope (TEM) elemental mapping and TEM elemetal mapping method using the same
6. 6699602 - Amorphous magnetic recording medium, process for producing the same and magnetic recording and reproduction apparatus
7. 6689456 - Magnetic recording medium, a manufacturing method thereof, and a magnetic recording unit using thereof