Issued Patents All Time
Showing 1–14 of 14 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, Kenji Fujito +3 more | 2024-10-01 |
| 11670687 | Gallium nitride substrate and manufacturing method of nitride semiconductor crystal | Yusuke Tsukada, Shuichi Kubo, Kazunori Kamada, Hideo Fujisawa, Tatsuhiro Ohata +2 more | 2023-06-06 |
| 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, Kenji Fujito +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, Kenji Fujito +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, Kenji Fujito +3 more | 2021-06-08 |
| 10995421 | Crystal of nitride of group-13 metal on periodic table, and method for producing the same | Yutaka Mikawa, Hideo Namita, Kazunori Kamada, Hideo Fujisawa, Atsuhiko Kojima | 2021-05-04 |
| 10734485 | Gallium nitride substrate and manufacturing method of nitride semiconductor crystal | Yusuke Tsukada, Shuichi Kubo, Kazunori Kamada, Hideo Fujisawa, Tatsuhiro Ohata +2 more | 2020-08-04 |
| 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, Kenji Fujito | 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, Kenji Fujito +3 more | 2019-11-12 |
| 10309038 | Crystal of nitride of group-13 metal on periodic table, and method for producing the same | Yutaka Mikawa, Hideo Namita, Kazunori Kamada, Hideo Fujisawa, Atsuhiko Kojima | 2019-06-04 |
| 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, Kenji Fujito | 2018-07-17 |
| 9890474 | Crystal of nitride of group-13 metal on periodic table, and method for producing the same | Yutaka Mikawa, Hideo Namita, Kazunori Kamada, Hideo Fujisawa, Atsuhiko Kojima | 2018-02-13 |
| 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, Kenji Fujito | 2017-12-12 |
| 9673046 | Gallium nitride substrate and manufacturing method of nitride semiconductor crystal | Yusuke Tsukada, Shuichi Kubo, Kazunori Kamada, Hideo Fujisawa, Tatsuhiro Ohata +2 more | 2017-06-06 |