1948 |
Founded by Jin-ichi Kohara, first president. Provided machinery repair service, and manufacturing of hand drilling machines and grinders. |
1950 |
Shifted to manufacturing of drum pump (SB-25) and gear pump (GC-25).

SB-25

GC-25
|
1966 |
Developed fill pump and "High Liter Pump" (LP-32).

LP-32 |
1968 |
Developed pump for solvents. |
1970 |
Developed "Big Auto Pump" (PP-25).

PP-25 |
1971 |
Developed GL pump and FS pump (GL-20).

GL

GL-20 |
1972 |
Developed heavy-duty fill pump "Oil master", winch "Ecarl"(REL).

REL |
1974 |
Launched engine pump (SE-50L).

SE-50L |
1975 |
Launched plastic siphon pump (PH-10).

PH-10 |
1980 |
Launched submersible pump "Pondy" (SM-20).

SM-20 |
1981 |
Launched engine trash pump (KTR-100).

KTR-100 |
1983 |
Launched manual sprayer "Mister Auto" (HS-401).

HS-401 |
1984 |
Launched seawater submersible pump "Marine Pet" (BL-2524N).

BL-2524N |
1989 |
Launched winch "Mini-Carl" (RED-2012).

RED-2012 |
1992 |
Launched motor pump "Jetmate" (MP-25).

MP-25 |
1993 |
Launched JC series of high-pressure washer(JC-1).

JC-1
|
1996 |
Launched submersible pump for sewage water "Ponster" (PSK-32). |
1997 |
Launched battery-powered sprayer (MS-10).

MS-10 |
1999 |
Launched submersible pump for sewage water "Ponster" (PX-50).

PX-50 |
2001 |
Launched manual sprayer "Mister Auto" (HS-701).

HS-701 |
2008 |
Launched dry cell battery powered sprayer (JS-10). ※Industry's first

JS-10 |
2010 |
Launched engine pumps SEV series with KOSHIN engine (developed in-house).

SEV-50X |
2013 |
Launched engine-powered high-pressure washer JCE series with KOSHIN engine.

JCE-1408 |
2016 |
Launched inverter generators GV series with KOSHIN engine and battery powered snow remover (SR-350).

GV-16i

SR-350
|
2017 |
Launched SBC/SLT series, Smart KOSHIN series of battery powered brush cutter.
Launched submersible pump PBX.

SBC-1825

SLT-1820

PBX-55022
|
2018 |
Launched hand-carry type brush cutter (EBC-26C) with KOSHIN engine.
Launched high-pressure engine pump SERH-50Z.

EBC-26C

SERH-50Z |
2019 |
Launched battery-powered high-pressure washer, Smart KOSHIN series battery-powered garden tools.

SHT-1820

SJC-3625
Launched trash pump KTZ with KOSHIN engine.

KTZ-100X
Launched diesel engine pumps SEY, STY and KTY series.

SEY-100D |
2020 |
Launch battery-powered brush cutter, Smart KOSHIN series (SGR-1820).

SGR-1820 |