FUJI ELECTRIC 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 1205 35
 
 
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 325 4
 
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 139 47
 
 
H03K PULSE TECHNIQUE 135 36
 
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 99 66
 
 
H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS 76 22
 
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 73 31
 
 
G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES 65 40
 
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 58 62
 
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 52 41
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Top Patents (by citation)

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0076,201 SEMICONDUCTOR DEVICE Sep 06, 17 Mar 15, 18 [H01L]
2018/0069,250 FUEL CELL SYSTEM AND ITS OPERATION METHOD Sep 01, 17 Mar 08, 18 [H01M]
2018/0069,400 POWER SOURCE SYSTEM AND METHOD OF RESETTING POWER-ASSIST START POINT FOR THE SYSTEM Nov 13, 17 Mar 08, 18 [H02J]
2018/0061,934 VERTICAL MOSFET Jul 30, 17 Mar 01, 18 [H01L]
2018/0047,725 SEMICONDUCTOR DEVICE Oct 24, 17 Feb 15, 18 [H01L]
2018/0048,197 ROTOR AND PERMANENT MAGNET TYPE ROTATING ELECTRICAL MACHINE Jun 28, 17 Feb 15, 18 [H02K]
2018/0040,346 METHOD FOR PRODUCING MAGNETIC RECORDING MEDIUM Oct 02, 17 Feb 08, 18 [C23C, G11B]
2018/0040,480 SILICON CARBIDE SEMICONDUCTOR SUBSTRATE AND METHOD OF MANUFACTURING SILICON CARBIDE SEMICONDUCTOR SUBSTRATE Aug 01, 17 Feb 08, 18 [H01L, C30B]
2018/0040,534 SEMICONDUCTOR MODULE Aug 01, 17 Feb 08, 18 [H01L]
2018/0040,687 SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE Jul 25, 17 Feb 08, 18 [H01L]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9919270 Non-catalytic denitration device and non-catalytic denitration method Oct 30, 14 Mar 20, 18 [F23G, F23J, B01D]
9920998 Air cooled condenser and power generating apparatus provided with the same Jan 23, 13 Mar 20, 18 [F01K, F28D, F28F, F28B]
9922484 Coin processing apparatus Nov 29, 16 Mar 20, 18 [G07D]
9922485 Coin processing apparatus Oct 03, 16 Mar 20, 18 [G07D]
9922822 Silicon carbide semiconductor device and manufacturing method of silicon carbide semiconductor device Jan 08, 16 Mar 20, 18 [H01L]
9922858 Semiconductor device manufacturing method Aug 07, 15 Mar 20, 18 [B32B, H01L]
9923062 Silicon carbide semiconductor device and method of manufacturing a silicon carbide semiconductor device Mar 01, 16 Mar 20, 18 [H01L]
9915961 Semiconductor device drive method Sep 04, 15 Mar 13, 18 [G01K, H01L, G05F]
9917031 Semiconductor device, and method for assembling semiconductor device Oct 08, 15 Mar 13, 18 [H01L]
9917552 Offset correction circuit and transconductance proportional current generation circuit Mar 02, 17 Mar 13, 18 [H03F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2017/0271,079 CAPACITOR CONNECTION STRUCTURE OF POWER CONVERSION DEVICE AND METHOD FOR CONNECTING CAPACITOR GROUP Abandoned Jan 23, 17 Sep 21, 17 [H01G]
2017/0154,762 TRAP REPLACEMENT MECHANISM AND MICROPARTICLE COMPOSITION ANALYZING APPARATUS Abandoned Oct 25, 16 Jun 01, 17 [B23P, H01J]
2017/0156,226 POWER CONVERTER Abandoned Sep 26, 16 Jun 01, 17 [H05K]
2016/0295,690 SEMICONDUCTOR DEVICE Abandoned Mar 07, 16 Oct 06, 16 [H05K, H02M]
2016/0265,501 SEMICONDUCTOR DEVICE Abandoned Mar 07, 16 Sep 15, 16 [F02P, H03K]
2016/0211,201 MANUFACTURING AND EVALUATION METHOD OF A SEMICONDUCTOR DEVICE Abandoned Mar 28, 16 Jul 21, 16 [H01L]
2016/0204,188 HIGH BREAKDOWN VOLTAGE PASSIVE ELEMENT AND HIGH BREAKDOWN VOLTAGE PASSIVE ELEMENT MANUFACTURING METHOD Abandoned Dec 04, 15 Jul 14, 16 [H01L]
2016/0197,545 CURRENT DETECTOR AND POWER CONVERSION DEVICE Abandoned Mar 11, 16 Jul 07, 16 [G01R, H02M]
2016/0030,882 GAS ABSORPTION TOWER, METHOD FOR MANUFACTURING A GAS ABSORPTION TOWER, AND VESSEL Abandoned Oct 09, 15 Feb 04, 16 [B01D]
2016/0036,248 PARALLEL MONITORING CIRCUIT FOR CAPACITOR Abandoned Oct 09, 15 Feb 04, 16 [H02J]
2016/0005,881 STACKED FILMS AND METHOD FOR PRODUCING STACKED FILMS Abandoned Sep 11, 15 Jan 07, 16 [H01L]
9229461 Integrated circuit and semiconductor device Withdrawn Aug 12, 13 Jan 05, 16 [H01L, G05F]
2015/0377,970 CONTROL DEVICE AND ELECTRIC MOTOR DRIVING DEVICE Abandoned Sep 04, 15 Dec 31, 15 [G01R]
2015/0364,913 LOAD DRIVING CIRCUIT Abandoned May 11, 15 Dec 17, 15 [H02H]
2015/0348,694 COOLING STRUCTURE FOR MAGNETIC COMPONENT AND POWER CONVERTER PROVIDED THEREWITH Abandoned Aug 11, 15 Dec 03, 15 [H01F]
2015/0331,019 CURRENT MEASUREMENT DEVICE Abandoned Jul 22, 14 Nov 19, 15 [G01R]
2015/0322,242 NANOCOMPOSITE RESIN COMPOSITION Abandoned May 12, 14 Nov 12, 15 [C08K]
2015/0318,502 TRANSPARENT ORGANIC THIN-FILM TRANSISTOR AND METHOD FOR MANUFACTURING SAME Abandoned Dec 25, 13 Nov 05, 15 [H01L]
2015/0301,076 SENSITIVITY INSPECTION SYSTEM AND SENSITIVITY INSPECTION METHOD Abandoned Mar 25, 15 Oct 22, 15 [G01P]
2015/0270,755 ROTOR FOR GENERATOR Abandoned Sep 26, 13 Sep 24, 15 [H02K]

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