Yuanda Cheng

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Magnetic recording media with oxidized seedlayer for reduced grain...
- Patent number 6,620,531
- Issue date Sep 16, 2003
- Seagate Technology LLC
- Yuanda Randy Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Control of magnetic film grain structure by modifying Ni-P plating...
- Patent number 6,524,724
- Issue date Feb 25, 2003
- Seagate Technology LLC
- Yuanda Randy Cheng
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Magnetic recording media having CrMo underlayers
- Patent number 6,361,859
- Issue date Mar 26, 2002
- United Modular Corporation
- Yuanda Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic recording media having CrMo underlayers
- Patent number 6,183,860
- Issue date Feb 6, 2001
- StorMedia, Inc.
- Yuanda Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Carbon seedlayer on non-metallic substrates for magnetic recording...
- Patent number 5,800,863
- Issue date Sep 1, 1998
- Akashic Memories Corporation
- Yuanda Cheng
- G11 - INFORMATION STORAGE
Information Patent Grant
Carbon seedlayer on non-metallic substrates for magnetic recording...
- Patent number 5,599,632
- Issue date Feb 4, 1997
- Akashic Memories Corporation
- Yuanda Cheng
- G11 - INFORMATION STORAGE