Assignee profile:

NITTO KOHKI CO., LTD.

City:

Tokyo

Country:

Japan

Published Applications:

109

Last publication date:

2025-07-24

Patent Grants:

102

Last grant date:

2025-09-23

Top Inventors for applications by NITTO KOHKI CO., LTD.

These are the the leading inventors for applications assigned to NITTO KOHKI CO., LTD.:

Recent patent applications by NITTO KOHKI CO., LTD.

NITTO KOHKI CO., LTD. based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2025-07-24
US20250237211A1
Mechanical engineering

DIAPHRAGM PUMP

#2 | 2025-05-29
US20250172215A1
Mechanical engineering

CHECK VALVE

#3 | 2025-04-03
US20250108519A1
Performing operations; transporting

SUCTION HOLDING APPARATUS FOR ROBOT

#4 | 2024-08-08 ✅ Patent 12,422,076 granted on 2025-09-23
US20240263728A1
Mechanical engineering

PIPE JOINT ASSEMBLY

#5 | 2024-08-08
US20240261928A1
Performing operations; transporting

POWER TOOL

#6 | 2024-04-04
US20240110611A1
Mechanical engineering

VIBRATION ISOLATION STRUCTURE

#7 | 2024-01-18 ✅ Patent 12,498,067 granted on 2025-12-16
US20240019062A1
Mechanical engineering

PIPING MEMBER

#8 | 2023-07-06 ✅ Patent 12,305,633 granted on 2025-05-20
US20230213028A1
Mechanical engineering

Pump

#9 | 2022-08-11 ✅ Patent 12,129,897 granted on 2024-10-29
US20220252113A1
Mechanical engineering

Clutch mechanism and power tool

#10 | 2022-06-30 ✅ Patent 11,873,933 granted on 2024-01-16
US20220205571A1
Mechanical engineering

Pipe coupling member

#11 | 2021-11-25 ✅ Patent 11,530,768 granted on 2022-12-20
US20210364113A1
Mechanical engineering

Pipe coupling having valve element and coil spring for use therein

#12 | 2021-09-09 ✅ Patent 11,761,566 granted on 2023-09-19
US20210278022A1
Mechanical engineering

Connecting pipe

#13 | 2021-09-09 ✅ Patent 11,795,939 granted on 2023-10-24
US20210277887A1
Mechanical engineering

Pump installation member

#14 | 2020-10-08
US20200318771A1
Mechanical engineering

FLUID APPARATUS AND BUFFER TANK FOR USE THEREIN

#15 | 2020-10-08 ✅ Patent 11,486,373 granted on 2022-11-01
US20200318627A1
Mechanical engineering

Pump

#16 | 2020-10-08 ✅ Patent 11,701,766 granted on 2023-07-18
US20200316764A1
Performing operations; transporting

Tool, and control circuit and control method therefor

#17 | 2020-03-05 ✅ Patent 10,876,664 granted on 2020-12-29
US20200072400A1
Mechanical engineering

Female pipe coupling member having communication terminal

#18 | 2019-08-29 ✅ Patent 11,077,539 granted on 2021-08-03
US20190262979A1
Performing operations; transporting

Electric motor-driven tool, and control device and control circuit therefor

#19 | 2019-08-15 ✅ Patent 11,085,434 granted on 2021-08-10
US20190249656A1
Mechanical engineering

Liquid pump

#20 | 2019-03-28 ✅ Patent 10,724,666 granted on 2020-07-28
US20190093810A1
Mechanical engineering

Coupling member

#21 | 2019-03-28 ✅ Patent 10,663,099 granted on 2020-05-26
US20190093809A1
Mechanical engineering

Pipe coupling comprising female coupling member and male coupling member

#22 | 2019-01-24 ✅ Patent 11,105,453 granted on 2021-08-31
US20190024835A1
Mechanical engineering

Pipe coupling member having valve element and coil spring for use therein

#23 | 2018-10-04 ✅ Patent 11,118,717 granted on 2021-09-14
US20180283594A1
Mechanical engineering

Male coupling member

#24 | 2018-10-04 ✅ Patent 10,661,418 granted on 2020-05-26
US20180281160A1
Performing operations; transporting

Threaded member tightening tool and drive time setting method for threaded member tightening tool

