Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |