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| 1938 |
OKADA Rock Drill Co. founded. |
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| 1960 |
Established and incorporated under the name Okada
Rock Drill, Co. Introduced and launched the first machine mounted type pneumatic
breaker in the Japanese market. |
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| 1962 |
Established Chubu branch in Gifu prefecture. |
| 1968 |
Established Tokyo branch. |
| 1972 |
Established Sendai branch in Miyagi prefecture. |
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| 1976 |
Introduced and began marketing the TS series,
a line of low-pollution concrete demolition crushers. |
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| 1977 |
Introduced and began marketing the UB series,
a line of hydraulic breakers. |
| 1979 |
Developed PCP, a wheeled concrete recycling machine. |
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| 1980 |
Established Morioka branch in Iwate prefecture. |
| 1983 |
Changed company name to OKADA AIYON CORPORATION.
Established Hokuriku branch in Ishikawa prefecture. |
| 1986 |
Established Kyushu branch in Fukuoka prefecture. |
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| 1987 |
Developed and launched the OKB 300 series, a
new line of hydraulic breakers.
Developed the OSC line of secondary breaking concrete demolition crushers.
Moved the head office and integrated the distribution and service center in its
current location in Minato-ku, Osaka. |
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| 1989 |
Developed the OSG series, a line of 360-degree
hydraulic rotational grapples.
Established Sapporo branch in Hokkaido. |
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| 1990 |
Established Hiroshima branch. |
| 1991 |
Gross annual sales exceeded JPY10 billion for
the first time. |
| 1992 |
Increased capital to JPY1,049,700,000.
Listed on the 2nd tier of the Osaka Stock Exchange. |
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| 1993 |
Introduced the OKB 330, the largest model in
the OKB 300 series of hydraulic breakers.
Developed low-noise brackets for hydraulic breakers. |
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| 1994 |
Developed the NCP series, a line of self-propelled
crawler mounted concrete recycling machines.
Developed the CUT series, a line of 360-degree hydraulic/free rotation multi-purpose
concrete crushers and steel cutters. |
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| 1996 |
Established Okada America, Inc., a US affiliate,
in Portland, Oregon.
Established Yokohama branch in Kanagawa prefecture. |
| 1997 |
Developed the unique OSC crusher pulverizer with
magnetic iron collector. |
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| 2000 |
Developed and launched the TOP series, a new
line of hydraulic breakers. |
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| 2001 |
Developed and launched the TS-W series, a new
line of hydraulic crushers and cutters. |
| 2003 |
Established AIYON TECH. CO., LTD
(Sangojyuki became a 100% owned OKADA AIYON subsidiary)
OKADA AMERICA becomes a 100% owned OKADA AIYON subsidiary. |
| 2004 |
Established Nagoya branch.
Opened bonded warehouse in Netherlands, which is covering whole European market.
Participated in bauma 2004 at Munich, Germany |
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| 2009 |
Launched and developed the TS-WK800V and the TOP series new model, TOP55,190,290 |
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| 2010 |
OKADA India Sales representative office open |
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