IWASAKI ELECTRIC CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 13115
 
  
 
1403 COMMUNICATIONS EQUIPMENT, WIRELESS REMOTE CONTROLS AND RADIO AMPLIFIERS565
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 4106
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 4116
 
  
 
F21K LIGHT SOURCES NOT OTHERWISE PROVIDED FOR337
 
  
 
G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR 295
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 279
 
  
 
H04Q SELECTING 2108
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2109
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0022,659 LUMINANCE MEASURING APPARATUSFeb 21, 13Jan 22, 15[G01J, G06T]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9879851 Lamp having outwardly orientated light source units and inwardly orientated heat sinks with transversely orientated finsJun 09, 14Jan 30, 18[F21V, F21Y, F21K, F21S]
9625386 Imaging systemSep 10, 14Apr 18, 17[G01N, A61B]
9239151 LampJun 22, 15Jan 19, 16[F21V, F21Y, F21K]
9097391 LampOct 23, 12Aug 04, 15[F21V, F21Y, F21K]
8975870 Charging deviceMar 31, 09Mar 10, 15[H02J]
8822962 Ultraviolet irradiator and ultraviolet irradiating apparatus using the sameFeb 10, 12Sep 02, 14[H01J, B01J]
8810193 Charging apparatus having gas generation detector and charging method for the sameAug 06, 13Aug 19, 14[H02J, H01M]
8795019 Electrode mount, high pressure discharge lamp using the same, and manufacturing methods of electrode mount and high pressure discharge lampJun 28, 11Aug 05, 14[H01J]
8749138 Metal halide lampJan 02, 12Jun 10, 14[H01J]
8736167 Metal halide lampNov 22, 11May 27, 14[H01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0231,176 LIGHT IRRADIATION DEVICE HAVING POLARIZATION MEASURING MECHANISMAbandonedFeb 05, 15Aug 11, 16[F21V, G01J]
2016/0203,970 HALOGEN LAMPAbandonedAug 06, 14Jul 14, 16[H01K]
2016/0084,475 LIGHTING APPARATUSAbandonedAug 22, 13Mar 24, 16[F21V]
2014/0354,175 HIGH WATT TYPE CERAMIC METAL HALIDE LAMP ILLUMINATION DEVICEAbandonedAug 04, 12Dec 04, 14[H05B]
2014/0346,961 HIGH-WATTAGE CERAMIC METAL HALIDE LAMPAbandonedNov 02, 12Nov 27, 14[H01J]
8575837 High pressure discharge lampExpiredJun 23, 11Nov 05, 13[H01J]
8476814 Lamp deviceExpiredDec 03, 08Jul 02, 13[H01J]
2013/0038,843 HIGH PRESSURE DISCHARGE LAMP BALLAST AND A METHOD FOR DRIVING A HIGH PRESSURE DISCHARGE LAMP BALLASTAbandonedAug 11, 11Feb 14, 13[H05B, G03B]
2012/0229,011 HIGH PRESSURE DISCHARGE LAMP ELECTRODE, METHOD FOR MANUFACTURING THE SAME, AND HIGH PRESSURE DISCHARGE LAMPAbandonedNov 10, 10Sep 13, 12[H01J]
2012/0153,819 ELECTRODE, MANUFACTURING METHOD THEREFOR, AND HIGH PRESSURE DISCHARGE LAMPAbandonedSep 01, 10Jun 21, 12[H01J]
8159135 Electrode for high pressure discharge lamp, high pressure discharge lamp, and method for manufacturing electrode for high pressure discharge lamptechnical fieldExpiredJun 09, 09Apr 17, 12[H01J]
2012/0025,731 BALLAST FOR HIGH PRESSURE DISCHARGE LAMPAbandonedApr 09, 10Feb 02, 12[H05B]
2011/0037,385 ELECTRODE FOR ULTRA-HIGH PRESSURE MERCURY LAMP AND ULTRA-HIGH PRESSURE MERCURY LAMPAbandonedApr 15, 09Feb 17, 11[H01J, H01R]
2010/0219,752 QUARTZ BULB FOR DOUBLE ENDED DISCHARGE LAMPAbandonedMay 26, 08Sep 02, 10[H01J]
2010/0157,257 HIGH PRESSURE DISCHARGE LAMP BALLAST, HIGH PRESSURE DISCHARGEP LAMP DRIVING METHOD, AND PROJECTORAbandonedSep 19, 08Jun 24, 10[H05B, G03B]
7424661 Packet transmission system in wireless LANExpiredJul 13, 05Sep 09, 08[H04L]
2007/0070,991 Method and apparatus for voice over IP telephoneAbandonedJun 22, 06Mar 29, 07[H04L]
2006/0034,235 Wireless LAN network system and a method for connecting access points thereofAbandonedAug 10, 05Feb 16, 06[H04Q]
6996169 Decision feedback equalizerExpiredMay 29, 01Feb 07, 06[H03H]
6989833 Waveform information display apparatusExpiredJul 24, 02Jan 24, 06[G09G]

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