#25 | 2018-09-27 ✅ Patent 10,487,949 granted on 2019-11-26
US20180274684A1
Mechanical engineering

Coupling member

#26 | 2018-08-16 ✅ Patent 10,918,977 granted on 2021-02-16
US20180229159A1
Performing operations; transporting

Suction nozzle and fluid recovery apparatus

#27 | 2018-07-26 ✅ Patent 10,234,050 granted on 2019-03-19
US20180209557A1
Mechanical engineering

Check valve

#28 | 2018-07-05 ✅ Patent 10,967,487 granted on 2021-04-06
US20180185993A1
Performing operations; transporting

Threaded member tightening tool and counting apparatus

#29 | 2018-05-31 ✅ Patent 11,052,528 granted on 2021-07-06
US20180147712A1
Performing operations; transporting

Power tool

#30 | 2017-11-23 ✅ Patent 10,514,121 granted on 2019-12-24
US20170336005A1
Mechanical engineering

Emergency detachable pipe coupling

#31 | 2017-10-26 ✅ Patent 10,415,734 granted on 2019-09-17
US20170307121A1
Mechanical engineering

Pipe coupling

#32 | 2016-08-25 ✅ Patent 10,130,544 granted on 2018-11-20
US20160242984A1
Human necessities

Pneumatic massage apparatus for treatment of edema and method for massaging patient's body with the apparatus

#33 | 2016-08-04 ✅ Patent 9,715,812 granted on 2017-07-25
US20160225247A1
Physics

Motor-driven screwdriver operation information indicator and motor-driven screwdriver with operation information indicating function

#34 | 2016-08-04 ✅ Patent 9,707,670 granted on 2017-07-18
US20160221165A1
Performing operations; transporting

Motor-driven screwdriver

#35 | 2016-05-12 ✅ Patent 10,030,783 granted on 2018-07-24
US20160131273A1
Mechanical engineering

Check valve and receptacle structure

#36 | 2016-01-21 ✅ Patent 9,739,386 granted on 2017-08-22
US20160018013A1
Mechanical engineering

Check valve element and check valve using the same

#37 | 2015-12-31 ✅ Patent 9,777,869 granted on 2017-10-03
US20150377398A1
Mechanical engineering

Female coupling member suitable for handling high-pressure fluid and pipe coupling having female coupling member

#38 | 2015-12-17 ✅ Patent 9,511,468 granted on 2016-12-06
US20150360339A1
Performing operations; transporting

Belt-type grinding tool

#39 | 2015-09-24 ✅ Patent 9,528,649 granted on 2016-12-27
US20150267851A1
Mechanical engineering

Female joint having safety function

#40 | 2015-07-09 ✅ Patent 9,902,051 granted on 2018-02-27
US20150190910A1
Performing operations; transporting

Electric screwdriver

#41 | 2015-05-21 ✅ Patent 9,931,270 granted on 2018-04-03
US20150141887A1
Human necessities

Electromagnetic valve system

#42 | 2014-07-03 ✅ Patent 9,121,534 granted on 2015-09-01
US20140183859A1
Mechanical engineering

Pipe coupling and coupling member thereof

#43 | 2012-12-20 ✅ Patent 9,604,284 granted on 2017-03-28
US20120320479A1
Performing operations; transporting

Portable drilling machine

#44 | 2012-07-19 ✅ Patent 8,590,860 granted on 2013-11-26
US20120180891A1
Mechanical engineering

Male joint member for pipe joint

#45 | 2011-12-08 ✅ Patent 8,297,374 granted on 2012-10-30
US20110297412A1
Performing operations; transporting

Rotationally driven air tool

#46 | 2011-11-24 ✅ Patent 8,297,310 granted on 2012-10-30
US20110284109A1
Mechanical engineering

Air pump

#47 | 2011-11-17 ✅ Patent 8,727,753 granted on 2014-05-20
US20110280752A1
Mechanical engineering

Air pump

#48 | 2011-11-17 ✅ Patent 8,770,951 granted on 2014-07-08
US20110280751A1
Mechanical engineering

Air pump

#49 | 2011-11-10 ✅ Patent 8,529,225 granted on 2013-09-10
US20110274571A1
Mechanical engineering

