Hitachi Koki Co., Ltd.

Centrifuge and centrifuge rotor for suppressing buoyancy

#2 | 2018-12-06

US20180345433A1

ELECTRICALLY POWERED TOOL

#3 | 2018-07-26

US20180212283A1

BATTERY PACK

#4 | 2018-07-19

US20180199506A1

SELF-PROPELLED GRASS MOWER AND SELF-PROPELLED WHEELED APPARATUS

#5 | 2018-07-05 ✅ Patent 10,547,186 granted on 2020-01-28

US20180191183A1

Charging apparatus

#6 | 2018-05-24 ✅ Patent 10,551,442 granted on 2020-02-04

US20180143256A1

Physics

Battery diagnosis device and battery pack

#7 | 2018-05-17 ✅ Patent 10,875,166 granted on 2020-12-29

US20180133877A1

Driving machine

#8 | 2018-05-17 ✅ Patent 10,625,354 granted on 2020-04-21

US20180133822A1

Automated dressing unit for a chain saw

#9 | 2018-04-26

US20180111259A1

POWER TOOL

#10 | 2018-04-12 ✅ Patent 10,596,679 granted on 2020-03-24

US20180099372A1

Electric tool

#11 | 2018-02-08

US20180036870A1

DRIVING MACHINE

#12 | 2018-01-18 ✅ Patent 10,280,827 granted on 2019-05-07

US20180016964A1

Engine and engine-driven working machine

#13 | 2018-01-18 ✅ Patent 10,718,243 granted on 2020-07-21

US20180016956A1

Engine and engine-driven working machine

#14 | 2017-11-30 ✅ Patent 10,525,579 granted on 2020-01-07

US20170341213A1

Electric tool

#15 | 2017-11-02

US20170312902A1

POWERED WORKING MACHINE

#16 | 2017-09-14 ✅ Patent 10,666,168 granted on 2020-05-26

US20170264219A1

Electric tool

#17 | 2017-09-07 ✅ Patent 10,260,453 granted on 2019-04-16

US20170254293A1

Two-cycle engine and engine work machine

#18 | 2017-08-31 ✅ Patent 10,569,405 granted on 2020-02-25

US20170246736A1

Impact tool

#19 | 2017-07-27 ✅ Patent 10,569,402 granted on 2020-02-25

US20170209995A1

Driving machine

#20 | 2017-07-06 ✅ Patent 10,498,206 granted on 2019-12-03

US20170194846A1

Electric tool

#21 | 2017-07-06 ✅ Patent 10,625,407 granted on 2020-04-21

US20170190037A1

Driving machine

#22 | 2017-07-06 ✅ Patent 11,123,846 granted on 2021-09-21

US20170190027A1

Electric tool

#23 | 2017-06-15

US20170165824A1

ELECTRIC TOOL

#24 | 2017-05-25

US20170144278A1

IMPACT TOOL

#25 | 2017-05-18 ✅ Patent 10,173,311 granted on 2019-01-08

US20170136614A1

Electric tool

#26 | 2017-02-23 ✅ Patent 10,046,335 granted on 2018-08-14

US20170050196A1

Centrifuge for pivoting the rotating shafts of the sample container and swing rotor for centrifuge

#27 | 2017-02-16

US20170047618A1

CELL PACK, CHARGING DEVICE AND ELECTRIC TOOL

#28 | 2017-02-16 ✅ Patent 10,632,605 granted on 2020-04-28

US20170043466A1

Work tool

#29 | 2017-02-09

US20170036327A1

ELECTRIC TOOL

#30 | 2016-12-01 ✅ Patent 9,940,813 granted on 2018-04-10

US20160351039A1

Physics

Abnormality reporting system and electric tool, and communication terminal

#31 | 2016-11-03

US20160318163A1

IMPACT TOOL

#32 | 2016-07-28 ✅ Patent 9,757,739 granted on 2017-09-12

US20160214118A1

Centrifuge with sample bucket having grooves and swing rotor for the same

#33 | 2016-07-14 ✅ Patent 9,768,713 granted on 2017-09-19

US20160204718A1

Electric tool

#34 | 2016-07-14 ✅ Patent 9,561,548 granted on 2017-02-07

US20160199972A1

Electric tool

#35 | 2016-07-07 ✅ Patent 9,793,847 granted on 2017-10-17

US20160197573A1

Electric power tool

#36 | 2016-07-07 ✅ Patent 10,099,303 granted on 2018-10-16

US20160193673A1

Electric power tool

#37 | 2016-06-02 ✅ Patent 10,016,885 granted on 2018-07-10

US20160151904A1

Impact tool

#38 | 2016-05-26

US20160144411A1

WASHER

#39 | 2016-05-05 ✅ Patent 9,731,301 granted on 2017-08-15

US20160121342A1

Swing rotor with holding pins fixed to branch arms and having connection part connecting the branch arms for centrifuge and centrifuge

