Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6716524 | Rare earth borate and making method | Miyuki Ohyama | 2004-04-06 |
| 6685991 | Method for formation of thermal-spray coating layer of rare earth fluoride | Takao Maeda | 2004-02-03 |
| 6677262 | Rare earth oxide, basic rare earth carbonate, making method, phosphor, and ceramic | Miyuki Ohyama | 2004-01-13 |