Issued Patents All Time
Showing 25 most recent of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12119618 | Nitride-based semiconductor light-emitting element and manufacturing method thereof, and manufacturing method of nitride-based semiconductor crystal | Shuichi NAKAZAWA, Shinji Yoshida | 2024-10-15 |
| 11581701 | Nitride semiconductor laser element and illumination light source module | Hideo Kitagawa, Shinji Yoshida | 2023-02-14 |
| 9276379 | Semiconductor light emitting device and method for manufacturing same | Tomoya Satoh, Takeshi Yokoyama, Shouichi Takasuka | 2016-03-01 |
| 8981340 | Nitride semiconductor device and production method thereof | Yasutoshi Kawaguchi, Toshitaka Shimamoto, Akihiko Ishibashi, Toshiya Yokogawa | 2015-03-17 |
| 8198637 | Nitride semiconductor laser and method for fabricating the same | Gaku Sugahara, Yasutoshi Kawaguchi, Akihiko Ishibashi, Toshiya Yokogawa | 2012-06-12 |
| 8018134 | Light source, optical pickup, and electronic apparatus | Yasuo Kitaoka, Hiroyoshi Yajima, Keiji Ito, Akihiko Ishibashi, Yoshiaki Hasegawa +1 more | 2011-09-13 |
| 7860139 | Semiconductor laser device | Toru Takayama, Koichi Hayakawa, Tomoya Satoh, Masatoshi Sasaki | 2010-12-28 |
| 7855823 | Acoustooptic device and optical imaging apparatus using the same | Hisashi Minemoto, Yasuo Kitaoka, Takayuki Negami, Yasuhito Takahashi, Toshimi Nishiyama +1 more | 2010-12-21 |
| 7846820 | Nitride semiconductor device and process for producing the same | Akihiko Ishibashi, Toshiya Yokogawa, Toshitaka Shimamoto, Yoshiaki Hasegawa, Yasutoshi Kawaguchi | 2010-12-07 |
| 7843984 | Semiconductor laser device | Toru Takayama, Hiroki Nagai, Hitoshi Sato, Tomoya Satoh | 2010-11-30 |
| 7839911 | Semiconductor laser device | Tomoya Satoh, Toru Takayama, Koichi Hayakawa | 2010-11-23 |
| 7794539 | Method for producing III group element nitride crystal, production apparatus for use therein, and semiconductor element produced thereby | Hisashi Minemoto, Yasuo Kitaoka, Yusuke Mori, Fumio Kawamura, Takatomo Sasaki +1 more | 2010-09-14 |
| 7754012 | Apparatus for production of crystal of group III element nitride and process for producing crystal of group III element nitride | Hisashi Minemoto, Yasuo Kitaoka, Yusuke Mori, Fumio Kawamura, Takatomo Sasaki +2 more | 2010-07-13 |
| 7729401 | Semiconductor laser device and fabrication method for the same | Toru Takayama, Tomoya Sato | 2010-06-01 |
| 7711023 | Semiconductor laser device and fabrication method therefor | Yasuhiro Fujimoto, Toru Takayama, Satoshi Murasawa, Hisashi Nakayama | 2010-05-04 |
| 7706423 | Dual-wavelength semiconductor laser device and method for fabricating the same | Masahiro Kume, Toru Takayama, Shouichi Takasuka | 2010-04-27 |
| 7704860 | Nitride-based semiconductor device and method for fabricating the same | Toshitaka Shimamoto, Yasutoshi Kawaguchi, Yoshiaki Hasegawa, Akihiko Ishibashi, Toshiya Yokogawa | 2010-04-27 |
| 7704759 | Semiconductor laser device and method for fabricating the same | Toru Takayama, Satoshi Murasawa, Yasuhiro Fujimoto, Hisashi Nakayama | 2010-04-27 |
| 7693202 | Semiconductor laser device and method for fabricating the same | Satoshi Murasawa, Toru Takayama, Hisashi Nakayama, Yasuhiro Fujimoto | 2010-04-06 |
| 7653104 | Semiconductor laser device | Yasuhiro Fujimoto, Tougo Nakatani, Toru Takayama | 2010-01-26 |
| 7613220 | Two-wavelength semiconductor laser device and method for fabricating the same | Toru Takayama, Tomoya Satoh | 2009-11-03 |
| 7564884 | Ridge-stripe semiconductor laser | Keiji Ito, Hiroyoshi Yajima | 2009-07-21 |
| 7561609 | Semiconductor laser device and method of fabricating the same | Yasuhiro Fujimoto, Toru Takayama | 2009-07-14 |
| 7551654 | Coherent light source and optical system | Kiminori Mizuuchi, Kazuhisa Yamamoto, Ken'ichi Kasazumi, Yasuo Kitaoka | 2009-06-23 |
| 7542500 | Semiconductor laser device | Toru Takayama, Tomoya Satoh, Koichi Hayakawa | 2009-06-02 |