#40 | 2016-02-25 ✅ Patent 9,808,925 granted on 2017-11-07

US20160052119A1

Impact tool

#41 | 2016-02-18 ✅ Patent 9,893,343 granted on 2018-02-13

US20160049636A1

Battery pack and electric device

#42 | 2016-01-28 ✅ Patent 9,955,627 granted on 2018-05-01

US20160021819A1

Electric working machine

#43 | 2015-12-24

US20150367490A1

POWER TOOL

#44 | 2015-12-17 ✅ Patent 9,871,424 granted on 2018-01-16

US20150364973A1

Electric tool

#45 | 2015-12-10 ✅ Patent 9,774,017 granted on 2017-09-26

US20150357612A1

Electric device body and electric device

#46 | 2015-12-10 ✅ Patent 10,035,253 granted on 2018-07-31

US20150352706A1

Portable work tool

#47 | 2015-11-12 ✅ Patent 9,381,665 granted on 2016-07-05

US20150321377A1

Chainsaw

#48 | 2015-10-15 ✅ Patent 9,769,990 granted on 2017-09-26

US20150289451A1

Power tool

#49 | 2015-10-08 ✅ Patent 10,536,056 granted on 2020-01-14

US20150288259A1

Electric power tool

#50 | 2015-10-01 ✅ Patent 9,596,776 granted on 2017-03-14

US20150282356A1

Electrical apparatus

#51 | 2015-09-10 ✅ Patent 9,496,536 granted on 2016-11-15

US20150255773A1

Backpack-type power supply

#52 | 2015-09-03 ✅ Patent 9,950,376 granted on 2018-04-24

US20150246400A1

Miter saw having dust proof structure for bearing which allows cutting unit to move in parallel to base surface

#53 | 2015-08-27 ✅ Patent 10,027,196 granted on 2018-07-17

US20150244226A1

Electric tool

#54 | 2015-08-13

US20150228940A1

Backpack-Type Power Supply

#55 | 2015-08-06

US20150222212A1

ELECTRIC POWER TOOL

#56 | 2015-07-30 ✅ Patent 9,970,445 granted on 2018-05-15

US20150211535A1

Portable blower

#57 | 2015-07-23

US20150202755A1

DRIVER

#58 | 2015-07-02 ✅ Patent 9,670,837 granted on 2017-06-06

US20150184595A1

Engine-powered work tool provided with wind governor that performs ignition control

#59 | 2015-07-02 ✅ Patent 10,086,529 granted on 2018-10-02

US20150183125A1

Power planer configured to restrain heat generation of control portion

#60 | 2015-07-02 ✅ Patent 9,669,536 granted on 2017-06-06

US20150183107A1

Powered working machine

#61 | 2015-06-25 ✅ Patent 9,636,762 granted on 2017-05-02

US20150174674A1

Desk-top cutting machine

#62 | 2015-06-25 ✅ Patent 9,656,275 granted on 2017-05-23

US20150174592A1

Centrifuge having a stopping step between centrifuging steps

#63 | 2015-06-18 ✅ Patent 10,320,214 granted on 2019-06-11

US20150171654A1

Power tool

#64 | 2015-06-04 ✅ Patent 10,377,022 granted on 2019-08-13

US20150151415A1

Power tool anvil lock mechanism

#65 | 2015-04-02 ✅ Patent 9,669,529 granted on 2017-06-06

US20150090758A1

Driving tool with push lever configured to contact housing

#66 | 2015-03-26 ✅ Patent 9,917,452 granted on 2018-03-13

US20150084591A1

Battery charger capable of efficiently cooling secondary battery in battery pack and charging circuit unit in battery charger

