CITIZEN HOLDINGS CO., LTD.

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Technologies

Intl Class Technology # of Patents/ App Rank in Class
 
 
 
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 9044
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 86228
 
 
 
G04B MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME-PIECES USING THE POSITION OF THE SUN, MOON, OR STARS 716
 
 
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 5848
 
 
 
G04C ELECTROMECHANICAL CLOCKS OR WATCHES 453
 
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 39103
 
 
 
1002 WATCHES AND WRIST WATCHES344
 
 
 
B23B TURNING; BORING 2921
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 20154
 
 
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2076

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0019,002 MACHINE TOOLFeb 05, 13Jan 15, 15[G05B]
2014/0367,710 LED MODULEDec 20, 12Dec 18, 14[H05B, H01L]
2014/0361,695 LED LIGHTING DEVICEOct 04, 12Dec 11, 14[H05B]
2014/0362,573 LED MODULE AND LED LAMP EMPLOYING SAMESep 18, 12Dec 11, 14[F21K, F21V]
2014/0362,577 OPTICAL INTEGRATED DEVICENov 08, 12Dec 11, 14[F21K, G02B, H01S, G02F]
2014/0347,608 OPTICAL DEVICENov 09, 12Nov 27, 14[G02F, F21V]
2014/0348,463 OPTICAL DEVICE AND METHOD FOR MANUFACUTURING THE OPTICAL DEVICEAug 12, 14Nov 27, 14[G02B]
2014/0319,570 LIGHT-EMITTING DEVICEJul 09, 14Oct 30, 14[H01L]
2014/0313,724 LIGHTING DEVICE INCLUDING LIGHT-EMITTING ELEMENT AND METHOD FOR MANUFACTURING THE SAMEJun 30, 14Oct 23, 14[F21K, F21V]
2014/0293,302 PRINTERMar 10, 14Oct 02, 14[G06K]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,933,636 LED driving circuitFeb 02, 11Jan 13, 15[H05B]
8,933,869 Ferroelectric liquid crystal panel driving method and liquid crystal display deviceMar 25, 09Jan 13, 15[G02F, G09G]
D721002 Wrist watch caseMar 25, 14Jan 13, 15[1007]
8,928,845 Liquid crystal optical element, optical device, and aperture control methodApr 21, 06Jan 06, 15[G11B, G02F]
8,920,047 Optical moduleJul 20, 12Dec 30, 14[H01S, G02B, G02F]
D720240 Wrist watchMar 26, 14Dec 30, 14[1002]
8,915,125 Cylinder internal-pressure sensor for engineMar 29, 12Dec 23, 14[F02D, G01L, F02F, G01M]
8,917,010 Lighting device including phosphor layer and light-transmitting layer that is arranged in contact with the phosphor layer to release static charge to substrateFeb 01, 13Dec 23, 14[H05B, H01L]
8,917,751 Optical deviceAug 24, 13Dec 23, 14[H01S]
D719850 Wrist watchMar 25, 14Dec 23, 14[1002]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Filing Date Issue/Pub Date Intl Class
2013/0094,800 OPTICAL DEVICE AND METHOD FOR MANUFACTURING THE OPTICAL DEVICEOct 04, 12Apr 18, 13[G02B, B23K]
2012/0128,024 TEMPERATURE MEASURING DEVICENov 22, 11May 24, 12[G01K]
8,130,332 Liquid crystal optical modulation element, liquid crystal optical modulation device and method for driving liquid crystal optical modulation elementNov 12, 07Mar 06, 12[G02F]
2011/0267,570 ELECTRO-OPTICAL DEVICEFeb 26, 09Nov 03, 11[G02F]
7,834,957 Display device employing light control member and display device manufacturing methodApr 30, 07Nov 16, 10[G02F]
2010/0255,338 DECORATIVE PARTSep 18, 08Oct 07, 10[B32B]
2010/0247,215 NEAR-END OF ROLL DETECTING APPARATUS FOR DETECTING NEAR-END OF ROLL OF RECORDING MEDIUM, AND PRINTERMar 12, 10Sep 30, 10[B41J, B65H]
7,801,315 Method and device for driving a directional speakerDec 17, 04Sep 21, 10[H04B]
2010/0157,587 LIGHT-EMITTING UNIT AND ELECTRONIC DEVICE USING THE SAMEDec 22, 09Jun 24, 10[F21V]
7,733,440 Liquid crystal display deviceMay 31, 07Jun 08, 10[G02F]
2010/0130,877 BODY COMPRESSOR AND BLOOD PRESSURE MONITORMar 24, 08May 27, 10[A61B]
2010/0116,052 PIEZOELECTRIC VIBRATOR, AND VIBRATION GYROMar 19, 08May 13, 10[G01C]
7,643,107 Liquid crystal display apparatusMay 01, 07Jan 05, 10[G02F]
2009/0287,096 Blood pressure meterJul 05, 06Nov 19, 09[A61B]
7,620,506 Measurement electronic device systemOct 24, 03Nov 17, 09[G01R]
2009/0267,423 ELECTROMAGNETIC EXCITERApr 21, 09Oct 29, 09[H02K]
2009/0232,576 PrinterOct 05, 06Sep 17, 09[B41J]
2009/0133,221 Hinge DeviceJul 06, 06May 28, 09[E05D]
2009/0021,766 PRINT SYSTEMJul 18, 08Jan 22, 09[G06F, G06K]
2009/0002,331 LIQUID CRYSTAL DISPLAY DEVICEMay 30, 08Jan 01, 09[G09G, G06F]

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