Xiaoding Ma
32Patents
7h-index
46Co-inventors
69Inventor score
Filing activity: Aug 18, 1999 → Mar 12, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6627302B1 | Lubricant overcoat for recording media and a process for making the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6613422B1 | Nitrogen -implanted, high carbon density overcoats for recording media | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6312798A | Magnetic recording medium having a nitrogen-doped hydrogenated carbon protective overcoat | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6392244B1 | Ion beam deposition of diamond-like carbon overcoats by hydrocarbon source gas pulsing | Chemistry; Metallurgy | 10 | Expired |
| US6673429B1 | Magnetic recording media with a multiple-layer lubricant | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7175926B2 | Dual-layer carbon-based protective overcoats for recording media by filtered cathodic ARC deposition | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8586703B2 | Low profile lubricant with cyclophosphazene ring attached | Chemistry; Metallurgy | 7 | Active |
| US8114470B2 | Reduced spacing recording apparatus | Emerging Cross-Sectional Technologies | 6 | Active |
| US6800349B2 | Zone bonded lubrication for hard disk recording media | Physics | 5 | Expired |
| US6660413B1 | Component of a magnetic recording medium with sealing layer for corrosion protection | Emerging Cross-Sectional Technologies | 5 | Expired |
| US10614850B1 | Coating a near field transducer with a dielectric material from magnetic recording medium | Physics | 5 | Active |
| US6602570B1 | Zone bonded lubrication for hard disk recording media | Physics | 5 | Expired |
| US6638608B1 | Protection overcoat for recording media | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6656614B1 | Method for manufacturing magnetic media with textured CSS landing zone formed by ion implantation, and media obtained thereby | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6767592B2 | Method for thin film protective overcoat | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6526909B1 | Biased ion beam deposition of high density carbon | Electricity | 2 | Expired |
| US7354618B2 | Oxygen plasma post-deposition treatment of magnetic recording media | Performing Operations; Transporting | 2 | Expired |
| US6878418B2 | Method for making zone-bonded lubricant layer for magnetic hard discs | Physics | 1 | Expired |
| US6689425B1 | Nitrogen-doped hydrogenated carbon films by ion beam deposition | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9842616B1 | Selective heat-assisted removal of head over-coat and media over-coat | Physics | 0 | Active |
| US9734856B2 | Apparatuses and methods for absorbing optical energy | Physics | 0 | Active |
| US10373637B2 | Granularity in overlying magnetic and non-magnetic layers | Physics | 0 | Active |
| US10151025B2 | Helmholtz coil assisted PECVD carbon source | Electricity | 0 | Active |
| US9984714B2 | Apparatuses and methods for absorbing optical energy | Physics | 0 | Active |
| US6982071B2 | Thin-film magnetic recording media with dual intermediate layer structure for increased coercivity | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.