HITACHI KOKI CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B25C HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY -OPERATED PORTABLE STAPLING TOOLS 955
 
 
 
B25F COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR 694
 
 
 
B04B CENTRIFUGES 633
 
 
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING617
 
 
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 4773
 
 
 
H02K DYNAMO-ELECTRIC MACHINES 4563
 
 
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 448
 
 
 
B25D PERCUSSIVE TOOLS 426
 
 
 
H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, GENERATORS, OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS 3850
 
 
 
B27B SAWS; COMPONENTS OR ACCESSORIES THEREFOR 3610

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0071,843 Power ToolFeb 26, 16Mar 15, 18[H02P, B25F, B23D, H02K]
2018/0050,398 Power ToolFeb 26, 16Feb 22, 18[B23D]
2018/0048,173 Power ToolNov 27, 15Feb 15, 18[B25F, H01M, H02J]
2018/0036,870 DRIVING MACHINEFeb 19, 16Feb 08, 18[B25C]
2018/0021,865 PORTABLE ELECTRIC CUTTEROct 02, 17Jan 25, 18[B25F, B23D]
2018/0021,931 IMPACT TOOLJan 08, 16Jan 25, 18[B25D]
2018/0015,603 IMPACT TOOLJan 08, 16Jan 18, 18[B25D]
2018/0016,956 ENGINE AND ENGINE-DRIVEN WORKING MACHINEJan 29, 16Jan 18, 18[F01N, F01P, F02F]
2018/0016,964 ENGINE AND ENGINE-DRIVEN WORKING MACHINEFeb 26, 16Jan 18, 18[F01N, F01P, F02B]
2018/0001,444 WORK MACHINEJan 08, 16Jan 04, 18[B25B, B25F]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9917452 Battery charger capable of efficiently cooling secondary battery in battery pack and charging circuit unit in battery chargerJul 08, 14Mar 13, 18[H05K, H02J]
D811453 Table circular sawApr 27, 16Feb 27, 18[1507]
9893343 Battery pack and electric deviceFeb 28, 14Feb 13, 18[H01M, H02J]
9882452 Power tool having circuit boardOct 02, 14Jan 30, 18[B25B, H02P, B25F, H02K]
9876201 Electric working machine and electric working machine systemAug 20, 13Jan 23, 18[H01M, A01D]
9869327 Portable blowerAug 15, 13Jan 16, 18[F04D, A01G, A47L]
9871424 Electric toolJan 31, 14Jan 16, 18[B25F, H01K, H02K]
D804924 Trigger for nailerAug 10, 16Dec 12, 17[0805]
9833890 Electric tool and communication plug for electric toolMay 18, 12Dec 05, 17[B25B, B25F, H02K]
9816431 Stratified scavenging two-cycle engineApr 23, 12Nov 14, 17[F02B, F02F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0273,467 ENGINE WORKING MACHINEABANNov 13, 13Sep 22, 16[F02M, F02B, F02D]
2016/0243,634 RECIPROCATING TOOLABANOct 03, 14Aug 25, 16[B23D]
2016/0201,598 ENGINE AND ENGINE OPERATING MACHINE HAVING THE ENGINEABANJul 25, 14Jul 14, 16[F02B, F02F]
2016/0193,713 GRINDERABANJul 25, 14Jul 07, 16[B24B]
2016/0144,411 WASHERABANAug 07, 14May 26, 16[B08B]
2016/0016,207 WASHING DEVICE, HIGH-PRESSURE WASHING DEVICE, AND ADAPTERABANFeb 14, 13Jan 21, 16[F16L, B08B]
2015/0367,495 POWER TOOLABANJan 31, 14Dec 24, 15[B24B, B25F]
2015/0311,730 Charging DeviceABANDec 09, 13Oct 29, 15[H02J]
2015/0231,771 Power ToolABANJul 19, 13Aug 20, 15[B25B]
2015/0236,536 Charging DeviceABANSep 27, 13Aug 20, 15[H02J]
2015/0222,212 ELECTRIC POWER TOOLABANSep 27, 13Aug 06, 15[H02P]
2015/0202,755 DRIVERABANSep 24, 13Jul 23, 15[B25C]
2015/0190,908 Rotational Impact ToolABANJun 03, 13Jul 09, 15[B25B]
2015/0194,647 Backpack-Type Power SupplyABANJul 04, 13Jul 09, 15[H01M]
2015/0184,596 ENGINE-POWERED WORK TOOL PROVIDED WITH WIND GOVERNOR AND MECHANISM FOR INCREASING ENGINE OUTPUTABANDec 22, 14Jul 02, 15[F01P, F02B, F02D]
2015/0083,451 POWER TOOLABANMar 04, 13Mar 26, 15[B25B, B25D]
2015/0084,581 CHARGING DEVICE CONFIGURED TO REDUCE POWER CONSUMPTION DURING NON-CHARGING PERIODABANSep 04, 14Mar 26, 15[H02J]
2015/0078,938 AIR COMPRESSORABANAug 17, 14Mar 19, 15[F04D]
2015/0061,549 BATTERY PACK, POWER TOOL AND BATTERY CHARGERABANAug 13, 14Mar 05, 15[H02J]
2015/0057,141 CENTRIFUGE AND SYSTEM FOR MANAGING OPERATION DATA OF CENTRIFUGEABANAug 21, 14Feb 26, 15[B04B]

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Top Inventors for This Owner

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