Issued Patents All Time
Showing 26–50 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9923063 | Group III nitride composite substrate and method for manufacturing the same, laminated group III nitride composite substrate, and group III nitride semiconductor device and method for manufacturing the same | Keiji Ishibashi, Takuya Yanagisawa, Koji Uematsu, Yuki Seki | 2018-03-20 |
| 9917004 | Group III nitride composite substrate and method for manufacturing the same, and method for manufacturing group III nitride semiconductor device | Keiji Ishibashi, Akihiro Hachigo, Yuki Hiromura, Naoki Matsumoto, Seiji Nakahata +6 more | 2018-03-13 |
| 9184228 | Composite base including sintered base and base surface flattening layer, and composite substrate including that composite base and semiconductor crystalline layer | Yuki Seki, Issei Satoh, Koji Uematsu | 2015-11-10 |
| 8962365 | Method of manufacturing GaN-based film and composite substrate used therefor | Issei Satoh, Yuki Seki, Koji Uematsu, Hideki Matsubara, Shinsuke Fujiwara +1 more | 2015-02-24 |
| 8829658 | Method of manufacturing nitride substrate, and nitride substrate | Satoshi Arakawa, Michimasa Miyanaga, Takashi Sakurada, Hideaki Nakahata | 2014-09-09 |
| 8748890 | Method of manufacturing semiconductor wafer, and composite base and composite substrate for use in that method | Yuki Seki, Issei Satoh, Koji Uematsu | 2014-06-10 |
| 8697564 | Method of manufacturing GaN-based film | Shinsuke Fujiwara, Koji Uematsu, Issei Satoh | 2014-04-15 |
| 8697550 | Method of manufacturing GaN-based film | Issei Satoh, Yuki Seki, Koji Uematsu, Hideki Matsubara, Shinsuke Fujiwara +1 more | 2014-04-15 |
| 8653561 | III-nitride semiconductor electronic device, and method of fabricating III-nitride semiconductor electronic device | Shin Hashimoto, Katsushi Akita, Masaaki Kuzuhara, Norimasa Yafune | 2014-02-18 |
| 8613802 | Nitride semiconductor crystal manufacturing apparatus, nitride semiconductor crystal manufacturing method, and nitride semiconductor crystal | Issei Satoh, Michimasa Miyanaga, Hideaki Nakahata | 2013-12-24 |
| 8497185 | Method of manufacturing semiconductor wafer, and composite base and composite substrate for use in that method | Yuki Seki, Issei Satoh, Koji Uematsu | 2013-07-30 |
| 8367577 | Thin film of aluminum nitride and process for producing the thin film of aluminum nitride | Issei Satoh, Naho Mizuhara, Keisuke Tanizaki, Michimasa Miyanaga, Takashi Sakurada +1 more | 2013-02-05 |
| 8363326 | AlxGa(1-x)N single crystal, method of producing AlxGa(1-x)N single crystal, and optical lens | Satoshi Arakawa, Takashi Sakurada, Issei Satoh, Keisuke Tanizaki, Hideaki Nakahata +2 more | 2013-01-29 |
| 8323402 | Method for growing aluminum nitride crystal, process for producing aluminum nitride crystal, and aluminum nitride crystal | Keisuke Tanizaki, Naho Mizuhara, Michimasa Miyanaga, Hideaki Nakahata | 2012-12-04 |
| 8294245 | GaN single-crystal mass and method of its manufacture, and semiconductor device and method of its manufacture | Hideaki Nakahata, Shinsuke Fujiwara, Takashi Sakurada, Seiji Nakahata, Tomoki Uemura | 2012-10-23 |
| 8259386 | Wavelength conversion element and method for manufacturing wavelength conversion element | Issei Satoh, Michimasa Miyanaga, Hideaki Nakahata | 2012-09-04 |
| 8119241 | Method for manufacturing diamond monocrystal having a thin film, and diamond monocrystal having a thin film | Akihiko Ueda, Kiichi Meguro, Yoshiki Nishibayashi, Takahiro Imai | 2012-02-21 |
| 7995267 | Wavelength converter manufacturing method and wavelength converter | Issei Satoh, Michimasa Miyanaga, Hideaki Nakahata | 2011-08-09 |
| 7955434 | Diamond single crystal substrate | Kiichi Meguro, Takahiro Imai | 2011-06-07 |
| 7902734 | Electron emission element and electron emission element fabrication method | Natsuo Tatsumi, Yoshiki Nishibayashi, Takahiro Imai | 2011-03-08 |
| 7898161 | Diamond electron radiation cathode, electron source, electron microscope, and electron beam exposer | Akihiko Ueda, Yoshiki Nishibayashi, Takahiro Imai | 2011-03-01 |
| 7892356 | Diamond composite substrate and process for producing the same | Kiichi Meguro, Takahiro Imai | 2011-02-22 |
| 7863805 | Diamond electron emission cathode, electron emission source, electron microscope, and electron beam exposure device | Akihiko Ueda, Yoshiki Nishibayashi, Takahiro Imai | 2011-01-04 |
| 7821795 | Multilayer wiring board | Yasuhiro Sugaya, Toshiyuki Asahi, Katsumasa Miki, Masaaki Katsumata, Yoshiyuki Saitou +1 more | 2010-10-26 |
| 7807126 | Diamond single crystal substrate | Kiichi Meguro, Takahiro Imai | 2010-10-05 |