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 107223
 
 
 
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 8449
 
 
 
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 737
 
 
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 5550
 
 
 
G04C ELECTROMECHANICAL CLOCKS OR WATCHES 443
 
 
 
1002 WATCHES AND WRIST WATCHES366
 
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 33109
 
 
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 32156
 
 
 
B23B TURNING; BORING 3120
 
 
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 2871

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0023,314 GUIDE BUSH CONTROL DEVICE AND METHOD OF ADJUSTING GUIDE BUSHMar 06, 14Jan 28, 16[B23Q, B23B]
2016/0025,935 OPTICAL FIBER CONNECTOR, OPTICAL MODULE, AND FABRICATING METHOD THEREOFJul 27, 15Jan 28, 16[G02B]
2016/0018,078 LIGHT-EMITTING APPARATUS AND METHOD OF MANUFACTURING THE SAMEJul 16, 15Jan 21, 16[F21K, F21V]
2016/0020,368 LIGHTING DEVICE AND METHOD OF MANUFACTURING THE SAMESep 29, 15Jan 21, 16[H01L]
2016/0011,564 BEAM SPLITTING DEVICEFeb 07, 14Jan 14, 16[G02F, G03H]
2016/0011,579 NUMERICAL CONTROL DEVICEFeb 12, 13Jan 14, 16[G05B]
2016/0002,562 LUBRICATING OIL COMPOSITION FOR TIMEPIECE AND TIMEPIECEJan 14, 14Jan 07, 16[C10M]
2015/0382,420 LED DRIVE CIRCUITFeb 18, 14Dec 31, 15[H05B]
2015/0364,451 LED LIGHT EMITTING DEVICEJun 15, 15Dec 17, 15[H01L]
2015/0345,763 LIGHTING DEVICE INCLUDING LIGHT-EMITTING ELEMENTAug 05, 15Dec 03, 15[F21V, H01L]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9,240,671 Laser light sourceOct 29, 12Jan 19, 16[H01S, G02B, G02F]
9,241,383 Light-emitting deviceDec 29, 11Jan 19, 16[F21K, H05B, H01L]
9,229,584 Information input apparatusMay 31, 12Jan 05, 16[H04N, G06F]
9,232,573 Lighting device and method of manufacturing the sameOct 24, 14Jan 05, 16[H05B, H01L]
9,224,720 Light-emitting device including light-emitting diode element that is mounted on outer portion of electrodeFeb 18, 15Dec 29, 15[H01L]
9,226,364 LED lighting circuit, LED illumination device, and LED illumination unit socketOct 27, 11Dec 29, 15[F21K, F21Y, H05B]
9,220,142 Light-emitting deviceOct 05, 12Dec 22, 15[H05B]
9,212,408 Decorative part with substrate and multi-layer hardening laminateSep 18, 08Dec 15, 15[C23C, B32B, C22C, A44C]
9,212,991 Refractive index measurment apparatus and refractive index measurment methodAug 04, 11Dec 15, 15[G01N]
9,214,446 Method of manufacturing optical moduleMar 16, 12Dec 15, 15[B29C, H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9,195,114 Optical deviceWithdrawnMay 22, 12Nov 24, 15[G02B, G02F]
9,175,620 Internal combustion engine fitted with combustion pressure detection deviceWithdrawnMar 15, 13Nov 03, 15[F02B, F02D, G01L]
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]
8,049,840 Double-sided display apparatusExpiredAug 17, 05Nov 01, 11[G02F]
2011/0261,394 PRINTER STANDABANJan 14, 11Oct 27, 11[G06F, H05K]
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]

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