Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9234257 | Production method for high-purity lanthanum, high-purity lanthanum, sputtering target composed of high-purity lanthanum, and metal gate film containing high-purity lanthanum as main component | Masahiro Takahata | 2016-01-12 |
| 9013009 | Method for producing high-purity lanthanum, high-purity lanthanum, sputtering target formed from high-purity lanthanum, and metal gate film having highy-purity lanthanum as main component | Masahiro Takahata, Kazuyuki Satoh, Satoyasu Narita | 2015-04-21 |