OPNEXT JAPAN, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01S DEVICES USING STIMULATED EMISSION1379
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 11351
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 9196
 
  
 
H04B TRANSMISSION 4206
 
  
 
G01C MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY 1104
 
  
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1132
 
  
 
G08G TRAFFIC CONTROL SYSTEMS 166
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 1127
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 148

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE41336 Fabrication method for algainnpassb based devicesJan 02, 03May 18, 10[H01L]
6961131 Film thickness measuring method of member to be processed using emission spectroscopy and processing method of the member using the measuring methodAug 16, 04Nov 01, 05[H01L]
6873905 Communications type navigation deviceMar 19, 02Mar 29, 05[H04B, G08G, G01C]
6559995 Optical transmission method and optical transmitter with temperature compensation functionMar 20, 02May 06, 03[H04B]
6332720 Semiconductor laser coupling device and method for assembling the same on circuit boardSep 16, 99Dec 25, 01[G02B]
6195370 Optical transmission device and method for driving laser diodeJan 18, 00Feb 27, 01[H01S]
6195371 Optical transmission device and method for driving laser diodeFeb 15, 00Feb 27, 01[H01S]
5937274 Fabrication method for AlGaIn NPAsSb based devicesDec 18, 97Aug 10, 99[H01L]
5870418 Driving circuit of laser diode and optical transmission deviceJul 01, 97Feb 09, 99[H01S]
5852304 Optical communication systemJul 16, 96Dec 22, 98[H01L, H01S]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0317,086 OPTICAL TRANSCEIVER MODULE AND METHOD OF CONTROLLING OPTICAL TRANSCEIVER MODULEAbandonedApr 25, 08Dec 24, 09[H04B]
2009/0206,360 NITRIDE SEMICONDUCTOR LIGHT EMITTING DEVICE AND METHOD OF MANUFACTURING THE SAMEAbandonedAug 19, 08Aug 20, 09[H01L, H01S]
2008/0298,412 SEMICONDUCTOR LASER DEVICE AND MANUFACTURING METHOD THEREOFAbandonedNov 28, 07Dec 04, 08[H01L, H01S]
2008/0138,089 OPTICAL TRANSMITTERAbandonedNov 29, 07Jun 12, 08[H04B]
7386598 Computer system with virtualization functionExpiredAug 14, 02Jun 10, 08[]
2008/0036,044 SEMICONDUCTOR OPTICAL DEVICE AND MANUFACTURING METHOD THEREFORAbandonedAug 01, 07Feb 14, 08[H01L]
2008/0013,582 Semiconductor laser device and method of manufacturing the sameAbandonedFeb 20, 07Jan 17, 08[H01L, H01S]
2008/0008,429 Receptacle type optical apparatusAbandonedJan 30, 07Jan 10, 08[G02B]
7302550 Stack of variable length operands and method for useExpiredJul 17, 00Nov 27, 07[G06F]
2007/0249,109 Optical device and optical moduleAbandonedApr 20, 07Oct 25, 07[H01L]
2007/0126,119 Semiconductor element, production process thereof, semiconductor laser and production process thereofAbandonedJun 19, 06Jun 07, 07[H01L]
2006/0274,802 Semiconductor optical device and module using the sameAbandonedAug 15, 05Dec 07, 06[H01S]
2006/0270,275 Pluggable module and cageAbandonedMay 16, 06Nov 30, 06[H01R]
2006/0222,032 Optical semiconductor element, method of manufacturing optical semiconductor element and optical moduleAbandonedAug 31, 05Oct 05, 06[H01S]
2006/0082,422 Connection structure of high frequency lines and optical transmission module using the connection structureAbandonedOct 03, 05Apr 20, 06[H03H]
2006/0006,403 Optical moduleAbandonedMay 24, 05Jan 12, 06[H01L]
6983000 Laser diode moduleExpiredJul 15, 03Jan 03, 06[G01J, H01S]
2005/0286,578 Optical transmitter and method for transmitting optical signalAbandonedJun 15, 05Dec 29, 05[H01S]
6979810 Optical modules and methods of making the optical modulesExpiredAug 15, 01Dec 27, 05[H01J, H04B, H03D]
2005/0176,310 Connection structure of rigid printed circuit board and flexible circuit, the connection process and the circuit module using itAbandonedJan 04, 05Aug 11, 05[H01R]

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