Tokyo
Japan
109
2025-07-24
102
2025-09-23
These are the the leading inventors for applications assigned to 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:
DIAPHRAGM PUMP
#2 | 2025-05-29CHECK VALVE
#3 | 2025-04-03SUCTION HOLDING APPARATUS FOR ROBOT
#4 | 2024-08-08 ✅ Patent 12,422,076 granted on 2025-09-23PIPE JOINT ASSEMBLY
#5 | 2024-08-08POWER TOOL
#6 | 2024-04-04VIBRATION ISOLATION STRUCTURE
#7 | 2024-01-18 ✅ Patent 12,498,067 granted on 2025-12-16PIPING MEMBER
#8 | 2023-07-06 ✅ Patent 12,305,633 granted on 2025-05-20Pump
#9 | 2022-08-11 ✅ Patent 12,129,897 granted on 2024-10-29Clutch mechanism and power tool
#10 | 2022-06-30 ✅ Patent 11,873,933 granted on 2024-01-16Pipe coupling member
#11 | 2021-11-25 ✅ Patent 11,530,768 granted on 2022-12-20Pipe coupling having valve element and coil spring for use therein
#12 | 2021-09-09 ✅ Patent 11,761,566 granted on 2023-09-19Connecting pipe
#13 | 2021-09-09 ✅ Patent 11,795,939 granted on 2023-10-24Pump installation member
#14 | 2020-10-08FLUID APPARATUS AND BUFFER TANK FOR USE THEREIN
#15 | 2020-10-08 ✅ Patent 11,486,373 granted on 2022-11-01Pump
#16 | 2020-10-08 ✅ Patent 11,701,766 granted on 2023-07-18Tool, and control circuit and control method therefor
#17 | 2020-03-05 ✅ Patent 10,876,664 granted on 2020-12-29Female pipe coupling member having communication terminal
#18 | 2019-08-29 ✅ Patent 11,077,539 granted on 2021-08-03Electric motor-driven tool, and control device and control circuit therefor
#19 | 2019-08-15 ✅ Patent 11,085,434 granted on 2021-08-10Liquid pump
#20 | 2019-03-28 ✅ Patent 10,724,666 granted on 2020-07-28Coupling member
#21 | 2019-03-28 ✅ Patent 10,663,099 granted on 2020-05-26Pipe coupling comprising female coupling member and male coupling member
#22 | 2019-01-24 ✅ Patent 11,105,453 granted on 2021-08-31Pipe coupling member having valve element and coil spring for use therein
#23 | 2018-10-04 ✅ Patent 11,118,717 granted on 2021-09-14Male coupling member
#24 | 2018-10-04 ✅ Patent 10,661,418 granted on 2020-05-26Threaded member tightening tool and drive time setting method for threaded member tightening tool
#25 | 2018-09-27 ✅ Patent 10,487,949 granted on 2019-11-26Coupling member
#26 | 2018-08-16 ✅ Patent 10,918,977 granted on 2021-02-16Suction nozzle and fluid recovery apparatus
#27 | 2018-07-26 ✅ Patent 10,234,050 granted on 2019-03-19Check valve
#28 | 2018-07-05 ✅ Patent 10,967,487 granted on 2021-04-06Threaded member tightening tool and counting apparatus
#29 | 2018-05-31 ✅ Patent 11,052,528 granted on 2021-07-06Power tool
#30 | 2017-11-23 ✅ Patent 10,514,121 granted on 2019-12-24Emergency detachable pipe coupling
#31 | 2017-10-26 ✅ Patent 10,415,734 granted on 2019-09-17Pipe coupling
#32 | 2016-08-25 ✅ Patent 10,130,544 granted on 2018-11-20Pneumatic 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 2017-07-25Motor-driven screwdriver operation information indicator and motor-driven screwdriver with operation information indicating function
