PHOENIX 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 12116
 
  
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 7103
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 7104
 
  
 
F21K LIGHT SOURCES NOT OTHERWISE PROVIDED FOR337
 
  
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 298
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9841165 LED lampAug 02, 17Dec 12, 17[F21V, F21Y, F21K]
9812280 Manufacturing method of high-pressure discharge lamp and sealed part structure for high-pressure discharge lampJun 23, 15Nov 07, 17[H01J]
9591732 Method for lighting high-pressure discharge lampMar 24, 16Mar 07, 17[H01J, H05B]
9362103 High pressure discharge lamp and lighting method thereofSep 17, 14Jun 07, 16[H01J]
9148926 LED lampMar 26, 14Sep 29, 15[H05B]
9129793 High pressure discharge lamp with auxiliary lampFeb 15, 12Sep 08, 15[H01J, H05B]
9099293 Method and circuit for lighting high-pressure discharge lampSep 11, 14Aug 04, 15[H01J, H05B]
9022579 Circuit and method for lighting high pressure discharge lampFeb 24, 14May 05, 15[H04N, H05B]
8864343 Light emitting deviceSep 02, 11Oct 21, 14[F21V, F21Y, G02B]
8803408 Light source deviceAug 16, 12Aug 12, 14[H01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0174,348 DEVICE AND METHOD FOR LIGHTING HIGH-PRESSURE DISCHARGE LAMPAbandonedAug 18, 15Jun 16, 16[H05B]
8197101 Reflector for use in light emitting device and light emitting device using the sameExpiredDec 08, 09Jun 12, 12[F21V]
8067881 Light emitting deviceExpiredDec 24, 09Nov 29, 11[H01J, F21V]
2011/0080,728 LIGHT EMITTING DEVICEAbandonedMay 21, 10Apr 07, 11[F21V]
2010/0171,421 HIGH-PRESSURE DISCHARGE LAMPAbandonedJan 06, 10Jul 08, 10[H01J]
2010/0026,726 IMAGE PROJECTION SYSTEM BY MEANS OF DIRECT CURRENT TYPE HIGH VOLTAGE DISCHARGEAbandonedSep 28, 06Feb 04, 10[G09G, G06F]
2009/0230,888 DISCHARGE LAMP OPERATION DEVICEAbandonedMar 20, 07Sep 17, 09[H05B]
2009/0224,667 Auxiliary light source and lighting system having the sameAbandonedJan 08, 09Sep 10, 09[H01J]
7576494 High voltage discharge lamp lighting method, lighting apparatus and image device using that lighting apparatusExpiredSep 28, 04Aug 18, 09[H05B]
7517093 Projection-type system and method of operating the sameExpiredJul 15, 04Apr 14, 09[G03B]
7504780 Power supply unit for light source and method of controlling the sameExpiredApr 12, 07Mar 17, 09[H05B]
2008/0123,338 Lighting deviceAbandonedNov 01, 07May 29, 08[F21V]
7348737 Lighting circuit for high-pressure discharge lampExpiredJul 17, 06Mar 25, 08[G05F]
2008/0054,776 Light source deviceAbandonedAug 02, 07Mar 06, 08[H01J]
2008/0042,538 Metallic Concave Reflection Mirror, Light Source and Light Source Apparatus Using the Same, and Lighting Circuit ThereofAbandonedSep 14, 04Feb 21, 08[H01J]
7306340 Projection system using a high-pressure discharge lamp adapted to d.c. lighting, and method of operating the sameExpiredApr 27, 05Dec 11, 07[G03B]
2006/0050,512 Ultra-high pressure discharge lamp unit and light source apparatusAbandonedFeb 18, 05Mar 09, 06[F21V]
6914393 Method and device for lighting high pressure discharge lampsExpiredAug 07, 03Jul 05, 05[H05B, G05F]
2004/0207,336 Method of initiating lighting of a discharge lamp, circuit for lighting a discharge lamp, light source device using the circuit, and optical instrument incorporating the light source deviceAbandonedMay 13, 04Oct 21, 04[H05B]
6788009 Method and device for lighting ultra-high pressure discharge lampsExpiredNov 01, 01Sep 07, 04[H05B]

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