Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9868886 | Abrasive agent for substrates and substrate manufacturing method | — | 2018-01-16 |
| 9388331 | Abrasive agent manufacturing method | — | 2016-07-12 |
| 9135939 | Glass substrate for information recording medium, information recording medium and method of manufacturing glass substrate for information recording medium | — | 2015-09-15 |
| 9076480 | Method of producing glass substrate for information recording medium | — | 2015-07-07 |
| 8966939 | Method for producing glass substrate for information recording medium | — | 2015-03-03 |
| 8938990 | Method for producing glass substrate for information storage medium, and information storage medium | Toshiharu Mori | 2015-01-27 |
| 8585463 | Process for producing glass substrate for information recording medium | — | 2013-11-19 |