#34 | 2016-08-04 ✅ Patent 9,707,670 granted on 2017-07-18Motor-driven screwdriver
#35 | 2016-05-12 ✅ Patent 10,030,783 granted on 2018-07-24Check valve and receptacle structure
#36 | 2016-01-21 ✅ Patent 9,739,386 granted on 2017-08-22Check valve element and check valve using the same
#37 | 2015-12-31 ✅ Patent 9,777,869 granted on 2017-10-03Female 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 2016-12-06Belt-type grinding tool
#39 | 2015-09-24 ✅ Patent 9,528,649 granted on 2016-12-27Female joint having safety function
#40 | 2015-07-09 ✅ Patent 9,902,051 granted on 2018-02-27Electric screwdriver
#41 | 2015-05-21 ✅ Patent 9,931,270 granted on 2018-04-03Electromagnetic valve system
#42 | 2014-07-03 ✅ Patent 9,121,534 granted on 2015-09-01Pipe coupling and coupling member thereof
#43 | 2012-12-20 ✅ Patent 9,604,284 granted on 2017-03-28Portable drilling machine
#44 | 2012-07-19 ✅ Patent 8,590,860 granted on 2013-11-26Male joint member for pipe joint
#45 | 2011-12-08 ✅ Patent 8,297,374 granted on 2012-10-30Rotationally driven air tool
#46 | 2011-11-24 ✅ Patent 8,297,310 granted on 2012-10-30Air pump
#47 | 2011-11-17 ✅ Patent 8,727,753 granted on 2014-05-20Air pump
#48 | 2011-11-17 ✅ Patent 8,770,951 granted on 2014-07-08Air pump
#49 | 2011-11-10 ✅ Patent 8,529,225 granted on 2013-09-10Electromagnetic reciprocating fluid device
#50 | 2011-10-27 ✅ Patent 8,672,659 granted on 2014-03-18Vane air motor with prevention of leaking radial bearing grease
#51 | 2011-08-18 ✅ Patent 8,864,179 granted on 2014-10-21Pipe coupling apparatus
#52 | 2011-03-24 ✅ Patent 8,534,964 granted on 2013-09-17Drilling device with oil supply unit
#53 | 2011-02-17 ✅ Patent 8,186,649 granted on 2012-05-29Female coupling member and male coupling member
#54 | 2011-01-13 ✅ Patent 8,747,191 granted on 2014-06-10Endless belt type grinding tool
#55 | 2010-12-30 ✅ Patent 8,469,406 granted on 2013-06-25Socket for pipe joint and pipe joint
#56 | 2010-12-23 ✅ Patent 8,256,803 granted on 2012-09-04Socket for pipe joint and pipe joint
#57 | 2010-08-12 ✅ Patent 8,246,085 granted on 2012-08-21Pipe coupling and female pipe coupling member
#58 | 2010-08-12 ✅ Patent 8,353,361 granted on 2013-01-15Pneumatic tool
#59 | 2010-07-22 ✅ Patent 9,151,414 granted on 2015-10-06Coupling apparatus with adjustably supported pipe joint member
#60 | 2010-05-06 ✅ Patent 8,342,202 granted on 2013-01-01Pipe coupling member for high-pressure fluid
#61 | 2010-03-04 ✅ Patent 8,196,606 granted on 2012-06-12Coupling member for pipe coupling
#62 | 2010-01-28 ✅ Patent 7,926,855 granted on 2011-04-19Coupling, and socket and plug for use in the coupling
#63 | 2009-11-19 ✅ Patent 7,874,313 granted on 2011-01-25Pipe coupling
#64 | 2009-09-24 ✅ Patent 8,231,559 granted on 2012-07-31Pneumatic massage device
#65 | 2009-08-20 ✅ Patent 7,866,628 granted on 2011-01-11Pipe coupling
#66 | 2009-08-06 ✅ Patent 7,936,142 granted on 2011-05-03Portable drilling device
