Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |