NIHON DEMPA KOGYO CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H03B GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS 1195
 
  
 
H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS 10214
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 92271
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 5137
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 33173
 
  
 
1004 OTHER MEASURING INSTRUMENTS, APPARATUS AND DEVICES1125
 
  
 
A61B DIAGNOSIS; SURGERY; IDENTIFICATION 9231
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 7100
 
  
 
2401 APPARATUS AND EQUIPMENT FOR DOCTORS, HOSPITALS AND LABORATORIES627
 
  
 
G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES 516

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0062,614 AT-CUT CRYSTAL ELEMENT AND CRYSTAL RESONATORMar 17, 16Mar 01, 18[H01L, H03H]
2018/0054,181 CRYSTAL RESONATORAug 21, 17Feb 22, 18[H03H]
2018/0013,386 OVEN-CONTROLLED CRYSTAL OSCILLATORJul 03, 17Jan 11, 18[H03L, H01L, H03B]
2017/0345,993 PIEZOELECTRIC DEVICEMay 19, 17Nov 30, 17[H01L]
2017/0322,130 SENSING METHODSep 25, 15Nov 09, 17[H03B, G01N, H03H]
2017/0288,123 PIEZOELECTRIC DEVICE AND METHOD FOR MANUFACTURING THE SAMEJul 31, 15Oct 05, 17[H01L, H03H]
2017/0257,077 CRYSTAL RESONATORMar 02, 17Sep 07, 17[H03H]
2017/0248,591 SENSING SENSOR AND SENSING METHODFeb 22, 17Aug 31, 17[G01N]
2017/0244,362 DUAL-FREQUENCY-OUTPUT CRYSTAL CONTROLLED OSCILLATORJan 09, 17Aug 24, 17[H03L, H03B]
2017/0214,364 CRYSTAL OSCILLATORJan 19, 17Jul 27, 17[H03B, H03H]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9876157 Surface mount type quartz crystal deviceJul 15, 14Jan 23, 18[H01L, H03H]
9791412 Sensing deviceJun 09, 14Oct 17, 17[G01N]
9762180 Voltage controlled oscillatorMar 11, 15Sep 12, 17[H03L, H03B]
9735756 Piezoelectric deviceNov 27, 14Aug 15, 17[H01L, H03H]
9716511 Signal processing deviceFeb 16, 17Jul 25, 17[H03L, H03K, H03M, H03B]
9625420 Sensing sensor and sensing deviceSep 26, 14Apr 18, 17[G01N]
9614493 Quartz crystal device and method for fabricating the sameMay 30, 14Apr 04, 17[H01L, H03H]
9543923 Crystal resonator including blank and supporting portionDec 23, 14Jan 10, 17[H03H]
9450564 Elastic wave filterAug 27, 14Sep 20, 16[H03H]
9378935 Geiger-Muller counter tube and radiation measurement apparatusDec 03, 14Jun 28, 16[H01J, G01T]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0005,259 PIEZOELECTRIC DEVICE AND BASEAbandonedJun 29, 16Jan 05, 17[H01L]
2016/0164,490 PIEZOELECTRIC DEVICE AND METHOD FOR FABRICATING THE SAMEAbandonedMar 26, 14Jun 09, 16[H01L, H03H]
2015/0188,025 CONTAINER FOR ELECTRONIC COMPONENT AND ELECTRONIC COMPONENTAbandonedDec 25, 14Jul 02, 15[H01L, B65D]
2015/0155,144 GEIGER-MULLER COUNTER TUBE AND RADIATION MEASUREMENT APPARATUSAbandonedDec 03, 14Jun 04, 15[H01J, G01T]
2015/0155,849 SURFACE MOUNTING QUARTZ CRYSTAL UNIT AND METHOD OF FABRICATING THE SAMEAbandonedOct 14, 14Jun 04, 15[B23K, H03H]
2015/0102,862 OSCILLATORAbandonedAug 28, 14Apr 16, 15[H03B]
2015/0084,678 PHASE LOCKED LOOP CIRCUITAbandonedAug 27, 14Mar 26, 15[H03L]
2015/0061,783 CRYSTAL CONTROLLED OSCILLATORAbandonedAug 25, 14Mar 05, 15[H03L, H03B]
2015/0054,590 OVEN CONTROLLED CRYSTAL OSCILLATORAbandonedJun 18, 14Feb 26, 15[H03L]
2015/0035,410 PIEZOELECTRIC VIBRATING PIECE, METHOD FOR FABRICATING THE PIEZOELECTRIC VIBRATING PIECE, PIEZOELECTRIC DEVICE, AND METHOD FOR FABRICATING THE PIEZOELECTRIC DEVICEAbandonedJul 22, 14Feb 05, 15[H01L, H03H]
2015/0015,118 PIEZOELECTRIC DEVICE AND METHOD FOR FABRICATING THE SAMEAbandonedJul 04, 14Jan 15, 15[H01L]
2015/0015,119 PIEZOELECTRIC VIBRATING PIECE, METHOD FOR FABRICATING PIEZOELECTRIC VIBRATING PIECE, PIEZOELECTRIC DEVICE, AND METHOD FOR FABRICATING PIEZOELECTRIC DEVICEAbandonedJul 03, 14Jan 15, 15[H03H]
2014/0368,089 PIEZOELECTRIC VIBRATING PIECE, PIEZOELECTRIC DEVICE, AND METHOD FOR FABRICATING THE PIEZOELECTRIC DEVICEAbandonedJun 04, 14Dec 18, 14[H01L, H03H]
2014/0348,282 OSCILLATION DEVICE AND COMMUNICATION SYSTEMAbandonedMay 19, 14Nov 27, 14[H03L, H04L]
2014/0320,110 MEASURING APPARATUS, MEASURING METHOD, AND MEASURING PROGRAMAbandonedApr 22, 14Oct 30, 14[G01R]
2014/0313,682 COMPOSITE ELECTRONIC COMPONENTAbandonedApr 21, 14Oct 23, 14[H05K]
2014/0290,019 METHOD FOR FABRICATING VIBRATORAbandonedMar 27, 14Oct 02, 14[H03H]
2014/0291,538 STEP UP CIRCUIT AND RADIATION METERAbandonedMar 26, 14Oct 02, 14[H02M, G01T]
2014/0292,143 ELECTRONIC DEVICE AND METHOD FOR FABRICATING THE SAMEAbandonedMar 18, 14Oct 02, 14[H01L]
2014/0292,444 ELASTIC WAVE FILTERAbandonedMar 27, 14Oct 02, 14[H03H]

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