Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9005781 | Magnetic recording medium for perpendicular magnetic recording | Jianing Zhou, B. Ramamurthy Acharya, Gunn Choe | 2015-04-14 |
| 8277962 | Magnetic recording medium for perpendicular magnetic recording | Jianing Zhou, B. Ramamurthy Acharya, Gunn Choe | 2012-10-02 |
| 8110298 | Media for high density perpendicular magnetic recording | Gunn Choe, B. Ramamurthy Acharya, Min Zheng | 2012-02-07 |
| 7901802 | Magnetic recording medium for perpendicular magnetic recording | Jianing Zhou, B. Ramamurthy Acharya, Gunn Choe | 2011-03-08 |
| 7796358 | Method and apparatus for eliminating spike noise in a soft magnetic underlayer | Albert Tchekanov, Robert Weng, Michael Mallary | 2010-09-14 |
| 7588842 | Perpendicular magnetic recording medium with a pinned soft underlayer | Min Zheng, Paramjit Kaur Gill | 2009-09-15 |
| 7566507 | Magnetic recording medium, magnetic storage apparatus and method of producing magnetic recording medium | Akihiro Inomata, Antony Ajan | 2009-07-28 |
| 7354665 | Magnetic recording medium and magnetic storage apparatus | Antony Ajan | 2008-04-08 |
| 7264892 | Magnetic recording medium and magnetic storage apparatus | Antony Ajan, Akihiro Inomata, B. Ramamurthy Acharya | 2007-09-04 |
| 6893735 | Magnetic recording medium with anti-ferromagnetically coupled magnetic layers, and magnetic storage apparatus | B. Ramamurthy Acharya | 2005-05-17 |
| 6828047 | Magnetic recording medium and magnetic storage apparatus | Iwao Okamoto | 2004-12-07 |
| 6821652 | Magnetic recording medium and magnetic storage apparatus | Iwao Okamoto, Yoshifumi Mizoshita | 2004-11-23 |
| 6773833 | Magnetic storage medium having improved thermal stability and a magnetic storage device using such a high-density magnetic storage medium | Akihiro Inomata, B. Ramamurthy Acharya | 2004-08-10 |
| 6753101 | Magnetic recording medium, magnetic storage apparatus, recording method and method of producing magnetic recording medium | Iwao Okamoto, Yoshifumi Mizoshita, Yuki Yoshida | 2004-06-22 |
| 6689495 | Magnetic recording medium and magnetic storage apparatus | Hisateru Sato, Isatake Kaitsu, Iwao Okamoto, Yoshifumi Mizoshita | 2004-02-10 |
| 6645646 | Magnetic recording medium and magnetic storage apparatus | Hisashi Umeda, Iwao Okamoto, Yoshifumi Mizoshita | 2003-11-11 |
| 6623875 | Magnetic recording medium and magnetic storage apparatus | Akihiro Inomata, B. Ramamurthy Acharya | 2003-09-23 |
| 6613460 | Magnetic recording medium and magnetic storage apparatus | Iwao Okamoto | 2003-09-02 |
| 6610424 | Magnetic recording medium and magnetic storage apparatus | B. Ramamurthy Acharya | 2003-08-26 |
| 6602612 | Magnetic recording medium and magnetic storage apparatus | Iwao Okamoto, Yoshifumi Mizoshita | 2003-08-05 |
| 6562489 | Magnetic recording medium and magnetic storage apparatus | Iwao Okamoto | 2003-05-13 |