|Jan. 1970||Ricoh of America, Inc. established in New Jersey ( running until 1984), through integration of New York office and Ricoh Industries U.S.A., Inc.|
|Mar. 1970||Ricoh Pavilion appears at Japan Expo '70 with theme "Better Vision for Humanity".|
|Apr. 1971||Ricoh introduces the "RICOM 8", the first office computer.|
|May 1971||Atsugi Plant, Japan founded as key manufacturing base for business machines and communication and information systems.|
|Nov. 1971||Total Quality Control campaign intoroduced.|
|Nov. 1971||Ricoh Nederland B.V. established in Holland (renamed Ricoh Europe B.V. in 1986).|
|1972||Ricoh launches the "RICOH PPC900", its first dry-electrostatic-transfer plain-paper poster.|
|Jan. 1973||Ricoh Electronics Co., Ltd. (REI) founded in the USA.|
|Apr. 1973||"RIFAX 600S", first high-speed facsimile machine for offices, succeeds in transmission between Tokyo and New York via satellite communications.|
|Apr. 1973||Hasama Tohoku Ricoh Co., Ltd. founded (renamed Hasama Ricoh, Inc. in 1977)|
|May 1973||Rapifax Corp. established in the USA for marketing of facsimiles (renamed Rapicom, Inc. in 1978).|
|Jul. 1973||Ricoh Optical Industries Co., Ltd. founded in Iwate Prefecture, Japan.|
|Feb. 1975||Ricoh launches the "RICOPY DT1200", a wet-type plain-paper machine that becoming the world's top-selling copier.|
|Nov. 1975||Ricoh becomes the first recipient for the Deming Prize in the office automation industry.|
|1976||Establishes the Environmental Promotion Section|
|Jul. 1976||"RIFAX 600S" plays active role in Montreal Olympic Game.|
|Oct. 1976||President Mikio Tatebayashi passes away(22nd).
Shinichi Miyoshi appointed chairman(26th). Takeshi Ouye appointed president(26th).
|Dec. 1976||Ricoh Credit Co., Ltd. established.(renamed Ricoh Lease Co., Ltd. in 1984)|
|Mar. 1977||The corporate headquarters completed and opens at Aoyama, Tokyo.|
|Apr. 1977||Ricoh introduces the acronym OA, for office automation, at CeBIT in Hannover.|
|Jul. 1978||Ricoh Deutschland GmbH established in Germany. Construction of Numazu R&D Center completed in Shizuoka Prefecture, Japan .|
|Dec. 1978||Ricoh Business Machines, Ltd. founded in Hong Kong (renamed Ricoh Hong Kong Ltd. in 1987).|
|May 1979||Ricoh Systems, Inc. established in California to carry out R&D (later merged with Ricoh Corporation in 1987).|
|Jul. 1979||Materials R&D Center formed at Numazu R&D Center, Japan (renamed Chemical Products R&D Center in 1990).|
|Jul. 1980||Toda Technical Center established in Atsugi, Kanagawa Prefecture, Japan.
Ricoh UK Ltd. established.
|Jan. 1981||Ricoh begins marketing Ricoh brand dry PPCs in Europe.|
|Mar. 1981||Service Parts Center established in Atsugi, Kanagawa Prefecture, Japan.|
|Apr. 1981||Ricoh begins marketing Ricoh brand dry PPCs in North America.
Construction of Ricoh Electronics Development Center completed at Osaka Plant, Japan.
|May 1982||Fukui Plant, Japan, founded for production of sensitized paper.|
|Jun. 1982||Ricoh introduces the "RICOPY FT4060", the first dry-toner plain-paper copier.|
|Jul. 1982||Hatano plant begins operations in Kanagawa Prefecture, Japan.|
|Nov. 1982||Ricoh introduces the "RICORE 3000", a digital document processor.|
|Apr. 1983||Takeshi Ouye appointed chairman (1st).
Hiroshi Hamada appointed president (1st).
|Jun. 1983||Ricoh launches the "RICOH LP4120" laser printer.|
|Oct. 1983||Ricoh launches the "RIFAX 1300", a first plain-paper facsimile machine.|
|Dec. 1983||Ricoh UK Products Ltd. founded.|
|Feb. 1984||The "RIFAX 1300HS" awarded Nikkei Product Excellence Prize.|
|Mar. 1984||Chairman Takeshi Ouye passes away.|
|Apr. 1984||Ricoh Corporation established by Merger of Ricoh of America, Inc. and Rapicom, Inc.
Eleven service subsidiaries merged into two-Ricoh Service Co., Ltd.(Tokyo, Osaka) . (renamed Ricoh Technonet Co., Ltd. (Tokyo, Osaka) in 1988)
Ricoh establishes Manufacturing Technology R&D Center at Atsugi plant, Kanagawa Prefecture, Japan.
Imaging Technology Development Center established at Ohmori Office, Tokyo, Japan.(renamed Imaging Technology Center in 1995 and then Imaging Technology Division in 1999)General Electronics R&D Center formed at Ohmori Office.