Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10475964 | Method of producing n-type ohmic electrode and n-type ohmic electrode, n-type electrode, and III nitride semiconductor light-emitting device | — | 2019-11-12 |
| 9318653 | Luminescent device and manufacturing method for luminescent device and semiconductor device | Yoshitaka Kadowaki | 2016-04-19 |
| 9287366 | III nitride semiconductor device and method of producing the same | Yoshitaka Kadowaki | 2016-03-15 |
| 9263642 | III nitride semiconductor light emitting device and method for manufacturing the same | Tomohiko Shibata | 2016-02-16 |
| 9082893 | Luminescent device and manufacturing method for luminescent device and semiconductor device | Yoshitaka Kadowaki | 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, Yoshitaka Kadowaki | 2015-04-21 |
| 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, Yoshitaka Kadowaki | 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, Yoshitaka Kadowaki | 2014-11-04 |
| 8860294 | Light emitting element and method for manufacturing the same | Yutaka Ohta | 2014-10-14 |
| 8765584 | Semiconductor device and manufacturing method therefor | Yoshitaka Kadowaki | 2014-07-01 |
| 8736025 | III-nitride semiconductor growth substrate, III-nitride semiconductor epitaxial substrate, III-nitride semiconductor element, III-nitride semiconductor freestanding substrate all having improved crystallinity | Ryuichi Toba, Masahito Miyashita | 2014-05-27 |