2024
| Dec | Chubu Sales Office opens in Nagoya City, Aichi Prefecture |
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| Oct | Low-Headroom Tubular Pile Press-in Piling Machine SILENT PILER™ ”CLP200A” is delivered to North America for the first time |
| Aug | SILENT PILER™ ”F302” is launched |
| Apr | A framework agreement of the quay wall renovation project for the World Heritage-listed Dutch Canal Ring Area is signed for the commercial phase |
| Jan | GYRO PILER™ is delivered to Southeast Asia for the first time |
2023
| Nov | Two units of ECO Cycle™ is completed in front of Shin-Tsunashima Station in Yokohama |
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| Jul | Two units of ECO Cycle™ is completed at Ichinohashi Park in Azabu |
| Jun | World Heritage-listed Canal Quay Wall Renovation Project in the Netherlands Receives Japan Construction International Award |
| May | “RED HILL 1967” A facility to witness and experience the superiority of the Press-in Technologies opens |
| May | SILENT PILER™ “F112” is launched |
2022
| Sep | Two units of ECO Cycle™ is completed at Shinkoiwa station |
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| Jul | Signs technology R&D contract with MLIT for lunar construction project |
| Apr | Develops EV ECO Park™ - automated parking facility for ultra-compact electrical vehicles |
| Mar | GIKEN and AKTIO Corporation enter Rental Business Alliance |
2021
| Jul | The first SILENT PILER™ KGK-100A is certified as Mechanical Engineering Heritage by The Japan society of Mechanical Engineers |
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| Mar | Representative office in Bangkok, Thailand, opens |
2020
| Aug | Construction of new factory and office building in the Netherlands is completed |
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| Jul | Selected as one of the New Global Niche Top Companies 100 |
| May | Awarded First Place in City of Amsterdam Innovation Partnership Quay Wall Project |
| Apr | Two units of ECO Cycle™ is completed at Kawasaki station, Kanagawa Prefecture |
2019
| Mar | New York Head Office of Giken America Corporation opens |
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2018
| Oct | Market capitalisation hits 100 billion Japanese Yen |
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| Oct | “Press-in Training Center” at Kansai Factory opens |
| Aug | “ECO Park™” at Kochi Head Office is renovated |
| May | Hokkaido Sales Office opens |
| Jan | The first installment of “ECO Park™” at OTEPIA in Kochi City |
2017
| Dec | The first installment of “ECO Park™” at new library complex OTEPIA in Kochi City is completed |
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| Dec | Acquires shares in J Steel Group Pty Limited |
| Aug | Two units of aboveground-type ECO Cycle™ in Roppongi, Minatoku, Tokyo is completed |
| Jun | Listed on Tokyo Stock Exchange Class Ⅰ |
| Apr | Deliveres SILENT PILER™ SW100 to Australia for the first time |
| Jan | Started bridge foundation construction by Press-in Method in Bangladesh (ODA project) |
| Jan | GIKEN Group's 50th anniversary |
2016
| Oct | Develops GYRO PILER™ "F301-G1000, F401-G1200 and F501-G1500" |
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| Jul | Delivers SILENT PILER™ to Myanmar Government |
| Mar | Stock acquisition of CITEC INC |
| Feb | Two units of ECO Cycle™ in Shinbashi, Minatoku, Tokyo is completed |
| Feb | Kanto Factory in Chiba is established |
2015
| Dec | Two units of ECO Cycle™ in the plaza in front of the Kyoto city hall is completed |
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| Sep | Test operation of a share cycle system utilising the MOBILE ECO Cycle™ starts in Fujisawa, Kanagawa Prefecture |
| Aug | Increases capital to 5.84431 bilion yen through issuance of new shares |
| May | SILENT PILER™ “F111” is launched |
| Jan | Three units of ECO Cycle™ in the plaza in front of the South exit of Kyoto station |
| Jan | Develops “Tsunami simulator”, an experimental device for tsunami |
2014
| Dec | SILENT PILER™ “F201” is launched |
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| Nov | Kochi Factory 2 is established |
| Oct | Announces the development of SILENT PILER™ ”F111 and F201” |
