ROHM 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 1445 30
 
 
H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF 201 12
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 186 10
 
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 156 17
 
 
H03K PULSE TECHNIQUE 123 42
 
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 113 15
 
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 110 31
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 108 10
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 104 335
 
 
H01S DEVICES USING STIMULATED EMISSION 102 25
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0323,311 INFORMATION COLLECTION SYSTEM Aug 03, 15 Nov 09, 17 [G01C, G06Q, G06K]
2017/0325,305 LIGHTING DEVICE Nov 04, 15 Nov 09, 17 [H05B]
2017/0305,326 LIGHT-EMITTING ELEMENT DRIVING SEMICONDUCTOR INTEGRATED CIRCUIT, LIGHT-EMITTING ELEMENT DRIVING DEVICE, LIGHT-EMITTING DEVICE, AND VEHICLE Apr 20, 17 Oct 26, 17 [B60Q, H05B]
2017/0309,404 CHIP CAPACITOR Apr 20, 17 Oct 26, 17 [H01G]
2017/0309,592 SEMICONDUCTOR DEVICE Apr 18, 17 Oct 26, 17 [H01L]
2017/0310,323 POWER SEMICONDUCTOR DRIVE CIRCUIT, POWER SEMICONDUCTOR CIRCUIT, AND POWER MODULE CIRCUIT DEVICE Jul 11, 17 Oct 26, 17 [H03K]
2017/0297,345 LIQUID CONTAINER, LIQUID REMAINING AMOUNT DETECTION CIRCUIT OF LIQUID CONTAINER, LIQUID REMAINING AMOUNT DETECTION METHOD, LIQUID CONTAINER IDENTIFICATION METHOD, INK MOUNTING UNIT, PRINTER, AND PRINT SYSTEM Apr 12, 17 Oct 19, 17 [B41J]
2017/0299,543 NITROGEN OXIDE BASED GAS SENSOR, OXYGEN PUMP, GAS SENSOR APPARATUS, MANUFACTURING METHOD OF GAS SENSOR APPARATUS, AND SENSOR NETWORK SYSTEM Apr 12, 17 Oct 19, 17 [G01N]
2017/0300,148 CAPACITANCE MEASUREMENT CIRCUIT Apr 13, 17 Oct 19, 17 [G06F]
2017/0301,436 CHIP RESISTOR Apr 12, 17 Oct 19, 17 [H01C]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9808162 Pulse wave sensor and semiconductor module Oct 22, 15 Nov 07, 17 [A61B, G01J]
9812382 Semiconductor device with lead terminals having portions thereof extending obliquely Sep 22, 16 Nov 07, 17 [H01L]
9812408 Semiconductor device with electrostatic discharge protection device near the edge of the chip Jul 01, 05 Nov 07, 17 [H01L]
9812412 Chip part having passive elements on a common substrate Dec 28, 15 Nov 07, 17 [H01L]
9812537 Semiconductor device and method for manufacturing the same Feb 14, 14 Nov 07, 17 [H01L]
9812565 N-channel double diffusion MOS transistor with p-type buried layer underneath n-type drift and drain layers, and semiconductor composite device Oct 13, 15 Nov 07, 17 [H01L]
9812964 Semiconductor device and power supply unit utilizing the same Jun 14, 16 Nov 07, 17 [H01L, H02M]
9812983 Synchronous rectifier circuit May 13, 16 Nov 07, 17 [H02M]
9804012 Vehicle traveling information recording device Jun 29, 09 Oct 31, 17 [B60R, G01F, G07C]
9804619 USB power supply apparatus Oct 21, 15 Oct 31, 17 [G05F, H02M]
9806189 Semiconductor device Jul 13, 16 Oct 31, 17 [H01L]
9806824 Wireless power supply receiver-transmitter device, wireless power supply receiver and wireless power supply transmitter Sep 26, 13 Oct 31, 17 [H04B, H02J]
9796189 Thermal print head Dec 23, 16 Oct 24, 17 [B41J]
9797554 LED lamp Dec 14, 15 Oct 24, 17 [F21K, F21Y, H01L]
9799733 Semiconductor device having a junction portion contacting a schottky metal Jun 05, 13 Oct 24, 17 [H01L]
9799808 Light emitting element and light emitting element package Jan 21, 14 Oct 24, 17 [H01L]
9800024 Igniter and vehicle, and method for controlling ignition coil Nov 09, 15 Oct 24, 17 [H01T, F02P]
9800185 Motor driving circuit, cooling device and electronic apparatus including the same Jul 07, 15 Oct 24, 17 [H02H, H02P]
9800239 Electronic circuit Jun 10, 14 Oct 24, 17 [H03B, H03K, H02M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0318,761 HYDROGEN PRODUCTION METHOD AND HYDROGEN PRODUCTION SYSTEM ABAN Dec 26, 14 Nov 03, 16 [B01J, C01B]
2016/0258,609 LED LIGHTING APPARATUS ABAN Feb 24, 16 Sep 08, 16 [G01S, F21V, H05B]
2016/0254,357 SEMICONDUCTOR DEVICE AND SEMICONDUCTOR PACKAGE ABAN Oct 24, 14 Sep 01, 16 [H01L]
2016/0226,487 SEMICONDUCTOR DEVICE ABAN Jan 29, 16 Aug 04, 16 [H03K]
2016/0148,484 WARNING SYSTEM FOR USE IN DAILY LIFE ABAN Jul 18, 14 May 26, 16 [F24F, G08B]
2016/0111,138 SEMICONDUCTOR MEMORY DEVICE ABAN May 29, 15 Apr 21, 16 [G11C]
2015/0364,999 SEMICONDUCTOR INTEGRATED CIRCUIT AND POWER SUPPLY ABAN Jun 15, 15 Dec 17, 15 [H02M]
2015/0340,840 SEMICONDUCTOR LASER ABAN Jul 31, 15 Nov 26, 15 [H01S]
2015/0244,186 POWER SUPPLY DEVICE ABAN Feb 25, 15 Aug 27, 15 [H01M, H02J]
2015/0235,931 SEMICONDUCTOR DEVICE ABAN Feb 19, 15 Aug 20, 15 [H01L, H05K]
2015/0214,259 PHOTOELECTRIC CONVERTER AND METHOD FOR MANUFACTURING THE SAME ABAN Mar 17, 15 Jul 30, 15 [H01L]
2015/0214,354 SEMICONDUCTOR DEVICE ABAN Aug 13, 13 Jul 30, 15 [H01L]
2015/0205,719 Memory Control Circuit ABAN Jan 15, 15 Jul 23, 15 [G06F]
2015/0155,684 METHOD FOR MANUFACTURING SEMICONDUCTOR LASER DEVICE ABAN Feb 10, 15 Jun 04, 15 [H01S]
2015/0021,634 DISPLAY UNIT USING LED LIGHT SOURCES ABAN Jul 14, 14 Jan 22, 15 [H01L]
2015/0026,626 SOFTWARE KEYBOARD INPUT DEVICE, INPUT METHOD AND ELECTRONIC APPARATUS ABAN Jul 21, 14 Jan 22, 15 [G06F]
2015/0015,219 DC/DC CONVERTER ABAN Apr 15, 14 Jan 15, 15 [H02M]
2015/0011,065 SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME ABAN Sep 23, 14 Jan 08, 15 [H01L]
2014/0361,398 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SAME ABAN Jun 03, 14 Dec 11, 14 [H01L]
2014/0354,345 SWITCH CONTROL CIRCUIT, SWITCHING POWER SUPPLY, AND ELECTRONIC APPARATUS ABAN May 29, 14 Dec 04, 14 [H03K]

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