CITIZEN HOLDINGS CO., LTD.

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
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 8038
 
 
 
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 733
 
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 72185
 
 
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 4840
 
 
 
G04C ELECTROMECHANICAL CLOCKS OR WATCHES 382
 
 
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 3683
 
 
 
B23B TURNING; BORING 2120
 
 
 
1002 WATCHES AND WRIST WATCHES216
 
 
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 1449

Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
5,815,233 Optical device containing a liquid crystal element for changing optical characteristics of a lens elementOct 14, 97Sep 29, 98[G02F]98
5,496,753 Method of fabricating a semiconductor nonvolatile storage deviceJan 25, 94Mar 05, 96[H01L]85
5,467,913 Solder ball supply deviceOct 11, 94Nov 21, 95[B23K]83
6,338,980 Method for manufacturing chip-scale package and manufacturing IC chipAug 01, 00Jan 15, 02[H01L]74
6,690,438 Liquid crystal display panelApr 06, 01Feb 10, 04[G02F]70
6,567,060 Liquid displayApr 13, 00May 20, 03[G09G]61
6,646,697 Liquid crystal displayMar 17, 99Nov 11, 03[G02F]60
6,271,901 Liquid crystal display device with two reflective polarizers providing metallic appearance effectsMar 11, 99Aug 07, 01[G02F]55
6,580,479 TimepieceMar 15, 99Jun 17, 03[G02F]54
6,084,650 LCD having an area of color filter or reflector at each pixel region being smaller than an area of a pixel regionOct 30, 97Jul 04, 00[G02F]53

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2013/0106,301 LIGHT SOURCE AND LIGHTING DEVICE INCLUDING THE SAMENov 02, 12May 02, 13[F21V, H05B, H01J]
2013/0107,186 PRE-EDGING LENS AND METHOD FOR MANUFACTURING EDGED LENSApr 18, 11May 02, 13[G02F]
2013/0098,738 PRODUCT COLLECTION APPARATUSSep 27, 12Apr 25, 13[B65G]
2013/0099,276 LED LIGHT SOURCE DEVICE AND MANUFACTURING METHOD FOR THE SAMEJul 01, 11Apr 25, 13[H01L]
2013/0093,313 LIGHT-EMITTING DEVICEOct 15, 12Apr 18, 13[H05B]
2013/0094,333 TIMEPIECE DISPLAY PLATEJun 23, 11Apr 18, 13[G04B]
2013/0094,800 OPTICAL DEVICE AND METHOD FOR MANUFACTURING THE OPTICAL DEVICEOct 04, 12Apr 18, 13[G02B, B23K]
2013/0088,159 LIGHT-EMITTING DEVICEOct 05, 12Apr 11, 13[H05B]
2013/0076,233 LIGHT-EMITTING ELEMENT AND LIGHTING DEVICE USING THE SAMESep 14, 12Mar 28, 13[H05B]
2013/0068,019 PHYSICAL QUANTITY SENSORMar 30, 11Mar 21, 13[G01P, G01C]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8,436,880 Thermal printerFeb 09, 11May 07, 13[B41J]
8,432,419 Driving apparatus for liquid crystal light modulator and variable optical attenuator employing driving apparatusApr 16, 10Apr 30, 13[G09G]
8,425,846 Sensing element for catalytic combustion type gas sensorMar 29, 05Apr 23, 13[G01N]
8,419,304 Printer and DC motor speed control deviceOct 30, 06Apr 16, 13[B41J]
8,420,414 Method of manufacturing light-emitting deviceApr 13, 11Apr 16, 13[H01L]
8,400,387 Liquid crystal display deviceJul 07, 09Mar 19, 13[G09G]
8,395,602 Color display device and portable electronic appliance using the sameNov 07, 05Mar 12, 13[G06F]
8,390,760 Planar light-emitting device and liquid crystal display apparatus using the sameDec 03, 09Mar 05, 13[G02F]
8,376,670 Spindle head device and machine toolMar 29, 07Feb 19, 13[B23Q]
8,379,166 Planar light-emitting device and liquid crystal display apparatusJun 02, 10Feb 19, 13[G02F]

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Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
Sekiguchi Kanetaka
Sayama-shi, JP
46
Akiyama Takashi
Sayama-shi, JP
44
Ide Masafumi
Not Provided
42
Miya Yukio
Tokyo, JP
26
Kondoh Shinya
Tokyo, JP
23
Yano Takakazu
Tokyo, JP
22
Kaneko Yasushi
Sayama, JP
21
MUKAIJIMA Katsutoshi
Not Provided
21
Toida Takashi
Tokyo, JP
21
Yamamoto Tetsuya
Not Provided
19