Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351943 | n-Type GaN crystal, GaN wafer, and GaN crystal, GaN wafer and nitride semiconductor device production method | Kenji Iso, Tatsuya Takahashi, Yuuki ENATSU | 2025-07-08 |
| 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 |
| 11987903 | N-type GaN crystal, GaN wafer, and GaN crystal, GaN wafer and nitride semiconductor device production method | Kenji Iso, Tatsuya Takahashi, Yuuki ENATSU | 2024-05-21 |
| 11810782 | Conductive C-plane GaN substrate | Yutaka Mikawa, Hideo Fujisawa, Hideo Namita, Shinichiro Kawabata | 2023-11-07 |
| 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 |
| 11591715 | GaN single crystal and method for manufacturing GaN single crystal | Hideo Fujisawa, Yutaka Mikawa, Shinichiro Kawabata, Hideo Namita | 2023-02-28 |
| 11404268 | Method for growing GaN crystal and c-plane GaN substrate | Yutaka Mikawa, Hideo Fujisawa, Hideo Namita, Shinichiro Kawabata | 2022-08-02 |
| 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 |
| 11001940 | GaN single crystal and method for manufacturing GaN single crystal | Hideo Fujisawa, Yutaka Mikawa, Shinichiro Kawabata, Hideo Namita | 2021-05-11 |
| 10903072 | Conductive C-plane GaN substrate | Yutaka Mikawa, Hideo Fujisawa, Hideo Namita, Shinichiro Kawabata | 2021-01-26 |
| 10796904 | Conductive C-plane GaN substrate | Yutaka Mikawa, Hideo Fujisawa, Hideo Namita, Shinichiro Kawabata | 2020-10-06 |
| 10720326 | Method for growing GaN crystal and C-plane GaN substrate | Yutaka Mikawa, Hideo Fujisawa, Hideo Namita, Shinichiro Kawabata | 2020-07-21 |
| 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 |
| 10301743 | GaN single crystal and method for manufacturing GaN single crystal | Hideo Fujisawa, Yutaka Mikawa, Shinichiro Kawabata, Hideo Namita | 2019-05-28 |