| Patents for B82Y 20 - Nano-optics, e.g. quantum optics or photonic crystals (1,668) |
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| 02/15/2005 | US6856005 Semiconductor device having a nitride-based hetero-structure and method of manufacturing the same |
| 02/10/2005 | US20050029506 Semiconductor device having superlattice semiconductor layer and method of manufacturing the same |
| 02/09/2005 | EP1505698A2 Semiconductor device having superlattice semiconductor layer and method of manufacturing the same |
| 02/08/2005 | US6853013 Light-emitting element and method of producing the same |
| 01/20/2005 | US20050012182 Alloy type semiconductor nanocrystals and method for preparing the same |
| 01/13/2005 | US20050007657 Semiconductor laser device and optical fiber amplifier |
| 01/11/2005 | US6841410 Method for forming group-III nitride semiconductor layer and group-III nitride semiconductor device |
| 01/05/2005 | EP1493017A1 Semiconductor diode laser spectrometer arrangement and method |
| 12/09/2004 | US20040246408 Solid-state self-emission display and its production method |
| 11/16/2004 | US6819688 Semiconductor laser device and optical fiber amplifier |
| 11/02/2004 | US6813299 Semiconductor laser device and optical disk reproducing and recording apparatus |
| 10/28/2004 | US20040212290 Oxide composite particle and method for its production, phosphor and method for its production, color filter and method for its manufacture, and color display |
| 10/21/2004 | US20040208214 Semiconductor optical device and method for manufacturing the same |
| 10/21/2004 | US20040207896 Optical transmitter, optical receiver, and manufacturing method of optical device |
| 10/12/2004 | US6803597 Semiconductor light-emitting device using graded multi quantum barrier |
| 09/29/2004 | CN1169268C Method of manufacturing optical semiconductor device |
| 08/31/2004 | US6785312 Semiconductor laser and system for and method of performing digital optical communications using such semiconductor laser |
| 08/25/2004 | EP1450585A1 SOLID−STATE SELF−EMISSION DISPLAY AND ITS PRODUCTION METHOD |
| 08/12/2004 | US20040155250 Nitride compound semiconductor element |
| 08/10/2004 | US6774389 Optical semiconductor device |
| 08/05/2004 | WO2004065296A1 Semiconductor ultrafine particles, fluorescent material, and light-emitting device |
| 07/28/2004 | EP1441426A1 Method for fabricating semiconductor light emitting element, semiconductor light emitting element, method for fabricating semiconductor element, semiconductor element, method for fabricating element and element |
| 07/22/2004 | US20040140477 Reliability |
| 07/08/2004 | US20040129891 Illuminant, and, electron beam detector, scanning electron microscope and mass spectroscope each including the same |
| 07/06/2004 | US6759139 Nitride-based semiconductor element and method of forming nitride-based semiconductor |
| 06/29/2004 | US6757499 Optical transmitter and optical signal transmitter |
| 06/10/2004 | US20040108500 Semiconductor device having a nitride-based hetero-structure and method of manufacturing the same |
| 06/09/2004 | CN1502555A Method for forming pattern film of surface modified carbon nano tube |
| 06/03/2004 | WO2004047245A1 Semiconductor light-emitting device and method for manufacturing same |
| 06/03/2004 | US20040105481 Light-emitting apparatus, phosphor, and method of producing it |
| 06/01/2004 | US6744064 Nitride semiconductor light emitting device |
| 05/27/2004 | US20040101634 Method of forming a patterned film of surface-modified carbon nanotubes |
| 05/27/2004 | US20040101313 Optical repeater |
| 05/26/2004 | EP1422844A1 Optical repeater |
| 05/26/2004 | EP1422563A1 Method of forming a patterned film of surface-modified carbon nanotubes |
| 05/19/2004 | CN1497813A Semiconductor luminous device and its manufacturing method |
| 05/19/2004 | CN1497743A Device with nitrides system heterogenous structure and its manufacturing method |
| 05/19/2004 | CN1497657A Luminous body and electronic beam detector, scanning type electron microscope, quality analysis device containing it |
| 03/31/2004 | EP1403910A2 Semiconductor device having a nitride-based hetero-structure and method of manufacturing the same |
| 03/25/2004 | US20040056259 Electrical and electronic apparatus comoprising multilayer nitrides of gallium, indium and aluminum, used as lasers, light emitting diodes or quantum wells having durability |
| 03/25/2004 | CA2441877A1 Semiconductor device having a nitride-based hetero-structure and method of manufacturing the same |
| 03/04/2004 | US20040041508 Electrode and device using the same |
| 03/04/2004 | US20040041145 Semiconductor optical device with quantum dots |
| 02/17/2004 | US6692837 Forming a ruthenium doped semi-insulating semiconductor layer on a iron doped semi-insulating indium-phosphorus substrate |
| 01/15/2004 | CA2741397A1 Nanostructures and methods for manufacturing the same |
| 01/13/2004 | US6677618 Compound semiconductor light emitting device |
| 12/31/2003 | WO2004000971A1 Semiconductor superfine particle phosphor and light emitting device |
| 12/30/2003 | US6670203 Method for manufacturing semiconductor laser having recombination layer stripes in current blocking structure |
| 12/23/2003 | US6667529 Semiconductor device |
| 11/06/2003 | US20030205706 Technology for increasing bandwidth of semiconductor optical amplifiers/superluminescent diodes using non-identical multiple quantum wells |
| 10/30/2003 | US20030203598 Method for manufacturing optoelectronic material |
