Yuanda Cheng has been granted 10 US patents while listed as an inventor at Seagate Technology . The first was granted in 1997 and the most recent in October 2006. Yuanda Cheng ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Yuanda Cheng in San Jose, CA, US.
Patents per Year Patents granted per year, 1997 to 2006 Bar chart with a peak of 3 patents in 2003. peak 3 1997: 1 patents 1997 1998: 1 patents 1998 2001: 1 patents 2001 2002: 1 patents 2002 2003: 3 patents 2003 2004: 2 patents 2004 2006: 1 patents 2006
Issued Patents All Time
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Showing 1–10 of 10 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7118815 Method to improve coercivity radial profile in magnetic recording media and product thereof Xiongwei Ji , Jianzhong Shi , Darren Ng , Kakeng Ling , Huitong Ng +2 more 2006-10-10
$11,493,000
6702930 Method and means for enhancing utilization of sputtering targets Dennis Brown , Jianzhong Shi , Wee Ching Freddy Goh , Wah Soh , Steven Hiroshi Sawasaki 2004-03-09
$9,381,000
6689253 Facing target assembly and sputter deposition apparatus Chinsoon Koh , Stephen Sawasaki , Jianzhong Shi 2004-02-10
$11,048,000
6641932 Magnetic thin film media with chromium capping layer Weilu Xu , Taesun Kim , Chung Shih , Liji Huang , Kueir Weii Chour +2 more 2003-11-04
$12,338,000
6620531 Magnetic recording media with oxidized seedlayer for reduced grain size and reduced grain size distribution — 2003-09-16
$12,135,000
6524724 Control of magnetic film grain structure by modifying Ni-P plating of the substrate Connie Chunling Liu , Chung Shih , Linda Zhong , Jeff D. St. John , Jeffery Lee Petrehn 2003-02-25
$6,909,000
6361859 Magnetic recording media having CrMo underlayers Xingbo Yang , Yancy Song 2002-03-26
6183860 Magnetic recording media having CrMo underlayers Xingbo Yang , Yancy Song 2001-02-06
5800863 Carbon seedlayer on non-metallic substrates for magnetic recording media Richard A. Gardner , Mojtaba Sedighi 1998-09-01
5599632 Carbon seedlayer on non-metallic substrates for magnetic recording media Richard A. Gardner , Mojtaba Sedighi 1997-02-04