Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12283487 | Method for manufacturing structure | Fumimasa Horikiri | 2025-04-22 |
| 12112945 | Semiconductor wafer, electronic device, method of performing inspection on semiconductor wafer, and method of manufacturing electronic device | Yasuyuki Kurita, Takayuki Inoue | 2024-10-08 |
| 12054847 | Method and device for manufacturing structure | Fumimasa Horikiri | 2024-08-06 |
| 12002880 | Method for manufacturing nitride-based high electron mobility transistor and nitride-based high electron mobility transistor | Fumimasa Horikiri | 2024-06-04 |
| 11756827 | Structure manufacturing method and manufacturing device, and light irradiation device | Fumimasa Horikiri | 2023-09-12 |
| 11393693 | Structure manufacturing method and intermediate structure | Fumimasa Horikiri | 2022-07-19 |
| 11342191 | Structure manufacturing method, structure manufacturing apparatus and intermediate structure | Fumimasa Horikiri, Taketomo Sato, Masachika Toguchi | 2022-05-24 |
| 11342220 | Structure manufacturing method and manufacturing device, and light irradiation device | Fumimasa Horikiri | 2022-05-24 |
| 11114296 | Semiconductor wafer, electronic device, method of performing inspection on semiconductor wafer, and method of manufacturing electronic device | Yasuyuki Kurita, Takayuki Inoue | 2021-09-07 |
| 9755040 | Semiconductor wafer, method of producing semiconductor wafer and electronic device | Takeshi Aoki, Hiroyuki Sazawa | 2017-09-05 |
| 9379226 | Semiconductor wafer and insulated gate field effect transistor | — | 2016-06-28 |
| 8901656 | Semiconductor wafer, field-effect transistor, method of producing semiconductor wafer, and method of producing field-effect transistor | Takeshi Aoki, Hisashi Yamada, Masahiko Hata, Masafumi Yokoyama, Sanghyeon Kim +3 more | 2014-12-02 |
| 8890213 | Semiconductor wafer, electronic device, a method of producing semiconductor wafer, and method of producing electronic device | Sadanori Yamanaka, Masahiko Hata | 2014-11-18 |
| 8803197 | Semiconductor wafer, insulated gate field effect transistor, and method for producing semiconductor wafer | — | 2014-08-12 |
| 8779471 | Field-effect transistor, semiconductor wafer, method for producing field-effect transistor and method for producing semiconductor wafer | Masahiko Hata, Hisashi Yamada, Shinichi Takagi, Mitsuru Takenaka, Masafumi Yokoyama +5 more | 2014-07-15 |
| 8610450 | Method of measuring electrical characteristics of semiconductor wafer | Masahiko Hata | 2013-12-17 |
| 7923752 | Thin-film crystal wafer having pn junction and method for fabricating the wafer | Hisashi Yamada, Masahiko Hata | 2011-04-12 |
| 7576352 | Method for producing compound semiconductor wafer and compound semiconductor device | Hisashi Yamada | 2009-08-18 |
| 7550786 | Compound semiconductor epitaxial substrate | Hisashi Yamada, Takenori Osada | 2009-06-23 |
| 7304332 | Compound semiconductor epitaxial substrate and method for manufacturing same | Tsuyoshi Nakano | 2007-12-04 |
| 7291873 | High electron mobility epitaxial substrate | Takenori Osada, Takayuki Inoue | 2007-11-06 |
| 7208387 | Method for manufacturing compound semiconductor wafer and compound semiconductor device | Hisashi Yamada | 2007-04-24 |
| 6744078 | Heterojunction structure with a charge compensation layer formed between two group III-V semiconductor layers | Hisashi Yamada | 2004-06-01 |
| 6388323 | Electrode material and electrode for III-V group compound semiconductor | Yasushi Iyechika, Tomoyuki Takada, Yoshinobu Ono | 2002-05-14 |
| 5708301 | Electrode material and electrode for III-V group compound semiconductor | Yasushi Iyechika, Tomoyuki Takada, Yoshinobu Ono | 1998-01-13 |