Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029687 | Polishing slurry, production method of glass substrate for information recording medium and production method of information recording medium | Katsuaki Aida, Kazuyuki Haneda | 2011-10-04 |
| 7867579 | Method for forming carbon protective film and method for producing magnetic recording medium, magnetic recording medium and magnetic recording/reproducing apparatus | — | 2011-01-11 |