1876 Toueisha was established for silk production
1943 Nittoh Kogaku Kikai Seisakujyo was established. The company aligned with Nihon Kogaku and started manufacturing optical equipment.
1950 Successfully developed Kominar lens, the company's own brand lens.
1951 Incorporated into Nittoh Kogaku K.K.
1961 Kamisuwa Plant was established in Kamigawa Area, Suwa City. Started manufacturing finished cameras.
1969 Introduced integrated system for lens production.
1970 Nittoh Kogaku Matsukawa Plant, an affiliated company was established in Kita Azumi District to expand lens production system.
1983 Entry into the Optronics field including information equipment.
1994 Camera Division awarded ISO9001 accreditation.
1996 Established a joint venture, PT. ADIWIRA PRESISI INDUSTRI, in Indonesia with Mitsui & Co., Ltd. and the Astra Group of Indonesia for an integrated camera production system.
1999 Optronics Division awarded ISO9001 accreditation.
2002 Head Plant and Kamisuwa Plant awarded ISO14001 accreditation. Acquisition of Indonesia's Astra Group-held shares of PT. ADIWIRA PRESISI INDUSTRI, reorganizing the subsidiary into a joint venture between Nittoh Kogaku and Mitsui & Co., Ltd. in order to expand its production capacity.
2007 Acquired total shares of Shoujoh Seiki Co., Ltd. (renamed Shoujoh Techno Co., Ltd. in 2012) and reorganized it into a wholly owned subsidiary in order to strengthen our mold production capabilities.
Renamed our Indonesian subsidiary to PT. Nittoh Presisi Indonesia.
2008 Acquired all shares of PT. Nittoh Presisi Indonesia, transforming it into our wholly owned subsidiary.
2011 Founded a locally incorporated company, Nittoh (Singapore) Pte. Ltd. in Singapore.
2012 Totally modernized and expanded our Matsukawa Plant to consolidate mold production operations, and renamed it Azumino Plant. Established an additional Indonesian subsidiary, PT. nittoh Batam, to further strengthen our overseas production.
Azumino Plant awarded ISO9001 and ISO14001 accreditation.
2017 Our company name changed to Nittoh Inc.