| Sep | SILENT PILER™ production reaches 3,000 units |
| Aug | SILENT PILER “F101” is launched |
2013
| Nov | SILENT PILER™ “F301” for 900 mm Hat-shaped Sheet Pile is launched |
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| Jul | Listed on the TSE2 through market integration |
2012
| Aug | GYRO PILER™ ”GRV2540” for large diameter tubular pile is launched |
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| Aug | The largest ECO Cycle™ in the Kansai area is completed at Minamisenri in the city of Suita |
2011
| Oct | The development prototype of the portable “MOBILE ECO Cycle™” is completed |
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| Sep | Shanghai Office opens |
| Aug | SILENT PILER™ ”JZ100A” is launched |
| Aug | SILENT PILER™ ”ECO600S” is launched |
| Jul | Opens the Reconstruction Support Office of the Natural Disaster Defence Engineering Headquarter in Sendai City, Miyagi Prefecture, Japan |
| Apr | The Natural Disaster Defence Engineering Headquarter is established |
| Mar | The ECO Cycle™ No. 1 unit in Kochi University of Technology is renovated to the latest system |
2010
| Jan | International Press-in Center (IPC) in Tokyo, Japan opens |
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2009
| Oct | Franchise-style business partnership “GTOSS™ membership GM1” is launched |
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| Jan | The GM2 investiture ceremony and first GM meeting is held |
2008
| Aug | New ECO Cycle™ is developed, and GIKEN receives orders from Hachioji and Chiba cities |
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| Jul | The “Memorial Forest Project” is launched |
| May | Press-in machine for multiple modes for overseas SILENT PILER™ “ECO700S” & “ECO1400S” is launched |
| Apr | Franchise-style business partnership “GTOSS™ membership GM2” is launched |
2007
| Jul | SILENT PILER “ECO400S” is launched |
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2006
| Dec | Three units of ECO Cycle™ is completed in Marugame-cho Ichiban-gai, Takamatsu City, Kagawa Prefecture |
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| Oct | Two units of ECO Cycle™ is completed in Jiyugaoka, Meguro-ku, Tokyo |
| Oct | Giken America Corporation opens Louisiana office in New Orleans |
| Jul | Japan’s largest mechanical underground bicycle parking comprising eight units of ECO Cycle™ is completed in Mitaka City, Tokyo |
2005
| Jul | SILENT PILER™ “ECO82-4C and ECO900” is launched |
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2004
| Aug | SILENT PILER™ “ECO82” is launched |
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| Mar | Four units of ECO Cycle™ is completed In Ebina City, Kanagawa Prefecture |
| Jan | Giken America Corporation opens Los Angeles office |
2003
| Dec | “Office Building with Revenue-earning Seismic Resistant Structural Foundation” is constructed in Minato-ku, Tokyo, Japan |
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| Apr | User Total Support System “GTOSS™” is launched |
2002
| Jun | Publishes ”The Press-in Essentials” SILENT PILER™ “ECO100” is launched |
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2001
| Nov | A unit of ECO Cycle™ is completed in Seijo, Setagaya-ku, Tokyo |
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| Aug | Water Jet System “PILER JET™” is launched |
| May | Giken Seisakusho Asia Pte., Ltd. opens Hong Kong office |
2000
| Dec | Centralises sales business through promotion of IT |
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| Jun | Moves the Tokyo headquarters to Ariake, Koto-ku |
1999
| Dec | Establishes Giken America Corporation in Orlando, Florida |
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1998
| Nov | Singapore Office of Giken Seisakusho Asia Pte., Ltd. opens |
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| Jun | The first unit of underground seismic-resistant bicycle parking “ECO Cycle™” is completed in Kochi University of Technology |
| Apr | Giken Europe B.V. opens Berlin Office |
1997
| Aug | Hard Ground Press-in Machine SILENT PILER™ “SC100” is launched Press-in and extraction machine for wide sheet piles Super Wide ”SW100” is launched |
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| Mar | SILENT PILER™ production reaches 2,000 units |
