Issued Patents All Time
Showing 76–90 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6263126 | Fiber optic dense wavelength division multiplexer utilizing a multi-stage parallel cascade method of wavelength separation | — | 2001-07-17 |
| 6263129 | High-isolation dense wavelength division multiplexer utilizing a polarization beam splitter, non-linear interferometers and birefringent plates | — | 2001-07-17 |
| 6236506 | Reflection-type optical circulation utilizing a lens and birefringent plates | — | 2001-05-22 |
| 6226115 | Optical circulator or switch having a birefringent wedge positioned between faraday rotators | Masataka Shirasaki | 2001-05-01 |
| 6215926 | Fiber optic dense wavelength division multiplexer with a phase differential method of wavelengths separation utilizing glass blocks and a nonlinear interferometer | — | 2001-04-10 |
| 6205270 | Dense wavelength division multiplexer which includes a dense optical channel comb filter | — | 2001-03-20 |
| 6185040 | Virtually imaged phased array (VIPA) having spacer element and optical length adjusting element | Masataka Shirasaki | 2001-02-06 |
| 6169828 | Fiber optic dense wavelength division multiplexer with a phase differential method of wavelength separation utilizing a polarization beam splitter and a nonlinear interferometer | — | 2001-01-02 |
| 6169604 | Nonlinear interferometer for fiber optic dense wavelength division multiplexer utilizing a phase bias element to separate wavelengths in an optical signal | — | 2001-01-02 |
| 6169616 | Optical and programmable fiber optic wavelength add/drop system | — | 2001-01-02 |
| 6169630 | Virtually imaged phased array (VIPA) having lenses arranged to provide a wide beam width | Masataka Shirasaki | 2001-01-02 |
| 6144494 | Virtually imaged phased array (VIPA) having spacer element and optical length adjusting element | Masataka Shirasaki | 2000-11-07 |
| 6130971 | Fiber optic dense wavelength division multiplexer with a phase differential method of wavelength separation utilizing a polarization beam splitter and a nonlinear interferometer | — | 2000-10-10 |
| 6028706 | Virtually imaged phased array (VIPA) having a varying reflectivity surface to improve beam profile | Masataka Shirasaki | 2000-02-22 |
| 5748350 | Dense wavelength division multiplexer and demultiplexer devices | Jing-Jong Pan, Yuan Shi, Donna S. Yu | 1998-05-05 |