Issued Patents All Time
Showing 25 most recent of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416097 | Gallium arsenide single crystal substrate and method of manufacturing same | Yoshihiro Saito, Yutaka HOSHINA, Yojiro Nakayama | 2025-09-16 |
| 11910714 | Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module and optical sensor | Masahiro Adachi, Yoshiyuki Yamamoto, Ryo Toyoshima | 2024-02-20 |
| 11737364 | Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module, and optical sensor | Masahiro Adachi, Kotaro HIROSE, Takashi Matsuura, Yoshiyuki Yamamoto, Tsunehiro Takeuchi +1 more | 2023-08-22 |
| 11611030 | Thermoelectric material element, power generation device, optical sensor, and method for manufacturing thermoelectric material | Masahiro Adachi, Takashi Matsuura, Yoshiyuki Yamamoto, Do-Gyun Byeon, Tsunehiro Takeuchi | 2023-03-21 |
| 11462670 | Thermoelectric conversion material, thermoelectric conversion element and thermoelectric conversion module | Masahiro Adachi, Yoshiyuki Yamamoto, Tsunehiro Takeuchi | 2022-10-04 |
| 11282997 | Thermoelectric conversion material, thermoelectric conversion element and production method of thermoelectric conversion material | Masahiro Adachi, Yoshiyuki Yamamoto | 2022-03-22 |
| 11139422 | Thermoelectric conversion material, thermoelectric conversion element, thermoelectric conversion module and optical sensor | Masahiro Adachi, Yoshiyuki Yamamoto, Ryo Toyoshima | 2021-10-05 |
| 11024705 | Semi-insulating gallium arsenide crystal substrate | Shinya Kawamoto, Yukio Ishikawa, Katsushi Hashio | 2021-06-01 |
| 10837124 | Gallium nitride substrate | Ryu Hirota, Seiji Nakahata | 2020-11-17 |
| 10458043 | Gallium nitride substrate | Ryu Hirota, Seiji Nakahata | 2019-10-29 |
| 10443151 | Gallium nitride substrate | Ryu Hirota, Seiji Nakahata | 2019-10-15 |
| 10006147 | Gallium nitride substrate | Ryu Hirota, Seiji Nakahata | 2018-06-26 |
| 9647058 | Diode | Takashi Matsuura, Mitsuru Shimazu | 2017-05-09 |
| 9312340 | 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, Akihiro Hachigo, Naoki Matsumoto, Fumitake Nakanishi | 2016-04-12 |
| 8981428 | Semiconductor device including GaN-based compound semiconductor stacked layer and method for producing the same | Yu Saitoh, Masaya Okada, Masaki Ueno | 2015-03-17 |
| 8969920 | Vertical GaN-based semiconductor device | Yu Saitoh, Masaya Okada, Masaki Ueno, Seiji Yaegashi, Kazutaka Inoue +1 more | 2015-03-03 |
| 8941174 | Semiconductor device and method for producing the same | Masaya Okada, Yu Saitoh, Seiji Yaegashi, Mitsunori Yokoyama, Kazutaka Inoue | 2015-01-27 |
| 8901698 | Schottky barrier diode and method for manufacturing schottky barrier diode | Taku Horii, Tomihito Miyazaki | 2014-12-02 |
| 8896058 | Semiconductor device and method for producing same | Masaya Okada, Yu Saitoh, Seiji Yaegashi, Mitsunori Yokoyama, Kazutaka Inoue | 2014-11-25 |
| 8890239 | Semiconductor device and method for producing the same | Seiji Yaegashi, Mitsunori Yokoyama, Kazutaka Inoue, Masaya Okada, Yu Saitoh | 2014-11-18 |
| 8884306 | Semiconductor device and method for manufacturing the same | Takashi Kyono, Kuniaki Ishihara, Akihiro Hachigo, Takahisa YOSHIDA, Masaki Ueno | 2014-11-11 |
| 8815716 | Method of producing semiconductor device | Tomihito Miyazaki, Taku Horii | 2014-08-26 |
| 8816398 | Semiconductor device and method for producing the same | Yu Saitoh, Masaya Okada, Seiji Yaegashi, Kazutaka Inoue, Mitsunori Yokoyama | 2014-08-26 |
| 8729562 | Semiconductor device and method for manufacturing same | Masaya Okada | 2014-05-20 |
| 8614446 | Semiconductor device and method of producing same | Tomihito Miyazaki, Taku Horii | 2013-12-24 |