#67 | 2009-06-25 ✅ Patent 8,152,491 granted on 2012-04-10Pump using unimorph diaphragm
#68 | 2009-06-18 ✅ Patent 8,162,635 granted on 2012-04-24Low vibration pump
#69 | 2009-05-28 ✅ Patent 7,717,772 granted on 2010-05-18Polishing tool
#70 | 2009-05-26 ✅ Patent 7,537,246 granted on 2009-05-26Pipe coupler
#71 | 2009-05-21 ✅ Patent 7,862,267 granted on 2011-01-04Rotary cutting machine
#72 | 2009-04-30 ✅ Patent 7,677,325 granted on 2010-03-16Pneumatic tool
#73 | 2009-03-26 ✅ Patent 8,007,256 granted on 2011-08-30Electromagnetic reciprocating fluid device
#74 | 2009-02-05 ✅ Patent 7,722,010 granted on 2010-05-25Valve holding member
#75 | 2009-01-29 ✅ Patent 7,641,239 granted on 2010-01-05Assembly of male and female members
#76 | 2008-11-20 ✅ Patent 7,494,306 granted on 2009-02-24Rotary cutting machine
#77 | 2008-08-21 ✅ Patent 7,588,098 granted on 2009-09-15Controller for use with an electric screwdriver
#78 | 2008-01-17 ✅ Patent 7,669,612 granted on 2010-03-02Pipe coupling and male coupling member
#79 | 2008-01-10 ✅ Patent 7,494,281 granted on 2009-02-24Slide type guide mechanism
#80 | 2008-01-03 ✅ Patent 7,661,725 granted on 2010-02-16Coupling and socket thereof
#81 | 2007-11-15 ✅ Patent 7,472,888 granted on 2009-01-06Valve holding member
#82 | 2007-10-25 ✅ Patent 7,708,029 granted on 2010-05-04Coupling member of pipe coupling
#83 | 2007-10-04 ✅ Patent 7,963,751 granted on 2011-06-21Electromagnetic reciprocating fluid device
#84 | 2007-08-30 ✅ Patent 7,497,231 granted on 2009-03-03Female coupling member of pipe coupling
#85 | 2007-07-19 ✅ Patent 7,464,769 granted on 2008-12-16Electric screwdriver and a controller thereof
#86 | 2007-07-05Chip breaker for annular cutter
#87 | 2007-04-19 ✅ Patent 7,331,813 granted on 2008-02-19Plug-socket assembly
#88 | 2006-12-21 ✅ Patent 7,452,006 granted on 2008-11-18Pipe joint and socket for pipe joint
#89 | 2006-10-10 ✅ Patent 7,118,089 granted on 2006-10-10Fluid coupler
#90 | 2006-09-28 ✅ Patent 7,932,647 granted on 2011-04-26Electromagnetic reciprocating fluid apparatus
#91 | 2006-08-24 ✅ Patent 7,370,561 granted on 2008-05-13Electric driver
#92 | 2006-06-08 ✅ Patent 7,549,445 granted on 2009-06-23Female coupling member of a pipe coupling
#93 | 2006-05-25 ✅ Patent 7,143,840 granted on 2006-12-05Impact tool
#94 | 2006-05-25 ✅ Patent 7,306,007 granted on 2007-12-11Pipe coupling including ball valve
#95 | 2006-03-21 ✅ Patent 7,013,986 granted on 2006-03-21Impact tool
#96 | 2006-02-21 ✅ Patent 7,001,117 granted on 2006-02-21Rotary cutting apparatus
#97 | 2005-06-14 ✅ Patent 6,904,944 granted on 2005-06-14Fuel filling device and fuel leakage detection method
#98 | 2005-06-07 ✅ Patent 6,902,038 granted on 2005-06-07Oil drain plug of engine
#99 | 2005-05-31 ✅ Patent 6,899,132 granted on 2005-05-31Fluid coupler
#100 | 2005-05-12 ✅ Patent 7,028,983 granted on 2006-04-18Coupling 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.
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