Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11718927 | Group III nitride crystal substrate having a diameter of 4 inches or more and a curved c-plane with a radius of curvature of 15 m or more | Takehiro Yoshida, Masatomo Shibata, Seiji Sarayama, Takashi Sato, Akishige Murakami | 2023-08-08 |
| 10538858 | Method for manufacturing group 13 nitride crystal and group 13 nitride crystal | Masahiro Hayashi, Takashi Satoh, Junichi Wada, Seiji Sarayama | 2020-01-21 |
| 10100426 | Method for producing gallium nitride crystal | Takashi Satoh, Seiji Sarayama, Masahiro Hayashi, Chiharu Kimura, Junichi Wada | 2018-10-16 |
| 9863058 | Gallium nitride crystal, group 13 nitride crystal, group 13 nitride crystal substrate, and manufacturing method | Masahiro Hayashi, Seiji Sarayama, Takashi Satoh, Hiroshi Nambu, Chiharu Kimura | 2018-01-09 |
| 9732435 | Group 13 nitride crystal and group 13 nitride crystal substrate | Masahiro Hayashi, Seiji Sarayama, Takashi Satoh, Hiroshi Nambu, Chiharu Kimura | 2017-08-15 |
| 9404196 | Manufacturing method of group 13 nitride crystal | Masahiro Hayashi, Seiji Sarayama, Takashi Satoh, Hiroshi Nambu, Chiharu Kimura | 2016-08-02 |
| 9123863 | Group 13 nitride crystal and substrate thereof | Masahiro Hayashi, Seiji Sarayama, Takashi Satoh, Hiroshi Nambu, Chiharu Kimura | 2015-09-01 |
| 8568532 | Method for growing single crystal of group III metal nitride and reaction vessel for use in same | Makoto Iwai, Shuhei Higashihara, Yusuke Mori, Yasuo Kitaoka | 2013-10-29 |