1996
| May | Establishes G & B Co., Ltd. |
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| Mar | Establishes M & M Co., Ltd. |
| Jun | Establishes Giken Seisakusho Asia Pte., Ltd. in Singapore |
1995
| Nov | New product and new manufacturing method presentation is held SILENT PILER™ “SA75 and SA100” is launched |
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1994
| Dec | The first unit of underground seismic-resistant car parking “ECO Park™t” is completed at Kochi Head Office |
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| Nov | Niigata Sales Office opens |
| Aug | GIKEN SEKO CO., LTD. opens a Tokyo sales office in Ariake, Koto-ku |
| Jun | The Five Construction Principles is documented |
| Jan | SILENT PILER™ production reaches 1,500 units |
1993
| Aug | Presents the idea of “Construction Revolution” in public |
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| May | Listed on Osaka Stock Exchange Class II |
| Jan | Construction of Kansai Factory is completed |
1992
| Oct | New Tokyo Head Office opens in Shinagawa, Tokyo, Japan |
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1991
| Oct | IC card-controlled automatic operation machine SILENT PILER “AT90 and AT150” are launched |
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| Jul | Establishes Giken Europe B.V. in Almere, the Netherlands |
| Apr | GIKEN stock is registered for over-the-counter sale |
1990
| Nov | SILENT PILER™ production reaches 1,000 units |
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| Jan | London Sales Office opens |
1989
| Sep | Hokkaido Sales office opens |
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1988
| Sep | SILENT PILER™ “TP333” is launched |
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1987
| Oct | SILENT PILER™ production reaches 500 units |
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| Jul | Japan Press-in Association (JPA) is established |
| May | SILENT PILER™ “FT70” (Full turn-type) is launched |
| May | Construction of Kochi Head Office and Factory is completed |
1986
| Apr | The press-in method is officially adopted by the Ministry of Construction for the “Civil works standards for estimation” |
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| Apr | Export the SILENT PILER™ to a foreign country for the first time- Sweden |
1985
| Nov | SILENT PILER™ with the corner 4 function “KGK130C4” is launched |
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| May | Tokyo Factory opens |
1983
| Sep | First overseas construction project undertaken in the former West Germany |
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| Apr | Hiroshima Sales Office and Shikoku Sales Office open |
| Apr | Displays the SILENT PILER™ in the 20th International Construction Machinery Fair “BAUMA ’83” in Munich. |
1982
| May | SILENT PILER™ “KGK130-N” is launched |
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| May | Installs a radio-controlled system on SILENT PILER™ |
1981
| Aug | Kochi GIKEN Consultant Ltd. changed its name to GIKEN SEKO CO., LTD. |
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| Jul | Nagoya Sales Office opens |
| Jun | SILENT PILER™ “KGK80C” is launched |
1980
| Oct | Fukuoka Sales Office opens |
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| Sep | Sendai Sales Office opens |
| Jan | Obtains basic patent for the SILENT PILER™ |
1979
| Nov | Tokyo Sales Office opens |
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| Jun | Launches National SMP Association |
1978
| Sep | Osaka Sales Office opens |
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| Jun | SILENT PILER™ “KGK-100H” is launched |
| Jan | Establishes GIKEN SEISAKUSHO CO., LTD. |
1975
| Jul | The first unit of SILENT PILER™, world's first non-polluting pile press-in and extraction machine is completed |
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1971
| Aug | Kochi GIKEN Consultant becomes incorporated |
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1967
| Jan | Establishes Kochi GIKEN Consultant and start civil engineering business Starts research on non-polluting industrial machinery and an environmentally-friendly piling method |
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