| 1946年09月 |
Noboru Hayama opens Riso-sha, a mimeographic printing shop, in Tokyo. |
| 1948年09月 |
Company name changes to RISO Printing Company. |
| 1952年03月 |
RISO imports the first type printing equipment in Japan from the United Kingdom. |
| 1955年01月 |
Company name changes to RISO KAGAKU CORPORATION (“Ideal Science”). |
| 1965年07月 |
Kasumigaura Plant completed, starts operations in August. |
| 1969年06月 |
Sales offices open in Sapporo, Sendai, Nagoya, Osaka, Hiroshima, and Fukuoka. |
| 1977年09月 |
First Print Gocco model, the B6, marketed. |
| 1980年06月 |
First Printer-Duplicator model, the AP7200, marketed. |
| 1981年10月 |
Tsukuba Plant starts operations. |
| 1984年12月 |
RISO Educational Foundation established. |
| 1986年01月 |
RISO, Inc., the first overseas subsidiary, established in the United States. Ube Plant completed. |
| 1986年08月 |
First digital Printer-Duplicator model, the Digital 007, marketed. |
| 1989年04月 |
RISO EUROPE LTD. established in the United Kingdom. |
| 1989年10月 |
Listed over the counter in Japan. |
| 1989年12月 |
RISO (Deutschland) GmbH established. |
| 1990年01月 |
RISO Publisher System introduced. |
| 1991年04月 |
RISO FRANCE S.A. established. |
| 1992年05月 |
RISO (U.K.) LTD. established. |
| 1993年01月 |
RISO IBERICA S.A. established. |
| 1993年04月 |
RISO HONG KONG LTD. established. |
| 1993年06月 |
RISO CANADA, Inc. established. |
| 1994年07月 |
RISO CHINA LTD. established in Hong Kong. |
| 1994年11月 |
RISO (Thailand) LTD. established. Printer-Duplicator GR series introduced. |
| 1995年02月 |
RISO AFRICA (PTY) LTD. established. |
| 1995年06月 |
Printer-Duplicator TR series introduced. |
| 1997年02月 |
SC3000 series system controller introduced. |
| 1997年05月 |
SC7000 series system controller introduced. |
| 1997年11月 |
TM5000 sorter introduced. NC Numbering System introduced. Printer-Duplicator GR3770, the first 600 dpi duplicator introduced. |
| 1997年12月 |
RISO de México, S.A. de C.V. established. |
| 1998年02月 |
AR8000 envelope/card feeder introduced. |
| 1998-08-28 |
Established on August 28, 1998 |
| 1999年01月 |
CR system introduced. |
| 1999年02月 |
SC7700 System Controller , a top-of-the-line high speed RIP that processes data directly to the Printer-Duplicator for fast printing, introduced. Industry-first capability of scanning from any desktop on the network, doubling its value to users. |
| 2001年05月 |
RISO’s new RP3700 high-speed digital printer-duplicator debuts at Gutenberg Festival. |
| 2001年09月 |
RISO’s breakthrough Zykros technology enables imaging and printing of multiple colors in a single pass. |
| 2002年05月 |
RISO, Inc. signed an agreement with Lexmark under which RISO, Inc. will integrate several of the newest Lexmark multifunction printers (MFPs), software developed by both Lexmark and RISO, and RISO’s own printing systems as part of a suite of integrated document management solutions. |
| 2004年09月 |
RISO, Inc. introduces Solutions Assess Express – A New System that Offers Economical Basic Automated Testing Package For Individual Schools. |
| 2010年 |
RISO LATIN AMERICA, INC. starts operations for the Latin America and Caribbean regions. |