#67 | 2015-03-26

US20150083451A1

POWER TOOL

#68 | 2015-03-19 ✅ Patent 9,982,665 granted on 2018-05-29

US20150078935A1

Air compressor with improved cooling performance

#69 | 2015-03-19 ✅ Patent 9,236,588 granted on 2016-01-12

US20150075831A1

Battery pack and power tool provided with the same

#70 | 2015-02-19

US20150047866A1

ELECTRIC TOOL AND FASTENING METHOD USING THE SAME

#71 | 2015-02-19 ✅ Patent 9,322,344 granted on 2016-04-26

US20150047604A1

Engine-powered work tool provided with wind governor

#72 | 2015-02-19 ✅ Patent 9,357,702 granted on 2016-06-07

US20150047210A1

Engine-powered work tool provided with stand

#73 | 2015-02-12 ✅ Patent 9,693,470 granted on 2017-06-27

US20150043138A1

Electric device with surrounding protective frame

#74 | 2015-02-05 ✅ Patent 9,636,840 granted on 2017-05-02

US20150038275A1

Chain saw

#75 | 2015-02-05 ✅ Patent 9,415,453 granted on 2016-08-16

US20150033564A1

Reciprocating tool

#76 | 2015-01-29 ✅ Patent 9,808,872 granted on 2017-11-07

US20150026985A1

Portable electric cutter

#77 | 2015-01-15 ✅ Patent 9,882,452 granted on 2018-01-30

US20150015094A1

Power tool having circuit board

#78 | 2014-12-18 ✅ Patent 9,496,809 granted on 2016-11-15

US20140368133A1

Electric working machine

#79 | 2014-12-04 ✅ Patent 10,549,396 granted on 2020-02-04

US20140352995A1

Electric power tool

#80 | 2014-11-27

US20140349826A1

CENTRIFUGE

#81 | 2014-11-27 ✅ Patent 9,486,867 granted on 2016-11-08

US20140345149A1

Chainsaw

#82 | 2014-10-30

US20140321034A1

BATTERY PACK AND ELECTRICAL APPARATUS

#83 | 2014-10-23 ✅ Patent 9,967,920 granted on 2018-05-08

US20140313706A1

Electric device outputting light, wind, heat or sound

#84 | 2014-10-02 ✅ Patent 9,517,475 granted on 2016-12-13

US20140296051A1

Centrifuge with overlapping metal plate

#85 | 2014-10-02

US20140295257A1

BATTERY PACK AND ELECTRIC DEVICE

#86 | 2014-10-02 ✅ Patent 9,748,534 granted on 2017-08-29

US20140294483A1

Electric tool and battery pack for the electric tool

#87 | 2014-09-18 ✅ Patent 9,249,715 granted on 2016-02-02

US20140261255A1

Air cooled engine and engine-powered work tool

#88 | 2014-09-04

US20140248519A1

BATTERY PACK AND ELECTRIC DEVICE

#89 | 2014-08-28 ✅ Patent 9,680,349 granted on 2017-06-13

US20140239751A1

Power tool with substrate having apertures for cooling coils and switching elements

#90 | 2014-08-21 ✅ Patent 9,759,176 granted on 2017-09-12

US20140230787A1

Engine and engine-operated working machine

#91 | 2014-08-07 ✅ Patent 9,140,175 granted on 2015-09-22

US20140216370A1

Engine and engine-operated working machine

#92 | 2014-07-31 ✅ Patent 9,539,649 granted on 2017-01-10

US20140209341A1

Power tool and method for producing the same

#93 | 2014-07-03 ✅ Patent 9,518,587 granted on 2016-12-13

US20140186193A1

Air compressor

#94 | 2014-06-26 ✅ Patent 9,505,120 granted on 2016-11-29

US20140174778A1

Power tool

#95 | 2014-06-12

US20140158740A1

Fastening Tool

#96 | 2014-06-12

US20140158390A1

ELECTRIC TOOL

#97 | 2014-06-05 ✅ Patent 9,345,156 granted on 2016-05-17

US20140153171A1

Power supply device

#98 | 2014-06-05

US20140151080A1

ELECTRIC POWER TOOL

#99 | 2014-05-29

US20140145524A1

ELECTRIC POWER TOOL

#100 | 2014-05-22 ✅ Patent 9,590,475 granted on 2017-03-07

US20140139055A1