Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9132108 | Pharmaceutical composition for ameliorating and/or preventing leptin resistance, and use thereof | Koichiro Ozawa | 2015-09-15 |
| 7212709 | Optical waveguide device and optical waveguide module | — | 2007-05-01 |
| 7194165 | Arrayed waveguide grating and optical communication system using arrayed waveguide grating | — | 2007-03-20 |
| 6928214 | Array waveguide grating, array waveguide grating module, optical communication unit and optical communication system | — | 2005-08-09 |
| 6888985 | Arrayed waveguide grating and optical communication system using arrayed waveguide grating | — | 2005-05-03 |
| 6836594 | Array waveguide grating, array waveguide grating module, optical communication unit and optical communication system | — | 2004-12-28 |
| 6668103 | Optical modulator with monitor having 3-dB directional coupler or 2-input, 2-output multimode interferometric optical waveguide | — | 2003-12-23 |
| 6400490 | Mach-Zehnder optical modulator | — | 2002-06-04 |
| 5991472 | Optical wavelength filter | — | 1999-11-23 |
| 5724179 | Acousto-optic filter | — | 1998-03-03 |
| 5475771 | Polarization splitter haivng an anisotropic optical waveguide | — | 1995-12-12 |