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 1509 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 208 11
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 190 11
 
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 167 18
 
 
H03K PULSE TECHNIQUE 128 40
 
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 115 16
 
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 113 30
 
 
G06F ELECTRIC DIGITAL DATA PROCESSING 113 334
 
 
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 103 146
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0075,176 THERMAL RESISTANCE ANALYSIS MODEL AND SEMICONDUCTOR INTEGRATED CIRCUIT Nov 15, 17 Mar 15, 18 [G06F]
2018/0076,106 SEMICONDUCTOR DEVICE AND METHOD OF MAKING THE SAME Aug 25, 17 Mar 15, 18 [H01L]
2018/0076,196 DIODE Nov 17, 17 Mar 15, 18 [H01L]
2018/0076,317 SEMICONDUCTOR DEVICE Nov 17, 17 Mar 15, 18 [H01L]
2018/0076,713 SWITCH DRIVE CIRCUIT AND SWITCHING POWER SUPPLY DEVICE USING SAME Aug 17, 17 Mar 15, 18 [H02M]
2018/0076,714 POWER DELIVERY DEVICE, AC ADAPTER, AC CHARGER, ELECTRONIC APPARATUS AND POWER DELIVERY SYSTEM Nov 10, 17 Mar 15, 18 [H04B, H02M, H02J]
2018/0076,781 CLASS-D AMPLIFIER CIRCUIT Sep 15, 17 Mar 15, 18 [H03F]
2018/0068,970 SEMICONDUCTOR DEVICE WITH A SEMICONDUCTOR CHIP CONNECTED IN A FLIP CHIP MANNER Nov 08, 17 Mar 08, 18 [H01L]
2018/0068,972 SEMICONDUCTOR DEVICE AND PRODUCTION METHOD THEREFOR Nov 13, 17 Mar 08, 18 [H01L]
2018/0069,169 SEMICONDUCTOR INTEGRATED CIRCUIT, AND SENSOR SYSTEM AND VEHICLE INCLUDING THE SAME Aug 31, 17 Mar 08, 18 [H02N, G01H, H01L]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9923073 Semiconductor device with surface insulating film Feb 02, 17 Mar 20, 18 [H01L]
9913586 Pulse wave sensor Feb 24, 15 Mar 13, 18 [A61B]
9916991 Semiconductor device with recess and method of making Mar 05, 15 Mar 13, 18 [H01L]
9917074 Semiconductor device comprising PN junction diode and schottky barrier diode May 31, 17 Mar 13, 18 [H01L, H02M]
9917102 Semiconductor device Nov 26, 14 Mar 13, 18 [H01L]
9917185 Semiconductor device and method of manufacturing the same Oct 28, 16 Mar 13, 18 [H01L]
9917501 Semiconductor device Feb 17, 16 Mar 13, 18 [H02M]
9911524 Chip resistor and method for manufacturing the same Jan 26, 16 Mar 06, 18 [H01C]
9911818 Semiconductor device Feb 09, 17 Mar 06, 18 [H01L]
9911844 Semiconductor device May 16, 16 Mar 06, 18 [H01L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0092,759 SEMICONDUCTOR DEVICE HAVING TRENCH GATE STRUCTURE AND METHOD FOR MANUFACTURING THE SEMICONDUCTOR DEVICE Abandoned Dec 14, 16 Mar 30, 17 [H01L]
2017/0040,420 SEMICONDUCTOR DEVICE Abandoned Apr 16, 15 Feb 09, 17 [H01L]
2016/0318,761 HYDROGEN PRODUCTION METHOD AND HYDROGEN PRODUCTION SYSTEM Abandoned Dec 26, 14 Nov 03, 16 [B01J, C01B]
2016/0258,609 LED LIGHTING APPARATUS Abandoned Feb 24, 16 Sep 08, 16 [G01S, F21V, H05B]
2016/0254,357 SEMICONDUCTOR DEVICE AND SEMICONDUCTOR PACKAGE Abandoned Oct 24, 14 Sep 01, 16 [H01L]
2016/0223,413 STRESS SENSOR AND FABRICATION METHOD FOR THE SAME Abandoned Dec 30, 15 Aug 04, 16 [G01L]
2016/0226,487 SEMICONDUCTOR DEVICE Abandoned 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 Abandoned 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 Abandoned Dec 11, 15 Jun 23, 16 [H02M]
2016/0146,856 Current Sensor Abandoned Jun 11, 14 May 26, 16 [G01R, H02J]
2016/0148,484 WARNING SYSTEM FOR USE IN DAILY LIFE Abandoned Jul 18, 14 May 26, 16 [F24F, G08B]
2016/0111,138 SEMICONDUCTOR MEMORY DEVICE Abandoned May 29, 15 Apr 21, 16 [G11C]
2016/0020,577 SEMICONDUCTOR LASER DEVICE Abandoned Jul 14, 15 Jan 21, 16 [H01S]
2015/0364,999 SEMICONDUCTOR INTEGRATED CIRCUIT AND POWER SUPPLY Abandoned Jun 15, 15 Dec 17, 15 [H02M]
2015/0340,840 SEMICONDUCTOR LASER Abandoned Jul 31, 15 Nov 26, 15 [H01S]
2015/0244,186 POWER SUPPLY DEVICE Abandoned Feb 25, 15 Aug 27, 15 [H01M, H02J]
2015/0235,931 SEMICONDUCTOR DEVICE Abandoned Feb 19, 15 Aug 20, 15 [H01L, H05K]
2015/0214,259 PHOTOELECTRIC CONVERTER AND METHOD FOR MANUFACTURING THE SAME Abandoned Mar 17, 15 Jul 30, 15 [H01L]
2015/0214,354 SEMICONDUCTOR DEVICE Abandoned Aug 13, 13 Jul 30, 15 [H01L]
2015/0205,719 Memory Control Circuit Abandoned Jan 15, 15 Jul 23, 15 [G06F]

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