Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782717 | Method for manufacturing glass substrate of information recording medium | Yasuhiro Saito, Kazuishi Mitani, Tatsuro Umeyama, Koji Okuhata | 2004-08-31 |
| 6708526 | Method for manufacturing a glass sheet having an uneven surface | Akihiro Hishinuma | 2004-03-23 |