Issued Patents 2004
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826825 | Method for manufacturing a magnetic recording medium | Naoki Takizawa, Takahiro Shimizu, Tadaaki Oikawa | 2004-12-07 |
| 6794028 | Perpendicular magnetic recording medium and a method of manufacturing the same | Yasushi Sakai, Tadaaki Oikawa, Miyabi Nakamura | 2004-09-21 |
| 6770388 | Perpendicular magnetic recording medium | Teruhisa Yokosawa | 2004-08-03 |
| 6767651 | Magnetic recording medium, method for manufacturing a magnetic recording medium and magnetic recording device | Tadaaki Oikawa, Takahiro Shimizu, Naoki Takizawa | 2004-07-27 |
| 6764721 | Manufacturing method for a perpendicular magnetic recording medium | Yasushi Sakai, Toyoji Ataka | 2004-07-20 |
| 6716543 | Magnetic recording medium and method for producing same | Tadaaki Oikawa, Naoki Takizawa | 2004-04-06 |
| 6716542 | Sputtering target for production of a magnetic recording medium | Tadaaki Oikawa | 2004-04-06 |
| 6696172 | Recording medium and method for manufacturing the same | Tadaaki Oikawa, Takahiro Shimizu, Naoki Takizawa | 2004-02-24 |
| 6673475 | Magnetic recording medium and manufacturing method therefore | Tadaaki Oikawa, Takahiro Shimizu, Naoki Takizawa | 2004-01-06 |