| 1924 |
Born in 1924, Noboru Hayama actually operated far away from the print industry. As the only son of an officer, his destiny was a successful officer's career in World War II, defending Japan. |
| 1946-09-02 |
Noboru Hayama opens his own mimeography printing company: RISO-SHA. The name 'RISO' was chosen under the strong impression of the war, symbolizing ideals to be preserved in his company. |
| 1948 |
The family business moves into a sales office in Tokyo's business district and is renamed RISO Insatsusha. |
| 1954 |
Noboru Hayama brings the RISO ink to the Japanese market. |
| 1955 |
The printing company transforms into the manufacture of sought-after inks, the 'RISO Science Laboratory Limited'. |
| 1958 |
RISO launches its own mimeograph, the RISO-GRAPH. |
| 1963 |
The company gets its final name: RISO KAGAKU Corporation. |
| 1965 |
Foundation of the first, large factory in Kasumigaura. |
| 1966 |
RISO FAX makes use of infrared light, and artwork can be created in 5 seconds using RISO MASTER. |
| 1968 |
RISO moves its headquarters to Shimbashi/Tokyo and opens sales offices in all major Japanese cities. |
| 1972 |
Market maturity of RISO TARPEN-UP TU-230 and RISO OHP 750, replaced in 1974 by RISO XENOFAX FX-150 and RISO XENO MASTER. |
| 1977 |
RISO succeeds with the market success of PrintGocco, paving the way for further development of automated printing systems. |
| 1980 |
The year 1980 marks the birth of RISOGRAPH with the launch of RISOGRAPH AP7200 and FX7200. |
| 1982 |
RISOGRAPHS become popular at CeBIT Hannover, attracting significant interest. |
| 1984 |
The RISOGRAPH 007 combines master production and printing in one machine. |
| 1986 |
RISO INC. opens in the USA, marking the start of international expansion. |
| 1989 |
RISO enters the Japan Stock Exchange (JASDAQ) and opens RISO EUROPE LTD. in London. |
| 1990 |
RISO (Germany) GmbH moves into its premises in Hamburg. |
| 1991 |
RISO FRANCE S.A. opens in Lyon, France. |
| 1995 |
RISO moves into its new headquarters building in Tamachi, Tokyo. |
| 2002 |
RISO IRELAND LABORATORY LTD. is established in Maynooth. |
| 2005 |
Based on experience in fast, efficient, and cost-effective InkJet printing, RISO launches the HC5500, capable of CMYK printing at 120 ppm. |
| 2009 |
Launch of the first ComColor-series, including models that print in CMYK at 150 ppm and multifunctional options. |
| 2017 |
The ComColor GD-series outperforms previous models, with a speed of 160 ppm and five-color printing. |
| 2019 |
The five-color VALEZUS T2100 reaches 320 ppm, achieving new levels of production printing. |
| 2020 |
The ComColor FT-series replaces the FW series, printing at 140 ppm. |
| 2022 |
The GL-series replaces GD with 165 ppm and five-color printing; VALEZUS T1200 is launched for selected markets. |
| 2023 |
The second generation of high-speed tandem printing system, printing CMYK and gray at 330 ppm. |
