Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12107129 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Satoru Nagao, Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda +3 more | 2024-10-01 |
| 11664428 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Satoru Nagao, Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda +3 more | 2023-05-30 |
| 11038024 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Satoru Nagao, Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda +3 more | 2021-06-15 |
| 11031475 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Satoru Nagao, Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda +3 more | 2021-06-08 |
| 10655244 | GaN substrate, method for producing GaN substrate, method for producing GaN crystal, and method for manufacturing semiconductor device | Yusuke Tsukada, Satoru Nagao, Kazunori Kamada, Masayuki Tashiro, Hideo Fujisawa +3 more | 2020-05-19 |
| 10570530 | Periodic table group 13 metal nitride crystals and method for manufacturing periodic table group 13 metal nitride crystals | Yuuki ENATSU, Satoru Nagao, Shuichi Kubo, Hirotaka Ikeda | 2020-02-25 |
| 10475887 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Satoru Nagao, Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda +3 more | 2019-11-12 |
| 10066319 | GaN substrate, method for producing GaN substrate, method for producing GaN crystal, and method for manufacturing semiconductor device | Yusuke Tsukada, Satoru Nagao, Kazunori Kamada, Masayuki Tashiro, Hideo Fujisawa +3 more | 2018-09-04 |
| 10023976 | Periodic table group 13 metal nitride crystals and method for manufacturing periodic table group 13 metal nitride crystals | Yuuki ENATSU, Satoru Nagao, Shuichi Kubo, Hirotaka Ikeda | 2018-07-17 |
| 9840791 | Periodic table group 13 metal nitride crystals and method for manufacturing periodic table group 13 metal nitride crystals | Yuuki ENATSU, Satoru Nagao, Shuichi Kubo, Hirotaka Ikeda | 2017-12-12 |
| 9551088 | Method for growing group III-nitride crystals in supercritical ammonia using an autoclave | Tadao Hashimoto, Shuji Nakamura | 2017-01-24 |
| 9502241 | Group III nitride crystal production method and group III nitride crystal | Hajime Matsumoto, Kunitada Suzaki, Satoru Nagao | 2016-11-22 |
| 9428386 | Process for producing a group-III nitride crystal and process for producing a light-emitting semiconductor element or a semiconductor device comprising a group-III nitride crystal | Yasuhiro Uchiyama | 2016-08-30 |
| 9112096 | Method for producing group-III nitride semiconductor crystal, group-III nitride semiconductor substrate, and semiconductor light emitting device | Kazumasa Kiyomi | 2015-08-18 |
| 8728622 | Single-crystal substrate, group-III nitride crystal obtained using the same, and process for producing group-III nitride crystal | Yasuhiro Uchiyama | 2014-05-20 |
| 8709371 | Method for growing group III-nitride crystals in supercritical ammonia using an autoclave | Tadao Hashimoto, Shuji Nakamura | 2014-04-29 |
| 8545626 | Nitride semiconductor crystal and its production method | Shuichi Kubo, Yoko Mashige | 2013-10-01 |
| 8269251 | Method for producing group III nitride semiconductor crystal, group III nitride semiconductor substrate, and semiconductor light-emitting device | Kazumasa Kiyomi | 2012-09-18 |
| 8022413 | Group III nitride semiconductor substrate and method for cleaning the same | Hirotaka Oota, Shuichi Kubo | 2011-09-20 |
| 7928446 | Group III nitride semiconductor substrate and method for cleaning the same | Hirotaka Oota, Shuichi Kubo | 2011-04-19 |