Issued Patents All Time
Showing 51–75 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7858502 | Fabrication method and fabrication apparatus of group III nitride crystal substance | Hitoshi Kasai, Takuji Okahisa, Shunsuke Fujita, Naoki Matsumoto, Hideyuki Ijiri +4 more | 2010-12-28 |
| 7854804 | Nitride crystal, nitride crystal substrate, epilayer-containing nitride crystal substrate, semiconductor device and method of manufacturing the same | Keiji Ishibashi, Tokiko Kaji, Takayuki Nishiura | 2010-12-21 |
| 7851381 | Surface treatment method for nitride crystal, nitride crystal substrate, nitride crystal substrate with epitaxial layer and semiconductor device, and method of manufacturing nitride crystal substrate with epitaxial layer and semiconductor device | Keiji Ishibashi, Takayuki Nishiura, Masato Irikura | 2010-12-14 |
| 7834423 | Method of producing a nitride semiconductor device and nitride semiconductor device | Koji Uematsu, Hideaki Nakahata | 2010-11-16 |
| 7816238 | GaN substrate, substrate with epitaxial layer, semiconductor device, and method of manufacturing GaN substrate | Hideki Osada, Hitoshi Kasai, Keiji Ishibashi, Takashi Kyono, Katsushi Akita +1 more | 2010-10-19 |
| 7811908 | Method of storing GaN substrate, stored substrate, and semiconductor device and method of its manufacture | Hideyuki Ijiri | 2010-10-12 |
| 7794543 | Method of growing GaN crystal, method of producing single crystal GaN substrate, and single crystal GaN substrate | Kensaku Motoki, Ryu Hirota, Takuji Okahisa | 2010-09-14 |
| 7772585 | Nitride semiconductor substrate and method of producing same | Koji Uematsu, Fumitaka Sato, Ryu Hirota, Hideaki Nakahata | 2010-08-10 |
| 7771532 | Nitride semiconductor substrate and method of producing same | Koji Uematsu, Fumitaka Sato, Ryu Hirota, Hideaki Nakahata | 2010-08-10 |
| 7732236 | III nitride semiconductor crystal and manufacturing method thereof, III nitride semiconductor device manufacturing method thereof, and light emitting device | Hideaki Nakahata, Koji Uematsu, Makoto Kiyama, Youichi Nagai, Takao Nakamura | 2010-06-08 |
| 7723142 | Growth method of GaN crystal, and GaN crystal substrate | Naoki Matsumoto, Fumitaka Sato, Takuji Okahisa, Koji Uematsu | 2010-05-25 |
| 7713878 | Method of recovering and reproducing substrates and method of producing semiconductor wafers | — | 2010-05-11 |
| 7662239 | Method of producing group 3 nitride substrate wafers and group 3 nitride substrate wafers | Keiji Ishibashi, Masato Irikura | 2010-02-16 |
| 7655960 | A1xInyGa1-x-yN mixture crystal substrate, method of growing same and method of producing same | Ryu Hirota, Kensaku Motoki, Takuji Okahisa, Kouji Uematsu | 2010-02-02 |
| 7589000 | Fabrication method and fabrication apparatus of group III nitride crystal substance | Hitoshi Kasai, Takuji Okahisa, Shunsuke Fujita, Naoki Matsumoto, Hideyuki Ijiri +4 more | 2009-09-15 |
| 7556687 | Gallium nitride crystal substrate and method of producing same | Fumitaka Sato | 2009-07-07 |
| 7534295 | III nitride single crystal manufacturing method | — | 2009-05-19 |
| 7534310 | Single crystal GaN substrate, method of growing single crystal GaN and method of producing single crystal GaN substrate | Kensaku Motoki, Ryu Hirota, Takuji Okahisa | 2009-05-19 |
| 7528055 | Method of producing a nitride semiconductor device and nitride semiconductor device | Koji Uematsu, Hideaki Nakahata | 2009-05-05 |
| 7485484 | Group III-V crystal | Koji Uematsu, Ryu Hirota | 2009-02-03 |
| 7473315 | AlxInyGa1-x-yN mixture crystal substrate, method of growing AlxInyGa1-x-yN mixture crystal substrate and method of producing AlxInyGa1-x-yN mixture crystal substrate | Ryu Hirota, Kensaku Motoki, Takuji Okahisa, Koji Uematsu | 2009-01-06 |
| 7416604 | Nitride crystal, nitride crystal substrate, epilayer-containing nitride crystal substrate, semiconductor device and method of manufacturing the same | Keiji Ishibashi, Tokiko Kaji, Takayuki Nishiura | 2008-08-26 |
| 7354477 | Method of growing GaN crystal, method of producing single crystal GaN substrate, and single crystal GaN substrate | Kensaku Motoki, Ryu Hirota, Takuji Okahisa | 2008-04-08 |
| 7303630 | Method of growing GaN crystal, method of producing single crystal GaN substrate, and single crystal GaN substrate | Kensaku Motoki, Takuji Okahisa, Ryu Hirota, Koji Uematsu | 2007-12-04 |
| 7297625 | Group III-V crystal and manufacturing method thereof | Koji Uematsu, Ryu Hirota | 2007-11-20 |