Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11692264 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Yoshiyuki Yamamoto, Yoshiki Nishibayashi, Natsuo Tatsumi | 2023-07-04 |
| 11359275 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Yoshiyuki Yamamoto, Yoshiki Nishibayashi, Natsuo Tatsumi | 2022-06-14 |
| 10822693 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Yoshiyuki Yamamoto, Yoshiki Nishibayashi, Natsuo Tatsumi | 2020-11-03 |
| 10487395 | Method of manufacturing diamond substrate, diamond substrate, and diamond composite substrate | Yoshiyuki Yamamoto, Yoshiki Nishibayashi, Natsuo Tatsumi | 2019-11-26 |
| 9153742 | GaN-crystal free-standing substrate and method for producing the same | Shinsuke Fujiwara, Koji Uematsu, Hitoshi Kasai | 2015-10-06 |
| 9064706 | Composite of III-nitride crystal on laterally stacked substrates | Naho Mizuhara, Koji Uematsu, Michimasa Miyanaga, Keisuke Tanizaki, Hideaki Nakahata +1 more | 2015-06-23 |
| 8872309 | Composite of III-nitride crystal on laterally stacked substrates | Naho Mizuhara, Koji Uematsu, Michimasa Miyanaga, Keisuke Tanizaki, Hideaki Nakahata +1 more | 2014-10-28 |
| 8845992 | III-nitride single-crystal ingot, III-nitride single-crystal substrate, method of manufacturing III-nitride single-crystal ingot, and method of manufacturing III-nitride single-crystal substrate | Seiji Nakahata, Tomoki Uemura | 2014-09-30 |
| 8709923 | Method of manufacturing III-nitride crystal | Naho Mizuhara, Koji Uematsu, Michimasa Miyanaga, Keisuke Tanizaki, Hideaki Nakahata +1 more | 2014-04-29 |
| 8698282 | Group III nitride semiconductor crystal substrate and semiconductor device | Tomohiro Kawase, Tomoki Uemura, Muneyuki Nishioka, Satoshi Arakawa | 2014-04-15 |
| 8574364 | GaN-crystal free-standing substrate and method for producing the same | Shinsuke Fujiwara, Koji Uematsu, Hitoshi Kasai | 2013-11-05 |
| 8421190 | Group III nitride semiconductor substrate and manufacturing method thereof | Hideaki Nakahata, Seiji Nakahata | 2013-04-16 |
| 8404569 | Fabrication method and fabrication apparatus of group III nitride crystal substance | Hitoshi Kasai, Shunsuke Fujita, Naoki Matsumoto, Hideyuki Ijiri, Fumitaka Sato +4 more | 2013-03-26 |
| 8404042 | Group-III nitride crystal composite | Naho Mizuhara, Koji Uematsu, Michimasa Miyanaga, Keisuke Tanizaki, Hideaki Nakahata +1 more | 2013-03-26 |
| 8258051 | Method of manufacturing III-nitride crystal, and semiconductor device utilizing the crystal | Naho Mizuhara, Koji Uematsu, Michimasa Miyanaga, Keisuke Tanizaki, Hideaki Nakahata +1 more | 2012-09-04 |
| 8198177 | AlxInyGal-x-yN mixture crystal substrate, method of growing same and method of producing same | Seiji Nakahata, Ryu Hirota, Kensaku Motoki, Kouji Uematsu | 2012-06-12 |
| 8147612 | Method for manufacturing gallium nitride crystal and gallium nitride wafer | Tomoki Uemura, Takashi Sakurada, Shinsuke Fujiwara, Koji Uematsu, Hideaki Nakahata | 2012-04-03 |
| 8097528 | Manufacturing method of nitride substrate, nitride substrate, and nitride-based semiconductor device | Hideaki Nakahata, Koji Uematsu | 2012-01-17 |
| 8067300 | AlxInyGa1-x-yN mixture crystal substrate, method of growing same and method of producing same | Seiji Nakahata, Ryu Hirota, Kensaku Motoki, Kouji Uematsu | 2011-11-29 |
| 7943964 | AlxGayIn1−x−yN crystal substrate, semiconductor device, and method of manufacturing the same | Shinsuke Fujiwara, Tomoki Uemura, Koji Uematsu, Manabu Okui, Muneyuki Nishioka +1 more | 2011-05-17 |
| 7858502 | Fabrication method and fabrication apparatus of group III nitride crystal substance | Hitoshi Kasai, Shunsuke Fujita, Naoki Matsumoto, Hideyuki Ijiri, Fumitaka Sato +4 more | 2010-12-28 |
| 7794543 | Method of growing GaN crystal, method of producing single crystal GaN substrate, and single crystal GaN substrate | Kensaku Motoki, Ryu Hirota, Seiji Nakahata | 2010-09-14 |
| 7723142 | Growth method of GaN crystal, and GaN crystal substrate | Naoki Matsumoto, Fumitaka Sato, Seiji Nakahata, Koji Uematsu | 2010-05-25 |
| 7691732 | Manufacturing method of nitride substrate, nitride substrate, and nitride-based semiconductor device | Hideaki Nakahata, Koji Uematsu | 2010-04-06 |
| 7655960 | A1xInyGa1-x-yN mixture crystal substrate, method of growing same and method of producing same | Seiji Nakahata, Ryu Hirota, Kensaku Motoki, Kouji Uematsu | 2010-02-02 |