Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897418 | Method for manufacturing semiconductor light emitting device | Takafumi Oka, Masatsugu Kusunoki, Shinji Abe, Hitoshi Sakuma | 2011-03-01 |
| 7842962 | Nitride semiconductor device and method of manufacturing the same | Katsuomi Shiozawa, Toshiyuki Oishi, Yuji Abe | 2010-11-30 |
| 7791097 | Nitride semiconductor device and manufacturing method of the same | Kyozo Kanamoto, Katsuomi Shiozawa, Hitoshi Sakuma, Junichi Horie, Toshihiko Shiga +1 more | 2010-09-07 |
| 7751456 | Method for manufacturing semiconductor optical device | Toshiaki Kitano, Takafumi Oka | 2010-07-06 |
| 7714439 | Nitride semiconductor device and method of manufacturing the same | Katsuomi Shiozawa, Hitoshi Sakuma, Toshihiko Shiga, Toshiyuki Oishi | 2010-05-11 |
| 7691655 | Method of manufacturing semiconductor optical device | Kimio Shigihara | 2010-04-06 |
| 7687391 | Electrically optimized and structurally protected via structure for high speed signals | Paul M. Harvey, Gen Yamada | 2010-03-30 |
| 7683398 | Nitride semiconductor device having a silicon-containing connection layer and manufacturing method thereof | Katsuomi Shiozawa, Kyozo Kanamoto, Hitoshi Sakuma, Yuji Abe | 2010-03-23 |
| 7656920 | Semiconductor laser device | Kimio Shigihara, Kenichi Ono | 2010-02-02 |
| 7582908 | Nitride semiconductor device and manufacturing method thereof | Kyozo Kanamoto, Katsuomi Shiozawa, Hitoshi Sakuma, Yoshiyuki Suehiro | 2009-09-01 |
| 7577173 | Semiconductor laser device having a low reflection film of stable reflectance | Yasuyuki Nakagawa, Hiromasu Matsuoka | 2009-08-18 |
| 7456039 | Method for manufacturing semiconductor optical device | Takafumi Oka, Katsuomi Shiozawa | 2008-11-25 |
| 7378351 | Method of manufacturing nitride semiconductor device | Katsuomi Shiozawa, Toshiyuki Oishi, Zempei Kawazu, Yuji Abe | 2008-05-27 |
| 7289546 | Semiconductor laser having an improved stacked structure | Kimio Shigihara, Yoshihiko Hanamaki, Kimitaka Shibata | 2007-10-30 |
| 7259406 | Semiconductor optical element | Yoshihiko Hanamaki, Kenichi Ono, Kimio Shigihara, Kimitaka Shibata, Naoyuki Shimada | 2007-08-21 |
| 7215694 | Semiconductor laser device | Kimio Shigihara | 2007-05-08 |
| 6970633 | Semiconductor optical device | Kimio Shigihara | 2005-11-29 |
| 6946684 | Optical semiconductor device with low reflectance coating | Kimio Shigihara | 2005-09-20 |
| 6919635 | High density microvia substrate with high wireability | Irving Memis | 2005-07-19 |
| 6907057 | Semiconductor optical device and semiconductor laser module using the semiconductor optical device | Kimio Shigihara, Hiromasu Matsuoka | 2005-06-14 |
| 6804282 | Semiconductor laser device | Kimio Shigihara | 2004-10-12 |
| 6697406 | Semiconductor device and photonic semiconductor device applying the semiconductor device | Shin'ichi Yamamura, Yasuaki Yoshida | 2004-02-24 |
| 6606334 | Semiconductor laser | Kimio Shigihara | 2003-08-12 |