| August,1974 |
US parent company GRADCO SYSTEMS, INC. (GSI) is established |
| July,1975 |
Conclusion of compact sorter exclusive contract in Japan with the Itochu Corporation. |
| June,1983 |
GSI goes public on the US market (NASDAQ) |
| February,1986 |
GRADCO is established as a 100% GSI subsidiary for the purpose of production
and sales of sorters in Japan. |
| January,1988 |
Move the head office from Minato to Shibuya. |
| December,1990 |
GRADCO takes on the responsibility of focusing on global copier related business through GSI structural reform and the US subsidiary GRADCO(USA)INC. (GU) is established |
| October,2000 |
Conclusion of a research consignment contract with KOREA ROBUST DESIGN CO.(KRDC) |
| April,2003 |
Move the head office from Shibuya to Ebisu Prime Square, Hiroo. |
| April,2004 |
Establish Mito Development Center. |
| June,2004 |
GJ management establishment GRADCO HOLDINGS LLC. and GSI complete a cash-out merger eliminating the NASDAQ listed GSI. GRADCO HOLDINGS LLC. becomes GJfs parent company. |
| July,2005 |
KOREA ROBUST DESIGN CO.(KRDC) becomes a complete subsidiary |
| March,2007 |
Dissolving GRADCO HOLDINGS LLC., GJ becomes an independent company. |
| June,2011 |
Move the head office from Ebisu to Osaki, Shinagawa-ku. |
| July,2011 |
Change the company name from Gradco Ltd. to Gradco Japan Ltd. |
| March,2013 |
"dippin' dots Ice Cream" business transfer |
| March,2013 |
KOREA ROBUST DESIGN CO.(KRDC) becomes a affiliated company |
| April,2013 |
"Gradco R&D Ltd." establish as subsidiary company |
| December,2013 |
KOREA ROBUST DESIGN CO.(KRDC) has dissolved |
| February,2015 |
Move the head office from Osaki to Tennouzu, Shinagawa-ku. |
| January,2022 |
Move the head office from Shinagawa to Machida. |
