Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10399854 | Silicon nitride powder, silicon nitride sintered body and circuit substrate, and production method for said silicon nitride powder | Takeshi Yamao, Michio Honda | 2019-09-03 |
| 10125313 | Oxynitride phosphor powder and method for producing same | Mao Sumino, Takayuki Ueda, Kazuki Iwashita, Masataka Fujinaga | 2018-11-13 |
| 9828545 | (Oxy)nitride phosphor powder and method of producing same | Mao Sumino, Kazuki Iwashita, Takuma Sakai, Masataka Fujinaga | 2017-11-28 |
| 9777215 | Oxynitride phosphor powder | Mao Sumino, Takuma Sakai, Kazuki Iwashita, Masataka Fujinaga | 2017-10-03 |
| 9758720 | Oxynitride phosphor powder, silicon nitride powder for production of oxynitride phosphor powder, and production method of oxynitride phosphor powder | Masataka Fujinaga, Takayuki Ueda, Takuma Sakai | 2017-09-12 |
| 9708533 | Wavelength conversion member and light-emitting device employing same | Kazuki Iwashita, Takuma Sakai, Takayuki Ueda, Masataka Fujinaga, Masataka Yamanaga +2 more | 2017-07-18 |
| 9382477 | Oxynitride phosphor powder | Takayuki Ueda, Masataka Fujinaga, Takuma Sakai | 2016-07-05 |
| 9022343 | Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same | Takeshi Yamao, Michio Honda | 2015-05-05 |
| 9023240 | Silicon nitride powder for siliconnitride phosphor, CaAlSiN3 phosphor using same, Sr2Si5N8 phosphor using same, (Sr, Ca)AlSiN3 phosphor using same, La3Si6N11 Phosphor using same, and methods for producing the phosphors | Masataka Fujinaga, Takayuki Ueda, Takuma Sakai | 2015-05-05 |
| 9023241 | Silicon nitride powder for siliconnitride phosphor, Sr3Al3Si13O2N21 phosphor and β-sialon phosphor both obtained using same, and processes for producing these | Masataka Fujinaga, Takuma Sakai | 2015-05-05 |
| 8974698 | Production method of sialon-based oxynitride phosphor, and sialon-based oxynitride phosphor | Masataka Fujinaga, Takayuki Ueda | 2015-03-10 |
| 8973888 | Polycrystalline silicon ingot casting mold and method for producing same, and silicon nitride powder for mold release material for polycrystalline silicon ingot casting mold and slurry containing same | Takeshi Yamao, Takayuki Fujii | 2015-03-10 |
| 8864481 | Mold for casting polycrystalline silicon ingot, and silicon nitride powder for mold release material thereof, slurry containing silicon nitride powder for mold release layer thereof and mold release material for casting thereof | Takeshi Yamao, Michio Honda | 2014-10-21 |