Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8900337 | Method for producing alumina sintered body, alumina sintered body, abrasive grains, and grindstone | Shinichiro Tomikawa, Hirokazu Miyazawa | 2014-12-02 |
| 8894730 | Alumina sintered body, abrasive grains, and grindstone | Shinichiro Tomikawa, Hirokazu Miyazawa | 2014-11-25 |
| 8882871 | Alumina sintered body, abrasive grains, and grindstone | Shinichiro Tomikawa, Hirokazu Miyazawa | 2014-11-11 |