Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7495263 | Semiconductor light-emitting device and manufacturing method therefor | Takahisa Kurahashi, Hiroshi Nakatsu, Tetsurou Murakami, Shouichi Ohyama | 2009-02-24 |
| 7348195 | Semiconductor light-emitting device and method for fabricating the device | Takahisa Kurahashi, Hiroshi Nakatsu, Tetsurou Murakami | 2008-03-25 |
| 7084433 | Semiconductor laser device capable of maintaining the operation current low and method of manufacturing the same | Atsuo Tsunoda, Hiroshi Hayashi | 2006-08-01 |
| 6924502 | Semiconductor light emitting device for stably obtaining peak wave length of emission spectrum | Takahisa Kurahashi, Hiroshi Nakatsu, Tetsurou Murakami | 2005-08-02 |
| 6881985 | Light emitting diode | Tetsuroh Murakami, Takahisa Kurahashi, Hiroshi Nakatsu | 2005-04-19 |
| 6797986 | Semiconductor light emitting element | Takahisa Kurahashi, Hiroshi Nakatsu, Tetsurou Murakami | 2004-09-28 |
| 6794687 | Semiconductor light-emitting device and method for fabricating the device | Takahisa Kurahashi, Hiroshi Nakatsu, Tetsurou Murakami | 2004-09-21 |
| 6707834 | Semiconductor laser device and process for producing the same | Yasuo Kan | 2004-03-16 |
| 6621106 | Light emitting diode | Tetsuroh Murakami, Takahisa Kurahashi, Hiroshi Nakatsu | 2003-09-16 |
| 6617614 | Semiconductor light-emitting device | Takahisa Kurahashi, Hiroshi Nakatsu, Tetsurou Murakami | 2003-09-09 |
| 6548824 | Semiconductor light emitting device for stably obtaining peak wave length of emission spectrum | Takahisa Kurahashi, Hiroshi Nakatsu, Tetsurou Murakami | 2003-04-15 |
| 6465812 | Semiconductor light emitting device | Hiroshi Nakatsu, Takahisa Kurahashi, Tetsuroh Murakami, Kazuaki Sasaki, Junichi Nakamura | 2002-10-15 |
| 6433364 | Semiconductor light emitting device capable of increasing light emitting efficiency | Hiroshi Nakatsu, Takahisa Kurahashi, Tetsurou Murakami | 2002-08-13 |
| 6384430 | Light emitting diode | Hiroshi Nakatsu, Tetsuroh Murakami, Takahisa Kurahashi | 2002-05-07 |
| 6265732 | Light emitting diode | Hiroshi Nakatsu, Tetsuroh Murakami, Takahisa Kurahashi | 2001-07-24 |
| 5814839 | Semiconductor light-emitting device having a current adjusting layer and a uneven shape light emitting region, and method for producing same | — | 1998-09-29 |
| 5498568 | Method of producing a compound semiconductor crystal layer with a steep heterointerface | Junichi Nakamura, Masanori Watanabe | 1996-03-12 |
| 5491106 | Method for growing a compound semiconductor and a method for producing a semiconductor laser | Akinori Seki, Toshio Hata, Masafumi Kondo, Takahiro Suyama, Sadayoshi Matsui | 1996-02-13 |
| 5271028 | Semiconductor laser device | Masafumi Kondo, Takahiro Suyama, Shinji Kaneiwa, Toshio Hata, Sadayoshi Matsui | 1993-12-14 |
| 5206185 | Semiconductor laser device | Mitsuhiro Matsumoto, Sadayoshi Matsui, Taiji Morimoto | 1993-04-27 |
| 5111470 | Semiconductor laser device and a method of fabricating the same | Akinori Seki, Toshio Hata, Masafumi Kondou, Takahiro Suyama, Sadayoshi Matsui | 1992-05-05 |
| 5054031 | Semiconductor laser device | Mitsuhiro Matsumoto, Sadayoshi Matsui, Taiji Morimoto | 1991-10-01 |
| 5042044 | Semiconductor laser device, a semiconductor wafer | Masaki Kondo, Kazuaki Sasaki, Taiji Morimoto, Mitsuhiro Matsumoto, Sadayoshi Matsui +3 more | 1991-08-20 |
| 4914669 | Semiconductor laser array apparatus | Sadayoshi Matsui, Mototaka Taneya, Mitsuhiro Matsumoto | 1990-04-03 |
| 4903274 | Semiconductor laser array device | Mototaka Taneya, Mitsuhiro Matsumoto, Sadayoshi Matsui | 1990-02-20 |