Average Co-Inventor Count = 4.90
ph-index = 2
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. National Taiwan University (2 from 1,719 patents)
2. Other (1 from 832,843 patents)
3. Ching-ray Chang (1 from 1 patent)
4 patents:
1. 8491730 - Magnetic material
2. 8337637 - Method for ordering a disordered alloy and method for making a perpendicular magnetic recording medium
3. 7993766 - Perpendicular magnetic recording medium and method for fabricating the same
4. 7838135 - Heat assisted magnetic recording medium and method for fabricating the same