Hongmei HAN

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Fremont, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for fabricating a magnetic writer using multiple etches of d...
- Patent number 9,305,583
- Issue date Apr 5, 2016
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for fabricating a magnetic writer using multiple etches
- Patent number 9,280,990
- Issue date Mar 8, 2016
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for making PMR writer with constant side wall angle
- Patent number 9,263,067
- Issue date Feb 16, 2016
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and system for providing a magnetic recording pole having a...
- Patent number 8,563,146
- Issue date Oct 22, 2013
- Western Digital (Fremont), LLC
- Jinqiu Zhang
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
PMR WRITER WITH CONSTANT SIDE WALL ANGLE
- Publication number 20160125899
- Publication date May 5, 2016
- WESTERN DIGITAL (FREMONT), LLC
- Jinqiu ZHANG
- G11 - INFORMATION STORAGE