ROHM CO., LTD.

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Technologies

Intl Class Technology MATTERS Rank in Class
 
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1483 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 205 12
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 190 11
 
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 165 19
 
 
H03K PULSE TECHNIQUE 128 39
 
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 115 14
 
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 112 30
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 109 334
 
 
H01G CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE 109 11
 
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 103 142
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0029,365 INKJET PRINTING HEAD Jul 24, 17 Feb 01, 18 [B41J]
2018/0033,720 SEMICONDUCTOR DEVICE Feb 04, 16 Feb 01, 18 [H01L, H02M]
2018/0033,785 SEMICONDUCTOR DEVICE Jul 26, 17 Feb 01, 18 [B60Q, H02H, H05B, H01L]
2018/0035,512 Semiconductor Device Jul 26, 17 Feb 01, 18 [G01R, H05B, B60K]
2018/0020,910 VISUAL ACUITY TEST DEVICE AND VISUAL ACUITY TEST SYSTEM Jan 22, 16 Jan 25, 18 [A61B]
2018/0024,195 SEMICONDUCTOR INTEGRATED CIRCUIT FOR MONITORING SWITCH, ELECTRONIC CONTROL UNIT AND VEHICLE Jul 13, 17 Jan 25, 18 [G01R]
2018/0026,523 SWITCHING POWER SUPPLY DEVICE Jan 15, 16 Jan 25, 18 [H05B, H02P, H02M]
2018/0026,611 SIGNAL TRANSMISSION CIRCUIT AND VEHICLE Jul 18, 17 Jan 25, 18 [B60L, H03K]
2018/0019,177 ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF Jul 11, 17 Jan 18, 18 [H01L]
2018/0019,381 SEMICONDUCTOR LIGHT EMITTING DEVICE Sep 26, 17 Jan 18, 18 [H01L]
2018/0019,383 SEMICONDUCTOR LIGHT-EMITTING DEVICE AND METHOD FOR MANUFACTURING THE SAME Jul 06, 17 Jan 18, 18 [H01L]
2018/0019,585 POWER RECEIVING APPARATUS AND CONTROL CIRCUIT THEREOF Jul 13, 17 Jan 18, 18 [H02H, H02J]
2018/0019,618 Non-Contact Power Supply System Dec 03, 15 Jan 18, 18 [H02J]
2018/0020,549 ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF Jul 10, 17 Jan 18, 18 [H01L, H05K]
2018/0012,826 METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE Jul 06, 17 Jan 11, 18 [H01L]
2018/0012,974 SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE Nov 13, 15 Jan 11, 18 [H01L]
2018/0012,982 SEMICONDUCTOR DEVICE Jul 03, 17 Jan 11, 18 [H01L]
2018/0012,987 SEMICONDUCTOR DEVICE HAVING SUPER JUNCTION METAL OXIDE SEMICONDUCTOR STRUCTURE AND FABRICATION METHOD FOR THE SAME Aug 14, 17 Jan 11, 18 [H01L]
2018/0013,015 SCHOTTKY BARRIER DIODE AND A METHOD OF MANUFACTURING THE SAME Sep 21, 17 Jan 11, 18 [H01L]
2018/0013,058 MAGNETOELECTRIC CONVERTING ELEMENT AND MODULE UTILIZING THE SAME Jul 03, 17 Jan 11, 18 [G01R, H01B, H01L]
2018/0013,353 INSULATED DC/DC CONVERTER AND PRIMARY SIDE CONTROLLER THEREOF, CONTROL METHOD, AND POWER ADAPTOR AND ELECTRONIC DEVICE USING THE SAME Jul 06, 17 Jan 11, 18 [H02M]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9881719 Chip resistor and method for making the same Jun 21, 17 Jan 30, 18 [H01C]
9881812 Power module and fabrication method for the same Aug 03, 16 Jan 30, 18 [H01L]
9881900 Semiconductor device Dec 14, 16 Jan 30, 18 [H01L]
9882105 LED module Jan 21, 16 Jan 30, 18 [H01L]
9882484 Switching power supply device having pulse-by-pulse type overcurrent protection function Dec 16, 16 Jan 30, 18 [H03K, H02M]
9875950 Semiconductor device Mar 03, 15 Jan 23, 18 [H01L, H03K]
9876092 Semiconductor device including sense insulated-gate bipolar transistor May 03, 17 Jan 23, 18 [H01L]
9876124 Semiconductor device and semiconductor device manufacturing method May 11, 15 Jan 23, 18 [H01L]
9876137 Semiconductor light emitting device May 13, 16 Jan 23, 18 [H01L]
9876150 Method for producing optical semiconductor device and optical semiconductor device Sep 20, 16 Jan 23, 18 [H01L]
9876426 On-period setting circuit, power control IC, and switching power supply device Mar 31, 16 Jan 23, 18 [H02M]
9868281 Inkjet head May 03, 17 Jan 16, 18 [B41J, H01L]
9869724 Power management system Jul 24, 14 Jan 16, 18 [G01R]
9870849 Chip resistor and mounting structure thereof Mar 14, 16 Jan 16, 18 [H01C]
9871108 Nitride semiconductor device Apr 21, 16 Jan 16, 18 [H01L]
9871130 Nitride semiconductor device and manufacturing method thereof Sep 22, 16 Jan 16, 18 [H01L]
9871166 Light emitting device Jan 20, 15 Jan 16, 18 [H01L]
9862239 Antenna driving device Oct 20, 16 Jan 09, 18 [B60C, H01Q, H04B]
9863584 LED lighting apparatus Nov 19, 15 Jan 09, 18 [F21K, F21Y, F21V, F21S, H01L, H05K]
9865585 LED module and method of manufacturing the same Dec 14, 16 Jan 09, 18 [H01L]
9866143 Switching device Aug 02, 16 Jan 09, 18 [H01L, 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]
2016/0181,932 ISOLATED DC/DC CONVERTER, POWER SUPPLY DEVICE, POWER SUPPLY ADAPTOR, AND ELECTRONIC DEVICE USING THE SAME, AND FEEDBACK AMPLIFIER INTEGRATED CIRCUIT ABAN Dec 11, 15 Jun 23, 16 [H02M]
2016/0181,935 ISOLATED DC/DC CONVERTER, POWER SUPPLY, POWER SUPPLY ADAPTOR, ELECTRONIC DEVICE USING THE SAME, AND PRIMARY SIDE CONTROLLER ABAN Dec 11, 15 Jun 23, 16 [H02M]
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]
2016/0020,577 SEMICONDUCTOR LASER DEVICE ABAN Jul 14, 15 Jan 21, 16 [H01S]
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]
2015/0028,352 SEMICONDUCTOR DEVICE ABAN Feb 15, 13 Jan 29, 15 [H01L]
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]

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