Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10763333 | Nitride semiconductor device and method of manufacturing nitride semiconductor device | Tetsuo Narita | 2020-09-01 |
| 10381469 | Semiconductor device and method of manufacturing the same | Yoshinori Tsuchiya, Shinichi Hoshi, Kenji Itoh, Masahito Kodama, Tsutomu Uesugi | 2019-08-13 |
| 9818856 | Semiconductor device with high electron mobility transistor | Shinichi Hoshi, Shoji Mizuno, Tetsu Kachi, Tsutomu Uesugi, Kenji Ito | 2017-11-14 |
| 9728609 | Layered substrate with a miscut angle comprising a silicon single crystal substrate and a group-III nitride single crystal layer | Tetsuo Narita, Kenji Ito, Nobuyuki Otake, Shinichi Hoshi, Masaki Matsui | 2017-08-08 |
| 9536996 | Apparatus and method of manufacturing a support layer | Hirofumi Funabashi, Takashi Ozaki, Isao Aoyagi, Teruhisa Akashi, Yoshiteru Omura +7 more | 2017-01-03 |
| 8420502 | Group III-V semiconductor device and method for producing the same | Masanobu Ando, Shigemi Horiuchi, Yoshinori Kinoshita | 2013-04-16 |
| 7646036 | Electrode and Group III nitride-based compound semiconductor light-emitting device having the electrode | Takahiro Kozawa, Toshiya Uemura, Shigemi Horiuchi | 2010-01-12 |
| 7342364 | Light source | Satoru Kato, Tetsu Kachi, Hiroshi Ito, Masanori Kojima | 2008-03-11 |
| 7163876 | Method for manufacturing group-III nitride compound semiconductor, and group-III nitride compound semiconductor device | Seiji Nagai, Masayoshi Koike | 2007-01-16 |
| 7052979 | Production method for semiconductor crystal and semiconductor luminous element | Seiji Nagai, Shiro Yamazaki, Yuta Tezen, Toshio Hiramatsu | 2006-05-30 |
| 7011707 | Production method for semiconductor substrate and semiconductor element | Seiji Nagai, Yoshihiro Irokawa, Kenji Ito | 2006-03-14 |
| 6964705 | Method for producing semiconductor crystal | Seiji Nagai, Akira Kojima | 2005-11-15 |
| 6844246 | Production method of III nitride compound semiconductor, and III nitride compound semiconductor element based on it | Seiji Nagai, Masahito Kodama | 2005-01-18 |
| 6716655 | Group III nitride compound semiconductor element and method for producing the same | Seiji Nagai, Masayoshi Koike | 2004-04-06 |
| 6649943 | Group III nitride compound semiconductor light-emitting element | Naoki Shibata, Takahiro Kozawa, Tetsu Kachi | 2003-11-18 |
| 5940314 | Ultra-high density memory device | Motofumi Suzuki, Takeshi Ohwaki, Yasunori Taga, Hiroshi Tadano, Testu Kachi +1 more | 1999-08-17 |
| 5889806 | Group III nitride compound semiconductor laser diodes | Seiji Nagai, Shiro Yamasaki, Masayoshi Koike, Tetsu Kachi, Isamu Akasaki +1 more | 1999-03-30 |
| 5604761 | Layered semiconductor laser having solder laminations and method of making same | Akinori Seki, Toyokazu Ohnishi, Jiro Nakano, Takahide Sugiyama, Hiroyuki Kano | 1997-02-18 |
| 5576111 | Magnetic recording medium | Katsumi Onodera, Koji Ito, Manabu Koike, Tamotsu Hatakoshi, Kazuo Nimura | 1996-11-19 |
| 5232750 | Method for fabricating magnetic recording medium | Katsumi Onodera, Koji Ito, Manabu Koike, Tamotsu Hatakoshi, Kazuo Nimura | 1993-08-03 |