Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9434637 | Optical glass, hot-molded article and method of manufacturing the same, optical element and method of manufacturing the same | — | 2016-09-06 |
| 9424873 | Method of manufacturing magnetic recording medium, and magnetic recording medium | Yoshiaki Sonobe | 2016-08-23 |
| 8795790 | Magnetic recording medium and magnetic recording medium manufacturing method | Yoshiaki Sonobe, Akira Shimada, Tsuyoshi Ozawa | 2014-08-05 |