Electromagnetic reciprocating fluid device

#50 | 2011-10-27 ✅ Patent 8,672,659 granted on 2014-03-18
US20110262289A1
Mechanical engineering

Vane air motor with prevention of leaking radial bearing grease

#51 | 2011-08-18 ✅ Patent 8,864,179 granted on 2014-10-21
US20110198841A1
Mechanical engineering

Pipe coupling apparatus

#52 | 2011-03-24 ✅ Patent 8,534,964 granted on 2013-09-17
US20110070041A1
Performing operations; transporting

Drilling device with oil supply unit

#53 | 2011-02-17 ✅ Patent 8,186,649 granted on 2012-05-29
US20110037254A1
Mechanical engineering

Female coupling member and male coupling member

#54 | 2011-01-13 ✅ Patent 8,747,191 granted on 2014-06-10
US20110009038A1
Performing operations; transporting

Endless belt type grinding tool

#55 | 2010-12-30 ✅ Patent 8,469,406 granted on 2013-06-25
US20100327574A1
Mechanical engineering

Socket for pipe joint and pipe joint

#56 | 2010-12-23 ✅ Patent 8,256,803 granted on 2012-09-04
US20100320747A1
Mechanical engineering

Socket for pipe joint and pipe joint

#57 | 2010-08-12 ✅ Patent 8,246,085 granted on 2012-08-21
US20100201123A1
Mechanical engineering

Pipe coupling and female pipe coupling member

#58 | 2010-08-12 ✅ Patent 8,353,361 granted on 2013-01-15
US20100200259A1
Performing operations; transporting

Pneumatic tool

#59 | 2010-07-22 ✅ Patent 9,151,414 granted on 2015-10-06
US20100181764A1
Mechanical engineering

Coupling apparatus with adjustably supported pipe joint member

#60 | 2010-05-06 ✅ Patent 8,342,202 granted on 2013-01-01
US20100108162A1
Mechanical engineering

Pipe coupling member for high-pressure fluid

#61 | 2010-03-04 ✅ Patent 8,196,606 granted on 2012-06-12
US20100051129A1
Mechanical engineering

Coupling member for pipe coupling

#62 | 2010-01-28 ✅ Patent 7,926,855 granted on 2011-04-19
US20100019493A1
Mechanical engineering

Coupling, and socket and plug for use in the coupling

#63 | 2009-11-19 ✅ Patent 7,874,313 granted on 2011-01-25
US20090283162A1
Mechanical engineering

Pipe coupling

#64 | 2009-09-24 ✅ Patent 8,231,559 granted on 2012-07-31
US20090240179A1
Human necessities

Pneumatic massage device

#65 | 2009-08-20 ✅ Patent 7,866,628 granted on 2011-01-11
US20090205726A1
Mechanical engineering

Pipe coupling

#66 | 2009-08-06 ✅ Patent 7,936,142 granted on 2011-05-03
US20090196696A1
Performing operations; transporting

Portable drilling device

#67 | 2009-06-25 ✅ Patent 8,152,491 granted on 2012-04-10
US20090162224A1
Mechanical engineering

Pump using unimorph diaphragm

#68 | 2009-06-18 ✅ Patent 8,162,635 granted on 2012-04-24
US20090155105A1
Mechanical engineering

Low vibration pump

#69 | 2009-05-28 ✅ Patent 7,717,772 granted on 2010-05-18
US20090137194A1
Performing operations; transporting

Polishing tool

#70 | 2009-05-26 ✅ Patent 7,537,246 granted on 2009-05-26
US10808067
-

Pipe coupler

#71 | 2009-05-21 ✅ Patent 7,862,267 granted on 2011-01-04
US20090129880A1
Performing operations; transporting

Rotary cutting machine

#72 | 2009-04-30 ✅ Patent 7,677,325 granted on 2010-03-16
US20090107690A1
Performing operations; transporting

Pneumatic tool

#73 | 2009-03-26 ✅ Patent 8,007,256 granted on 2011-08-30
US20090081058A1
Mechanical engineering

Electromagnetic reciprocating fluid device

#74 | 2009-02-05 ✅ Patent 7,722,010 granted on 2010-05-25
US20090033086A1
Mechanical engineering

