Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7773881 | Optical division multiplexing transmission and reception method and optical division multiplexing transmission and reception device | Naoki Minato | 2010-08-10 |
| 7620324 | Optical division multiplexing transmission and reception method and optical division multiplexing transmission and reception device | Naoki Minato | 2009-11-17 |
| 7034990 | Wavelength conversion element and method for using same | Chang Qing Xu | 2006-04-25 |
| 6069987 | Optical device for an optical network unit and manufacturing method therefor | Hironori Sasaki | 2000-05-30 |
| 5504616 | Wavelength conversion device | Keisuke Shinozaki | 1996-04-02 |
| 5247528 | Second harmonic generator using a laser as a fundamental wave source | Keisuke Shinozaki | 1993-09-21 |
| 5233620 | Second-harmonic generating apparatus | Keisuke Shinozaki, Saeko Oshiba | 1993-08-03 |