| 7483470 |
Semiconductor laser capable of coupling with single mode optical fiber at high coupling efficiency |
Yasuaki Nagashima, Atsushi Yamada, Yoshiharu Shimose |
2009-01-27 |
| 7065123 |
Distributed feedback semiconductor laser for outputting beam of single wavelength |
Hiroshi Mori, Yoshio Takahashi, Motoaki Fujita |
2006-06-20 |
| 6987285 |
Semiconductor light emitting device in which high-power light output can be obtained with a simple structure including InGaAsP active layer not less than 3.5 microns and InGaAsP and InP cladding |
Yasuaki Nagashima, Yoshiharu Shimose, Atsushi Yamada |
2006-01-17 |
| 6697407 |
Semiconductor laser attaining high efficiency and high power, and method of manufacturing the same |
Yasuaki Nagashima, Katsunori Shinone |
2004-02-24 |
| 6611333 |
Isopotomer absorption spectral analyzer and its method |
Kiyoji Uehara, Naohiro Yoshida |
2003-08-26 |
| 6351479 |
Semiconductor laser having effective output increasing function |
Hiroshi Mori, Yasuhiro Kanaya, Yasuaki Nagashima, Yoshinori Nakano |
2002-02-26 |
| 4758086 |
Apparatus for measuring spectral power of a light beam |
Youji Sonobe, Seiichi Ishigaki |
1988-07-19 |