Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8722212 | Magnetic recording medium with a non-magnetic granular layer under a plurality of granular magnetic layers and storage apparatus | Ryo Kurita, Satoshi Igarashi, Akira Kikuchi | 2014-05-13 |
| 8057927 | Magnetic recording medium and information storage apparatus | Satoshi Igarashi, Tohru Horie, Ryo Kurita, Akira Kikuchi, Shinya Sato | 2011-11-15 |
| 7611783 | Magnetic recording medium and magnetic recording device | Ryosaku Inamura, Takuya Uzumaki | 2009-11-03 |
| RE38587 | Magnetic recording medium | Iwao Okamoto, Masayoshi Shinohara | 2004-09-14 |
| 6713196 | Magnetic recording medium and magnetic recording device | — | 2004-03-30 |
| 6689495 | Magnetic recording medium and magnetic storage apparatus | Hisateru Sato, E. Noel Abarra, Iwao Okamoto, Yoshifumi Mizoshita | 2004-02-10 |
| 6562481 | Magnetic storage medium | Hisateru Sato, Iwao Okamoto | 2003-05-13 |
| 6534205 | Magnetic storage medium | Hisateru Sato, Iwao Okamoto | 2003-03-18 |
| 5843569 | Magnetic recording medium and device | Iwao Okamoto | 1998-12-01 |
| 5774783 | Magnetic recording medium | Iwao Okamoto, Masayoshi Shinohara | 1998-06-30 |
| 5523639 | Electrostatic actuator having ferroelectrics in which residual dielectric polarization is formed | Iwao Okamoto, Minoru Takahashi | 1996-06-04 |