Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8401044 | Semiconductor light emitting element, driving method of semiconductor light emitting element, light emitting device, and optical pulse tester using light emitting device | Shintaro MORIMOTO, Hiroshi Mori | 2013-03-19 |
| 7483470 | Semiconductor laser capable of coupling with single mode optical fiber at high coupling efficiency | Atsushi Yamada, Yoshiharu Shimose, Tomoyuki Kikugawa | 2009-01-27 |
| 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 | Yoshiharu Shimose, Atsushi Yamada, Tomoyuki Kikugawa | 2006-01-17 |
| 6697407 | Semiconductor laser attaining high efficiency and high power, and method of manufacturing the same | Katsunori Shinone, Tomoyuki Kikugawa | 2004-02-24 |
| 6351479 | Semiconductor laser having effective output increasing function | Hiroshi Mori, Yasuhiro Kanaya, Tomoyuki Kikugawa, Yoshinori Nakano | 2002-02-26 |
| 6069697 | Optical transmission characteristic measuring apparatus and calibration method using the same | Takao Tanimoto, Hiroaki Endo, Hiroaki Ohtateme, Muneo Ishiwata | 2000-05-30 |
| 5754571 | Tunable wavelength light source apparatus for stabilizing power intensity by using external auto-power control | Hiroaki Endoh, Muneo Ishiwata | 1998-05-19 |
| 5141722 | Deodorizing and sterilizing apparatus | — | 1992-08-25 |
| 4780277 | Method and apparatus for subjecting gases to discharge treatment | Toshio Tanaka, Masato Sumiya, Shinji Hosono | 1988-10-25 |