Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7759148 | Method for manufacturing semiconductor optical device | Kenichi Ono | 2010-07-20 |
| 7682857 | Method for manufacturing semiconductor optical device | Takehiro Nishida, Makoto Takada, Kenichi Ono | 2010-03-23 |
| 7564076 | Semiconductor device and manufacturing method therefor | Kenichi Ono, Masayoshi Takemi, Makoto Takada | 2009-07-21 |
| 7539225 | Semiconductor laser | Kenichi Ono | 2009-05-26 |
| 7394114 | Semiconductor device and manufacturing method therefor | Kenichi Ono, Masayoshi Takemi, Makoto Takada | 2008-07-01 |
| 7289546 | Semiconductor laser having an improved stacked structure | Kimio Shigihara, Kimitaka Shibata, Kazushige Kawasaki | 2007-10-30 |
| 7259406 | Semiconductor optical element | Kenichi Ono, Kimio Shigihara, Kazushige Kawasaki, Kimitaka Shibata, Naoyuki Shimada | 2007-08-21 |
| 7187701 | Ridge waveguide semiconductor laser | Yutaka Mihashi, Tohru Takiguchi, Toshio Tanaka, Tomoko Kadowaki, Nobuyuki Tomita | 2007-03-06 |
| 7075119 | Optical semiconductor device and method of fabricating optical semiconductor device | — | 2006-07-11 |
| 6803597 | Semiconductor light-emitting device using graded multi quantum barrier | Chikara Watatani | 2004-10-12 |
| 6774389 | Optical semiconductor device | — | 2004-08-10 |
| 6768760 | Ridge-waveguide semiconductor laser device | Yutaka Mihashi, Tohru Takiguchi | 2004-07-27 |
| 6674784 | Distributed feedback laser device and method for manufacturing the same | Tohru Takiguchi | 2004-01-06 |
| 6583510 | Semiconductor device with varying thickness gold electrode | Toshio Tanaka, Tohru Takiguchi | 2003-06-24 |