| 10/28/2003 | US6639254 Epitaxial layer capable of exceeding critical thickness |
| 10/23/2003 | US20030197188 Semiconductor light-emitting device using graded multi quantum barrier |
| 10/07/2003 | US6631149 Laser diode using group III nitride group compound semiconductor |
| 09/23/2003 | US6625337 Wavelength-division multiplex optical signal processor and a method of regenerating a wavelength-division multiplexed optical signal |
| 09/17/2003 | CN1442935A Semi conductor laser device and optical disk regenerating and recording apparatus |
| 08/28/2003 | WO2003071349A1 Signal light noise reduction apparatus and signal light noise reduction method |
| 08/28/2003 | US20030162393 Method of manufacturing a multi-layer semiconductor nanoparticle, and a multi-layer semiconductor nanoparticle manufactured by the method |
| 08/28/2003 | US20030160260 Light-emitting element and method of producing the same |
| 08/14/2003 | WO2003067690A1 Carbon black for electrode of cell or electric double-layer capacitor |
| 08/07/2003 | WO2003065092A1 Thin film for optical applications, light-emitting structure using the same and the fabrication method thereof |
| 08/06/2003 | EP1333064A2 Method of manufacturing a multi-layer semiconductor nanoparticle, and a multi-layer semiconductor nanoparticle manufactured by the method |
| 07/24/2003 | US20030138001 Semiconductor laser device and optical disk reproducing and recording apparatus |
| 07/17/2003 | US20030132431 Including an active layer of a quantum well structure having a plurality of quantum well layers and barrier layers in which each of the quantum well layers is doped with a p-type impurity |
| 07/10/2003 | US20030129779 Optical semiconductor device and method for fabricating the same |
| 07/08/2003 | US6590701 Optical signal processing method and apparatus |
| 06/25/2003 | EP1320782A1 Electrochromic device based on nanocrystalline materials |
| 06/11/2003 | EP1318580A2 Semiconductor laser device and optical fiber amplifier |
| 06/05/2003 | US20030103544 Semiconductor laser device and optical fiber amplifier |
| 06/04/2003 | EP1317037A2 Optical amplifier |
| 06/04/2003 | CN1422028A 光放大器 Optical amplifiers |
| 04/29/2003 | US6555845 Method for manufacturing group III-V compound semiconductors |
| 04/17/2003 | WO2003032690A1 Solid-state self-emission display and its production method |
| 04/02/2003 | EP1298827A2 Optical signal processing system |
| 03/27/2003 | US20030058500 Optical signal processing system |
| 03/19/2003 | CN1404192A Method for forming third main group nitride semiconductor layer and semiconductor device |
| 03/06/2003 | US20030042496 Forming nitrides; etching |
| 02/25/2003 | US6525337 Light and/or electron element |
| 01/29/2003 | EP1279705A1 Oxide composite particle and method for its production, phosphor and method for its production, color filter and method for its manufacture, and color display |
| 01/09/2003 | US20030006409 Nitride compound semiconductor element |
| 12/11/2002 | EP1264354A2 Semiconductor nanocrystalline materials and their uses |
| 11/21/2002 | US20020171920 Optical signal processing method and apparatus |
| 11/14/2002 | US20020168856 Forming a ruthenium doped semi-insulating semiconductor layer on a iron doped semi-insulating indium-phosphorus substrate |
| 11/13/2002 | EP1256988A2 Semi-insulating substrate, semiconductor optical device and fabrication method of semiconductor thin film |
| 11/07/2002 | US20020163002 Semiconductor device |
| 10/31/2002 | US20020158256 Optoelectronic material and device application, and method for manufacturing optoelectronic material |
| 10/24/2002 | DE10209586A1 Increasing bandwidth of optical semiconducting amplifier/superluminescence diode involves combining multiple quantum traps with different trap widths and/or of different materials |
| 10/23/2002 | EP1251383A2 Near-field light-generating element, near-field optical recording device, and near-field optical microscope |
| 09/12/2002 | US20020127856 Nitride-based semiconductor element and method of forming nitride-based semiconductor |
| 08/15/2002 | US20020110945 Optical semiconductor device having an epitaxial layer of iii-v compound semiconductor material containing n as a group v element |
| 07/11/2002 | WO2002054549A1 Semiconductor luminous element and method for manufacture thereof, and semiconductor device and method for manufacture thereof |
| 06/20/2002 | US20020075927 Semiconductor laser and method for manufacturing the same |
| 06/06/2002 | US20020066403 Growing areas using a mask patterned on a substrate surface and growing a nitride in the growing areas, while forming facet structures |
| 06/04/2002 | US6400864 Broad band semiconductor optical amplifier module having optical amplifiers for amplifying demutiplexed signals of different wavelengths and optical communication system using it |
| 04/18/2002 | US20020043209 Method of fabricating compound semiconductor device |
| 04/17/2002 | EP1198043A2 Method of fabricating a III-V compound semiconductor device with an Aluminium-compound layer |
| 04/06/2002 | CA2358006A1 Method of fabricating compound semiconductor device |
| 02/28/2002 | US20020024983 Semiconductor laser and system for and method of performing digital optical communications using such semiconductor laser |
| 02/26/2002 | US6351479 Semiconductor laser having effective output increasing function |
| 02/19/2002 | US6348096 Method for manufacturing group III-V compound semiconductors |