| Feb. 1924 | Tokyo Steel Furniture Factory founded in Arakawa Ward, Tokyo by founder Tajima On. This was the start of the first domestic steel furniture production in Japan. |
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| Dec. 1939 | Tokyo Sokki Co., Ltd. established. |
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| May. 1949 | Trade name changed to “Nippon Filing Co., Ltd.”. |
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| Oct. 1951 | Construction of a system for full scale production of steel bookshelves and other shelving commenced. |
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| Nov. 1955 | Osaka branch established. |
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| Jun. 1962 | Matsudo plant completed, relocation carried out. |
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| May. 1965 | “Lite Bin” medicine management rack released. |
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| Mar. 1967 | Mobile shelf “Electric Stack Runner” released. |
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| Apr. 1968 | “Sky Rack System” automated warehouse released. |
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| Jun. 1971 | Steel bookcase JIS standard certified. |
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| Apr. 1976 | Mobile shelf ” Handle Type Stack Runner” released. |
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| May. 1977 | Circulation shelf “Pick Rack” released. |
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| Jul. 1977 | Mobile shelf “Front Runner” released. |
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| Oct. 1977 | First domestic JIS standard certification received for steel shelves for goods. |
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| Nov. 1977 | Automated Storage and Retrieval System “Container Server System” released. |
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| Sep. 1979 | Large scale storage facility seismic resistance tests carried out at National Research Center for Disaster Prevention. |
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| Jun. 1981 | “Pick Pal” digital display system released. |
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| Sep. 1981 | 7 “Biblio Series” stackable system furniture products awarded the first G Marks (Good Design) for steel shelves in Japan. |
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| Aug. 1982 | New plant completed in Mitsukaido City, Ibaraki Prefecture, relocation carried out. |
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| Jan. 1984 | Pallet circulation shelf “Pneuma Thru” released. |
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| Sep. 1985 | Kashiwa Technology Center established. |
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| Jun. 1988 | Pallet circulation shelf “Push back Rack” released. |
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| Dec. 1992 | Humidity Controlling Board (HC Board) released. |
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| Aug. 1994 | Horizontal pallet circulation shelf “Pneuma Thru Ⅱ” released. |
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| Mar. 1995 | Automated Storage and Retrieval System for books “Auto Lib” released. |
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| Nov. 1995 | Japan Quality Assurance Organization (JQA) conformity certification received for Electric Stack Runner and Handle Type Stack Runner. |
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| Oct. 1996 | Long Life Design Award received for “Biblio Series” stackable system furniture. |
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| Jan. 1999 | Book/material mass deoxidation business started. |
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| Mar. 1999 | ISO 9001 certification acquired. |
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| Dec. 1999 | Electric Stack Runner awarded FY1999 G Mark (Good Design). |
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| Jan. 2000 | “Pal Cart” wireless LAN picking cart system released. |
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| May. 2000 | Bamboo bookshelves “ETS” and “EBS” released. |
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| Nov. 2001 | Digital assort system with five color display added to “Pick Pal” digital display system lineup. |
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| Dec. 2001 | ISO 14001 certification acquired. |
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| Apr. 2003 | New type “Bibilio Series” released. |
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| Apr. 2004 | Small to mid-sized library oriented Automated Storage and Retrieval System “Auto Lib Mini” is released. |
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| Jan. 2005 | “UE Type Multipurpose Shelves” released. |
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| Oct. 2006 | New type “Stack Hover/Lite Bin Hover” released. |
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| Nov. 2006 | “UF Type Multipurpose Shelves” released. |
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| Nov. 2007 | “Automatic Return Sorter” unit 1 delivered. |
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| May. 2009 | Automated Storage and Retrieval System “Auto Lib” achieves 35 competed orders. |
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| Aug. 2010 | Digital assort system with five color display-wireless type released. |
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| Mar. 2011 | “LA Labo” library automation research lab established. |
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