Valve holding member

#75 | 2009-01-29 ✅ Patent 7,641,239 granted on 2010-01-05
US20090026762A1
Mechanical engineering

Assembly of male and female members

#76 | 2008-11-20 ✅ Patent 7,494,306 granted on 2009-02-24
US20080286063A1
Performing operations; transporting

Rotary cutting machine

#77 | 2008-08-21 ✅ Patent 7,588,098 granted on 2009-09-15
US20080196914A1
Electricity

Controller for use with an electric screwdriver

#78 | 2008-01-17 ✅ Patent 7,669,612 granted on 2010-03-02
US20080011369A1
Mechanical engineering

Pipe coupling and male coupling member

#79 | 2008-01-10 ✅ Patent 7,494,281 granted on 2009-02-24
US20080008547A1
Mechanical engineering

Slide type guide mechanism

#80 | 2008-01-03 ✅ Patent 7,661,725 granted on 2010-02-16
US20080001395A1
Mechanical engineering

Coupling and socket thereof

#81 | 2007-11-15 ✅ Patent 7,472,888 granted on 2009-01-06
US20070262281A1
Performing operations; transporting

Valve holding member

#82 | 2007-10-25 ✅ Patent 7,708,029 granted on 2010-05-04
US20070246107A1
Mechanical engineering

Coupling member of pipe coupling

#83 | 2007-10-04 ✅ Patent 7,963,751 granted on 2011-06-21
US20070228312A1
Mechanical engineering

Electromagnetic reciprocating fluid device

#84 | 2007-08-30 ✅ Patent 7,497,231 granted on 2009-03-03
US20070199597A1
Mechanical engineering

Female coupling member of pipe coupling

#85 | 2007-07-19 ✅ Patent 7,464,769 granted on 2008-12-16
US20070163357A1
Electricity

Electric screwdriver and a controller thereof

#86 | 2007-07-05
US20070154273A1
Performing operations; transporting

Chip breaker for annular cutter

#87 | 2007-04-19 ✅ Patent 7,331,813 granted on 2008-02-19
US20070087612A1
Mechanical engineering

Plug-socket assembly

#88 | 2006-12-21 ✅ Patent 7,452,006 granted on 2008-11-18
US20060284418A1
Mechanical engineering

Pipe joint and socket for pipe joint

#89 | 2006-10-10 ✅ Patent 7,118,089 granted on 2006-10-10
US10718684
-

Fluid coupler

#90 | 2006-09-28 ✅ Patent 7,932,647 granted on 2011-04-26
US20060216170A1
Mechanical engineering

Electromagnetic reciprocating fluid apparatus

#91 | 2006-08-24 ✅ Patent 7,370,561 granted on 2008-05-13
US20060185481A1
Performing operations; transporting

Electric driver

#92 | 2006-06-08 ✅ Patent 7,549,445 granted on 2009-06-23
US20060118184A1
Mechanical engineering

Female coupling member of a pipe coupling

#93 | 2006-05-25 ✅ Patent 7,143,840 granted on 2006-12-05
US20060108134A1
Performing operations; transporting

Impact tool

#94 | 2006-05-25 ✅ Patent 7,306,007 granted on 2007-12-11
US20060108009A1
Mechanical engineering

Pipe coupling including ball valve

#95 | 2006-03-21 ✅ Patent 7,013,986 granted on 2006-03-21
US10843117
-

Impact tool

#96 | 2006-02-21 ✅ Patent 7,001,117 granted on 2006-02-21
US10659419
-

Rotary cutting apparatus

#97 | 2005-06-14 ✅ Patent 6,904,944 granted on 2005-06-14
US10384365
-

Fuel filling device and fuel leakage detection method

#98 | 2005-06-07 ✅ Patent 6,902,038 granted on 2005-06-07
US10268955
-

Oil drain plug of engine

#99 | 2005-05-31 ✅ Patent 6,899,132 granted on 2005-05-31
US10745670
-

Fluid coupler

#100 | 2005-05-12 ✅ Patent 7,028,983 granted on 2006-04-18
US20050098753A1
Mechanical engineering

Coupling member of a pipe coupling and valve body used in a coupling member

Also check out NITTO KOHKI CO., LTD.'s (Tokyo, Japan) applicant profile with 38 patent applications submitted.

AssigneeID:

69975 ⎘