Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6144494 | Virtually imaged phased array (VIPA) having spacer element and optical length adjusting element | Simon Cao | 2000-11-07 |
| 6028706 | Virtually imaged phased array (VIPA) having a varying reflectivity surface to improve beam profile | Simon Cao | 2000-02-22 |
| 5999320 | Virtually imaged phased array as a wavelength demultiplexer | — | 1999-12-07 |
| 5982488 | Compensator which experiences thermal expansion to compensate for changes in optical distance through a transparent material | — | 1999-11-09 |
| 5982539 | Optical device | — | 1999-11-09 |
| 5973838 | Apparatus which includes a virtually imaged phased array (VIPA) in combination with a wavelength splitter to demultiplex wavelength division multiplexed (WDM) light | — | 1999-10-26 |
| 5969866 | Virtually imaged phased array (VIPA) having air between reflecting surfaces | — | 1999-10-19 |
| 5969865 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | — | 1999-10-19 |
| 5930045 | Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion | — | 1999-07-27 |
| 5909522 | Chirped waveguide grating router with focal length adjustment | Christopher Doerr | 1999-06-01 |
| 5838849 | Optical component wherein either an optical field distribution of received light or an optical field distribution of a propagation mode of a receiving waveguide has a double-hump shape | — | 1998-11-17 |
| 5812304 | Faraday rotator which generates a uniform magnetic field in a magnetic optical element | Nobuhiro Fukushima | 1998-09-22 |
| 5701376 | Polarized-wave-dispersion- preventive optical fiber and its manufacturing method | — | 1997-12-23 |
| 5677767 | Fiber ring interferometer using a Kerr medium optical fiber loop | Hermann A. Haus | 1997-10-14 |
| 5592500 | Laser device | — | 1997-01-07 |
| 5535000 | Optical interferometer with squeezed vacuum and reduced guided-acoustic-wave brillouin scattering noise | — | 1996-07-09 |
| 5379144 | Optical transmitter | — | 1995-01-03 |
| 5281804 | Mirror apparatus for increasing light absorption efficiency of an optical detector | — | 1994-01-25 |
| 5276701 | Ring laser employing unidirectional attenuator | — | 1994-01-04 |
| 5274495 | Optical amplifier | — | 1993-12-28 |
| 5080486 | Spectrum measuring equipment utilizing double-image polarizing element | Hirochika Nakajima, Yukimitsu Watanabe, Rinichiro Yamamoto | 1992-01-14 |
| 5073331 | Modulation method for use in a semiconductor laser and an apparatus therefor | — | 1991-12-17 |
| 4806442 | Spatial phase modulating masks and production processes thereof, and processes for the formation of phase-shifted diffraction gratings | Hirochika Nakajima | 1989-02-21 |
| 4747655 | Optical wavelength compounding/dividing device | — | 1988-05-31 |
| 4712880 | Polarization rotation compensator and optical isolator using the same | — | 1987-12-15 |