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1947
Kyoritsu Noki Company Limited is founded on 6 September.A revolutionary manual duster for pest control and a new power duster-fogger are introduced.
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1955

The DM-Series of backpack blower misting and dusting units opens a new era in pest control.The first Kyoritsu DM-E type two-stroke engine is developed for DM-series units.
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1956

The first Kyoritsu speed sprayer revolutionizes domestic agriculture.
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1957
Kyoritsu Midget manual duster wins the Milan City Industrial Fair "Good Design" award. Kyoritsu speed sprayers revolutionize orchard farms in Japan.
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1960
Corporate stocks are offered for public subscription.Yokosuka plant wins the Japan Industrial Standard (JIS) award for quality.The first Kyoritsu brushcutter (Power Scythe) is developed.
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1961
Kyoritsu enters into a technical licence agreement with FMC of the U.S. for manufacturing John Bean speed sprayers and other related equipment.
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1963

The first ECHO chain saw, the CS-80, is released, making the beginning of the ECHO brand.MITI grants approval to affix the JIS mark on Kyoritsu manual and power sprayers, indicating they conform to the JIS standards.
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1964
Kyoritsu enters a licence agreement with Kloeckner- Humboldt-Deutz AG of Germany to produce air- cooled diesel powered tractors.
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1965

The famous ECHO CS-60 chain saw is introduced.An engineering classic that still today is a popular, reliable chain saw.
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1966

The new shoulder type straight-shaft brushcutter (Swing Scythe) is introduced.
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1967

The DM-9 is introduced, the benchmark leader in the backpack duster and mist sprayer industry.
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1968

Kyoritsu signs a contract with Canadian Curtis Wright Company of Canada for the export of two-stroke engines snowmobiles.
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1970

Kyoritsu revolutionizes outdoor cleaning and maintenance with its innovative backpack power blower, the PB-9.
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1971

Corporate name is changed from Kyoritsu Noki Company Limited to KIORITZ CORPORATION.The light-weight ECHO chain saw CS-302 is introduced-the first real professional small chain saw.
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1972
KIORITZ CORP. of AMERICA is established in Northbrook, Illinois.
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1977

Innovative ECHO weed and grass trimmer SRM- 140D is introduced.
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1978
Corporate name is changed from KIORITZ CORP. of AMERICA to ECHO, INCORPORATED.
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1979

The PB-200, the world's first hand-held power blower, is introduced.
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1984
KIORITZ R&D Laboratory is completed in the Tokyo Plant.The ten-millionth engine rolls off the line.
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1990
KIORITZ Headquarters moves to the new building in Ohme, Tokyo.
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1992

The separate lubrication brushcutter, SRM-343SL, wins the SIMA award in a Paris exposition.
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1994
KIORITZ is approved for ISO 9000 Series.
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1995
The twenty-millionth engine is produced.
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1997
KIORITZ CORPORATION celebrates its 50th Anniversary.
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2000

Brushcutter and PowerSprayer which equipped i-start in 2000 are put on the market.
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2001
Gold Award to i-start at Urbavert 2001, France
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2001
KIORITZ, Yokosuka factory is certified for ISO 14000 Series.
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2003
Achieved 30 million units of engine production in cumulative total.
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2004
KIORITZ ECHO Machinery Co. Ltd. is established in Shenzhen, China.
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2005
Achieved 35 million units of engine production in cumulative total.
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2006

U.S. subsidiary ECHO Inc. established a new company; Crary Industries Inc., and has taken over the whole business of "Bear Cat" brand garden & yard maintenance equipments from TerraMarc Corp., including other business fields.
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2009
Kioritz Corporation, having been operated under Yamabiko Corporation along with Shindaiwa Corporation. Merged into Yamabiko Corporation and launched a fresh start for the future.