CITIZEN HOLDINGS CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 93229
 
 
 
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 8746
 
 
 
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 726
 
 
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 5547
 
 
 
G04C ELECTROMECHANICAL CLOCKS OR WATCHES 443
 
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 36102
 
 
 
1002 WATCHES AND WRIST WATCHES355
 
 
 
B23B TURNING; BORING 3119
 
 
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 2274
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 21159

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0139,374 SATELLITE RADIO-CONTROLLED WRISTWATCHJul 10, 13May 21, 15[H04L, H04W]
2015/0129,902 LIGHTING DEVICENov 06, 14May 14, 15[H01L]
2015/0129,907 SEMICONDUCTOR LIGHT-EMITTING DEVICESep 27, 14May 14, 15[H01L]
2015/0124,455 LED MODULEMay 10, 13May 07, 15[F21K, F21V]
2015/0114,889 METHOD OF SEPARATING WORKPIECES FROM CHIPSDec 29, 14Apr 30, 15[B03B]
2015/0115,793 LIGHTING DEVICE AND METHOD OF MANUFACTURING THE SAMEOct 24, 14Apr 30, 15[F21K, H05B]
2015/0115,810 LED DRIVE CIRCUITMar 14, 13Apr 30, 15[H05B]
2015/0116,812 ABERRATION CORRECTION DEVICE AND LASER MICROSCOPEMar 15, 13Apr 30, 15[G02B, G02F]
2015/0103,511 LIGHTING DEVICE INCLUDING PHOSPHOR COVER AND METHOD OF MANUFACTURING THE SAMEOct 10, 14Apr 16, 15[F21K]
2015/0090,084 PROCESSING MACHINEMar 27, 13Apr 02, 15[B23B]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,033,600 Jam-free printerMay 29, 08May 19, 15[B41J]
9,022,615 Light-emitting module including housing with protrusionOct 24, 11May 05, 15[F21K, F21V]
9,022,828 Light-emitting device, lighting device including the light-emitting device, and method of manufacturing the light-emitting deviceSep 12, 12May 05, 15[H05B, H01J, H01L]
9,024,518 Light-emitting diode and lighting device including the sameFeb 18, 13May 05, 15[H01L]
9,016,966 Printer with paper holder having paper near-end detectorJul 18, 13Apr 28, 15[B41J, B65H]
D727860 Light-emitting diodeJun 17, 14Apr 28, 15[1303]
9,010,997 Electronic timepieceMar 14, 11Apr 21, 15[G04B, G04C, G04D]
9,011,343 Biological signal measuring apparatusMar 24, 10Apr 21, 15[A61B]
9,004,790 Cutter unit to be incorporated into a printer, having a control elementFeb 23, 12Apr 14, 15[B26D, B41J]
9,006,759 Light-emitting deviceApr 14, 11Apr 14, 15[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0256,201 WORKPIECE SEPARATION APPARATUSABANDec 13, 11Oct 03, 13[B03B]
2013/0094,800 OPTICAL DEVICE AND METHOD FOR MANUFACTURING THE OPTICAL DEVICEABANOct 04, 12Apr 18, 13[G02B, B23K]
2012/0128,024 TEMPERATURE MEASURING DEVICEABANNov 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 elementWithdrawnNov 12, 07Mar 06, 12[G02F]
2011/0267,570 ELECTRO-OPTICAL DEVICEABANFeb 26, 09Nov 03, 11[G02F]
7,924,301 Image forming apparatus for disk-shaped mediaExpiredMar 28, 07Apr 12, 11[B41J]
7,884,789 Display apparatusExpiredAug 11, 05Feb 08, 11[G09G]
7,875,870 Recording medium type identification device with optical sensorsExpiredMar 31, 08Jan 25, 11[H05K, G01N, G06K]
7,834,957 Display device employing light control member and display device manufacturing methodExpiredApr 30, 07Nov 16, 10[G02F]
2010/0255,338 DECORATIVE PARTABANSep 18, 08Oct 07, 10[B32B]
2010/0247,215 NEAR-END OF ROLL DETECTING APPARATUS FOR DETECTING NEAR-END OF ROLL OF RECORDING MEDIUM, AND PRINTERABANMar 12, 10Sep 30, 10[B41J, B65H]
7,801,315 Method and device for driving a directional speakerExpiredDec 17, 04Sep 21, 10[H04B]
2010/0157,587 LIGHT-EMITTING UNIT AND ELECTRONIC DEVICE USING THE SAMEABANDec 22, 09Jun 24, 10[F21V]
7,733,440 Liquid crystal display deviceExpiredMay 31, 07Jun 08, 10[G02F]
2010/0130,877 BODY COMPRESSOR AND BLOOD PRESSURE MONITORABANMar 24, 08May 27, 10[A61B]
2010/0116,052 PIEZOELECTRIC VIBRATOR, AND VIBRATION GYROABANMar 19, 08May 13, 10[G01C]
7,643,107 Liquid crystal display apparatusExpiredMay 01, 07Jan 05, 10[G02F]
2009/0287,096 Blood pressure meterABANJul 05, 06Nov 19, 09[A61B]
7,620,506 Measurement electronic device systemExpiredOct 24, 03Nov 17, 09[G01R]
2009/0267,423 ELECTROMAGNETIC EXCITERABANApr 21, 09Oct 29, 09[H02K]

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