Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10479911 | Composition and method for polishing memory hard disks exhibiting reduced edge roll off | — | 2019-11-19 |
| 10315285 | CMP composition and method for polishing rigid disks | Tong Li, Michael White, Ke Zhang | 2019-06-11 |
| 9909032 | Composition and method for polishing memory hard disks | Michael White | 2018-03-06 |
| 9534147 | Polishing composition and method for nickel-phosphorous coated memory disks | Hon Wu Lau, Ke Zhang | 2017-01-03 |
| 9469787 | Nickel phosphorous CMP compositions and methods | Ke Zhang | 2016-10-18 |
| 9330703 | Polishing composition for nickel-phosphorous memory disks | Haresh Siriwardane | 2016-05-03 |
| 9039914 | Polishing composition for nickel-phosphorous-coated memory disks | Haresh Siriwardane | 2015-05-26 |
| 8518135 | Polishing composition containing hybrid abrasive for nickel-phosphorous coated memory disks | Rujee Lorpitthaya, Haresh Siriwardane | 2013-08-27 |
| 8226841 | Polishing composition for nickel-phosphorous memory disks | Haresh Siriwardane | 2012-07-24 |