Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11932936 | Method for producing a group III compound crystal by hydride vapor phase epitaxy on a seed substrate formed on a group III nitride base substrate | Yoshihiro Kubota | 2024-03-19 |
| 11479876 | Method for producing GaN laminate substrate having front surface which is Ga polarity surface | Yoshihiro Kubota | 2022-10-25 |
| 11001036 | Sapphire composite base material and method for producing the same | Yoshihiro Kubota | 2021-05-11 |
| 10756254 | Composite substrate and method of manufacturing composite substrate | Masayuki Tanno, Shoji Akiyama, Koji Kato | 2020-08-25 |
| 10103021 | Thermally oxidized heterogeneous composite substrate and method for manufacturing same | Shoji Akiyama, Yuji Tobisaka | 2018-10-16 |
| 9741603 | Method for producing hybrid substrate, and hybrid substrate | Yuji Tobisaka, Shoji Akiyama, Yoshihiro Kubota, Makoto Kawai | 2017-08-22 |
| 9646873 | Method for producing SOS substrates, and SOS substrate | Shigeru Konishi, Yoshihiro Kubota, Makoto Kawai, Shoji Akiyama | 2017-05-09 |
| 9312166 | Method for manufacturing composite wafers | Shoji Akiyama | 2016-04-12 |
| 8937721 | Sensing device | Makoto Fujimaki, Shoji Akiyama | 2015-01-20 |