Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11629827 | Illumination device and light-emitting module | Atsuhiro Hori, Kenji Nakashima, Hidemi Takeishi, Masanori Michimori, Shigeo Hayashi | 2023-04-18 |
| 8981340 | Nitride semiconductor device and production method thereof | Toshitaka Shimamoto, Akihiko Ishibashi, Isao Kidoguchi, Toshiya Yokogawa | 2015-03-17 |
| 8231726 | Semiconductor light emitting element, group III nitride semiconductor substrate and method for manufacturing such group III nitride semiconductor substrate | Hisashi Minemoto, Yasuo Kitaoka, Yasuhito Takahashi, Yoshiaki Hasegawa | 2012-07-31 |
| 8198637 | Nitride semiconductor laser and method for fabricating the same | Gaku Sugahara, Akihiko Ishibashi, Isao Kidoguchi, Toshiya Yokogawa | 2012-06-12 |
| 7846820 | Nitride semiconductor device and process for producing the same | Akihiko Ishibashi, Toshiya Yokogawa, Toshitaka Shimamoto, Yoshiaki Hasegawa, Isao Kidoguchi | 2010-12-07 |
| 7704860 | Nitride-based semiconductor device and method for fabricating the same | Toshitaka Shimamoto, Yoshiaki Hasegawa, Akihiko Ishibashi, Isao Kidoguchi, Toshiya Yokogawa | 2010-04-27 |
| 7338827 | Nitride semiconductor laser and method for fabricating the same | Gaku Sugahara, Akihiko Ishibashi, Isao Kidoguchi, Toshiya Yokogawa | 2008-03-04 |
| 7005680 | Semiconductor light-emitting device including a divided electrode having a plurality of spaced apart conductive members | Nobuyuki Otsuka, Yoshiaki Hasegawa, Gaku Sugahara | 2006-02-28 |
| 6927149 | Nitride semiconductor device and fabrication method thereof, and method for forming nitride semiconductor substrate | Gaku Sugahara, Akihiko Ishibashi, Toshiya Yokogawa, Atsushi Matsubara | 2005-08-09 |
| 6858877 | Nitride semiconductor, method for manufacturing the same and nitride semiconductor device | Akihiko Ishibashi, Ayumu Tsujimura, Nobuyuki Otsuka | 2005-02-22 |
| 6777253 | Method for fabricating semiconductor, method for fabricating semiconductor substrate, and semiconductor light emitting device | Akihiko Ishibashi, Ayumu Tsujimura, Nobuyuki Otsuka, Kiyoshi Ohnaka | 2004-08-17 |
| 6764871 | Method for fabricating a nitride semiconductor device | Akihiko Ishibashi, Ayumu Tsujimura | 2004-07-20 |
| 6653662 | Semiconductor light-emitting device, method for fabricating the same, and method for driving the same | Nobuyuki Otsuka, Yoshiaki Hasegawa, Gaku Sugahara | 2003-11-25 |
| 4583056 | Apparatus having printed circuit pattern for suppressing radio interference | Masaaki Takeda | 1986-04-15 |