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 90227
 
 
 
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 8748
 
 
 
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 736
 
 
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 5647
 
 
 
G04C ELECTROMECHANICAL CLOCKS OR WATCHES 443
 
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 36103
 
 
 
1002 WATCHES AND WRIST WATCHES355
 
 
 
B23B TURNING; BORING 3119
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 20164
 
 
 
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
2015/0103,511 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]
2015/0091,029 LED LIGHT EMITTING APPARATUSMar 15, 13Apr 02, 15[H01L]
2015/0068,002 MACHINE TOOLMar 21, 13Mar 12, 15[B23B]
2015/0071,325 CONTACT TYPE INTERNAL THERMOMETERFeb 21, 13Mar 12, 15[G01K]
2015/0072,138 RIGID DECORATIVE MEMBER HAVING WHITE RIGID COATING LAYER, AND METHOD FOR PRODUCING THE SAMEMar 12, 13Mar 12, 15[C23C, G04B]
2015/0064,469 COLORED RIGID DECORATIVE MEMBERFeb 28, 13Mar 05, 15[C23C, B32B]
2015/0055,681 CONTACT TYPE INTERNAL THERMOMETERFeb 21, 13Feb 26, 15[G01K]
2015/0047,480 GUIDE BUSH ADJUSTING DEVICEFeb 13, 13Feb 19, 15[B23B]
2015/0048,147 LASER LIGHT SOURCE DEVICE AND METHOD FOR MANUFACTURING LASER LIGHT SOURCE DEVICEMar 14, 13Feb 19, 15[H01S, B23K, H05K]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
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]
9,006,984 LED lighting deviceAug 24, 12Apr 14, 15[H05B]
D726554 Wrist watch caseMar 25, 14Apr 14, 15[1002]
8,991,590 Product collection apparatusSep 27, 12Mar 31, 15[B65G]
8,994,262 Light-emitting element and lighting device using the sameSep 14, 12Mar 31, 15[H05B, H01L]
8,994,885 Pre-edging lens and method for manufacturing edged lensApr 18, 11Mar 31, 15[G02C, G02F]
8,987,774 Semiconductor light-emitting device and producing method thereofNov 09, 13Mar 24, 15[H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
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]
7,884,789 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]
2009/0232,576 PrinterABANOct 05, 06Sep 17, 09[B41J]
2009/0133,221 Hinge DeviceABANJul 06, 06May 28, 09[E05D]

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