Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8298691 | Magnetic recording medium and magnetic recording and reproducing apparatus | Yoshinori Uchiyama, Takahiro Suwa, Narutoshi Fukuzawa | 2012-10-30 |
| 8040633 | Magnetic head and magnetic recording-reproducing apparatus | Akimasa Kaizu, Yoshikazu Soeno | 2011-10-18 |
| 7940494 | Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium | Takahiro Suwa | 2011-05-10 |
| 7864469 | Information recording medium, recording/reproducing apparatus, and stamper | Yoshikazu Soeno | 2011-01-04 |
| 7821738 | Magnetic recording medium, stamper recording/reproducing apparatus and method of measuring a parameter | Kuniyasu Ito, Makoto Moriya | 2010-10-26 |
| 7811077 | Stamper, imprinting method, and method of manufacturing an information recording medium | Kazuhiro Hattori | 2010-10-12 |
| 7800859 | Recording/reproducing apparatus and tracking servo control method | Makoto Moriya | 2010-09-21 |
| 7741229 | Method for manufacturing magnetic recording medium | Takahiro Suwa, Shuichi Okawa | 2010-06-22 |
| 7672075 | Magnetic recording medium, recording/reproducing apparatus, and stamper | Yoshikazu Soeno | 2010-03-02 |
| 7616404 | Magnetic recording medium, magnetic recording and reproducing apparatus, and method for manufacturing magnetic recording medium | Takahiro Suwa | 2009-11-10 |
| 7604880 | Information recording medium | Mitsuru Takai, Yoshikazu Soeno, Katsumichi Tagami, Takahiro Suwa | 2009-10-20 |
| 7597972 | Magnetic recording medium including a patterned intermediate layer and a non-patterned soft magnetic layer and manufacturing method thereof | Yoshikazu Soeno, Mitsuru Takai, Katsumichi Tagami | 2009-10-06 |
| 7554760 | Recording/reproducing apparatus and method of measuring a parameter | Makoto Moriya, Kuniyasu Ito | 2009-06-30 |
| 7541106 | Magnetic recording medium and magnetic recording/reproducing device | Shuichi Okawa, Mitsuru Takai | 2009-06-02 |
| 7517406 | Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same and crucible for producing the same | Atsushi Ohido, Tamotsu Sugawara, Kazuhito Yamasawa, Shinichiro Kakei, Katsunori Hosoya | 2009-04-14 |
| 7505220 | Magnetic recording medium, recording/reproducing apparatus, and stamper | Yoshikazu Soeno | 2009-03-17 |
| 7494727 | Magnetic recording medium and magnetic recording and reproducing apparatus | Takahiro Suwa | 2009-02-24 |
| 7482070 | Magnetic recording medium | Mitsuru Takai, Yoshikazu Soeno, Katsumichi Tagami | 2009-01-27 |
| 7423842 | Magnetic recording medium having servo and data track regions with different arithmetical mean deviations | Minoru Fujita, Mitsuru Takai | 2008-09-09 |
| 7403353 | Magnetic recording and reproducing system with recording layer having predetermined convex-concave pattern | Katsumichi Tagami | 2008-07-22 |
| 7385785 | Magnetic recording medium and magnetic recording and reproduction apparatus | Kazuhiro Hattori | 2008-06-10 |
| 7352529 | Magnetic recording medium and magnetic recording and reproducing device using a magnetic recording layer formed with a predetermined concavo-convex pattern | Mikiharu Hibi, Kazuhiro Hattori | 2008-04-01 |
| 7333261 | Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same crucible for producing the same | Atsushi Ohido, Tamotsu Sugawara, Kazuhito Yamasawa, Shinichiro Kakei, Katsunori Hosoya | 2008-02-19 |
| 7158340 | Magnetic recording and reproducing apparatus and magnetic recording medium | Katsumichi Tagami, Yoshikazu Soeno, Hiroki Matsukuma | 2007-01-02 |
| 7133189 | Magnetic garnet material, faraday rotator, optical device, bismuth-substituted rare earth-iron-garnet single-crystal film and method for producing the same and crucible for producing the same | Atsushi Ohido, Tamotsu Sugawara, Kazuhito Yamasawa, Shinichiro Kakei, Katsunori Hosoya | 2006-11-07 |