Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12107129 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda, Kenji Fujito +3 more | 2024-10-01 |
| 11664428 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda, Kenji Fujito +3 more | 2023-05-30 |
| 11038024 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda, Kenji Fujito +3 more | 2021-06-15 |
| 11031475 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda, Kenji Fujito +3 more | 2021-06-08 |
| 10655244 | GaN substrate, method for producing GaN substrate, method for producing GaN crystal, and method for manufacturing semiconductor device | Yusuke Tsukada, Kazunori Kamada, Masayuki Tashiro, Kenji Fujito, Hideo Fujisawa +3 more | 2020-05-19 |
| 10570530 | Periodic table group 13 metal nitride crystals and method for manufacturing periodic table group 13 metal nitride crystals | Yuuki ENATSU, Shuichi Kubo, Hirotaka Ikeda, Kenji Fujito | 2020-02-25 |
| 10475887 | Self-standing GaN substrate, GaN crystal, method for producing GaN single crystal, and method for producing semiconductor device | Yusuke Tsukada, Kazunori Kamada, Shuichi Kubo, Hirotaka Ikeda, Kenji Fujito +3 more | 2019-11-12 |
| 10066319 | GaN substrate, method for producing GaN substrate, method for producing GaN crystal, and method for manufacturing semiconductor device | Yusuke Tsukada, Kazunori Kamada, Masayuki Tashiro, Kenji Fujito, Hideo Fujisawa +3 more | 2018-09-04 |
| 10023976 | Periodic table group 13 metal nitride crystals and method for manufacturing periodic table group 13 metal nitride crystals | Yuuki ENATSU, Shuichi Kubo, Hirotaka Ikeda, Kenji Fujito | 2018-07-17 |
| 9840791 | Periodic table group 13 metal nitride crystals and method for manufacturing periodic table group 13 metal nitride crystals | Yuuki ENATSU, Shuichi Kubo, Hirotaka Ikeda, Kenji Fujito | 2017-12-12 |
| 9506892 | Field-effect transistor, single-electron transistor and sensor using the same | Kazuhiko Matsumoto, Atsuhiko Kojima, Masanori Katou, Yutaka Yamada, Kazuhiro Nagaike +2 more | 2016-11-29 |
| 9502241 | Group III nitride crystal production method and group III nitride crystal | Hajime Matsumoto, Kunitada Suzaki, Kenji Fujito | 2016-11-22 |
| 8772099 | Method of use of a field-effect transistor, single-electron transistor and sensor | Kazuhiko Matsumoto, Atsuhiko Kojima, Masanori Katou, Yutaka Yamada, Kazuhiro Nagaike +2 more | 2014-07-08 |
| 8766326 | Field-effect transistor, single-electron transistor and sensor | Kazuhiko Matsumoto, Atsuhiko Kojima, Masanori Katou, Yutaka Yamada, Kazuhiro Nagaike +2 more | 2014-07-01 |
| 8502277 | Field-effect transistor, single-electron transistor and sensor using the same | Kazuhiko Matsumoto, Atsuhiko Kojima, Masanori Katou, Yutaka Yamada, Kazuhiro Nagaike +2 more | 2013-08-06 |
| 8008650 | Transistor with nanotube structure exhibiting N-type semiconductor-like characteristics | Kazuhiko Matsumoto, Atsuhiko Kojima | 2011-08-30 |
| 7902089 | N-type transistor, production methods for n-type transistor and n-type transistor-use channel, and production method of nanotube structure exhibiting n-type semiconductor-like characteristics | Kazuhiko Matsumoto, Atsuhiko Kojima | 2011-03-08 |
| 7164157 | Light emitting device and light emitting device module | Horie Hideyoshi, Yoshitaka Yamamoto, Toshinari Fujimori | 2007-01-16 |
| 7102174 | Light emitting device and light emitting device module | Horie Hideyoshi, Yoshitaka Yamamoto, Toshinari Fujimori | 2006-09-05 |
| 6744066 | Semiconductor device and method for manufacturing the same | Kenji Shimoyama, Kazumasa Kiyomi, Hideki Gotoh | 2004-06-01 |
| 6639926 | Semiconductor light-emitting device | Kenji Shimoyama, Katsushi Fujii, Hideki Goto | 2003-10-28 |
| 6589807 | Semiconductor device and method for manufacturing the same | Kenji Shimoyama, Kazumasa Kiyomi, Hideki Gotoh | 2003-07-08 |
| 6265733 | Semiconductor device and method for manufacturing the same | Kenji Shimoyama, Kazumasa Kiyomi, Hideki Gotoh | 2001-07-24 |
| 6172998 | Semiconductor laser diode | Hideyoshi Horie, Toshinari Fujimori, Hideki Goto | 2001-01-09 |
| 6023483 | Semiconductor light-emitting device | Kenji Shimoyama, Katsushi Fujii, Hideki Goto | 2000-02-08 |