Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10400162 | Phosphor containing particle, and light emitting device and phosphor containing sheet using the same | Yasutaka Kuzumoto, Tatsuya Ryohwa, Noriyuki Yamazumi, Makoto Izumi | 2019-09-03 |
| 10174886 | Wavelength conversion member and light emitting device | Tatsuya Ryohwa, Noriyuki Yamazumi, Makoto Izumi, Yasutaka Kuzumoto, Takuya Nakashima +1 more | 2019-01-08 |
| 9803137 | Semiconductor phosphor nanoparticle and light-emitting element including semiconductor phosphor nanoparticle | Yasutaka Kuzumoto, Tatsuya Ryohwa | 2017-10-31 |
| 9716211 | Semiconductor phosphor nanoparticle, semiconductor phosphor nanoparticle-containing glass, light emitting device, and light emitting element | Yasutaka Kuzumoto, Tatsuya Ryohwa, Noriyuki Yamazumi, Makoto Izumi | 2017-07-25 |
| 9410082 | Semiconductor phosphor nanoparticle and light-emitting device including the same | Tatsuya Ryohwa | 2016-08-09 |
| 9376616 | Nanoparticle phosphor and method for manufacturing the same, semiconductor nanoparticle phosphor and light emitting element containing semiconductor nanoparticle phosphor, wavelength converter and light emitting device | Tatsuya Ryohwa | 2016-06-28 |