Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12433066 | Semiconductor optical device and method of producing the same | Osamu Tanaka | 2025-09-30 |
| 12336335 | Light-emitting element and method of producing the same | Shogo Sakuraba, Osamu Tanaka | 2025-06-17 |
| 12125702 | Semiconductor light-emitting element and method of producing the same | Osamu Tanaka | 2024-10-22 |
| 11894502 | Method of manufacturing semiconductor optical device and intermediate article of semiconductor optical device | Yuta Koshika, Tetsuya Ikuta | 2024-02-06 |
| 11888090 | Semiconductor light-emitting element and method of producing semiconductor light-emitting element | Yuta Koshika | 2024-01-30 |
| 9537066 | Method of manufacturing semiconductor light emitting device, and semiconductor light emitting device | — | 2017-01-03 |
| 9537053 | III nitride semiconductor device and method of manufacturing the same | Meoung Whan Cho, Seog Woo Lee, Ryuichi Toba | 2017-01-03 |
| 9502603 | Vertically structured group III nitride semiconductor LED chip and method for manufacturing the same | Meoung Whan Cho, Seog Woo Lee, Pil Guk Jang, Ryuichi Toba | 2016-11-22 |
| 9318653 | Luminescent device and manufacturing method for luminescent device and semiconductor device | Tatsunori Toyota | 2016-04-19 |
| 9287366 | III nitride semiconductor device and method of producing the same | Tatsunori Toyota | 2016-03-15 |
| 9184338 | Semiconductor device and method of manufacturing the same | Meoung Whan Cho, Seog Woo Lee, Ryuichi Toba | 2015-11-10 |
| 9082893 | Luminescent device and manufacturing method for luminescent device and semiconductor device | Tatsunori Toyota | 2015-07-14 |
| 9012935 | Vertically structured group III nitride semiconductor LED chip and method for manufacturing the same | Meoung Whan Cho, Seog Woo Lee, Pil Guk Jang, Ryuichi Toba, Tatsunori Toyota | 2015-04-21 |
| 8963290 | Semiconductor device and manufacturing method therefor | Ryuichi Toba, Meoung Whan Cho, Seog Woo Lee, Pil Guk Jang | 2015-02-24 |
| 8962362 | Vertically structured group III nitride semiconductor LED chip and method for manufacturing the same | Meoung Whan Cho, Seog Woo Lee, Pil Guk Jang, Ryuichi Toba, Tatsunori Toyota | 2015-02-24 |
| 8878189 | Group III nitride semiconductor growth substrate, group III nitride semiconductor epitaxial substrate, group III nitride semiconductor element and group III nitride semiconductor free-standing substrate, and method of producing the same | Ryuichi Toba, Masahito Miyashita, Tatsunori Toyota | 2014-11-04 |
| D711581 | Lighting element | Meoung Whan Cho, Seog Woo Lee, Ryuichi Toba | 2014-08-19 |
| D711582 | Lighting element | Meoung Whan Cho, Seog Woo Lee, Ryuichi Toba | 2014-08-19 |
| D711583 | Lighting element | Meoung Whan Cho, Seog Woo Lee, Ryuichi Toba | 2014-08-19 |
| 8765584 | Semiconductor device and manufacturing method therefor | Tatsunori Toyota | 2014-07-01 |
| D703863 | Lighting elements | Meoung Whan Cho, Seog Woo Lee, Ryuichi Toba | 2014-04-29 |
| D703862 | Lighting elements | Meoung Whan Cho, Seog Woo Lee, Ryuichi Toba | 2014-04-29 |