Otsuka Techno Co., Ltd. was established as a subsidiary of Otsuka Pharmaceutical Factory, Inc. in Naruto City, Tokushima Prefecture
1986May 1
Completed construction of Wajiki Factory in Naga-machi, Tokushima Prefecture (formerly Wajiki-machi)
1991April 1
Construction of Wajiki No. 2 Plant completed.
1993December 1
Construction of the Wajiki No. 3 Plant was completed.
1995July 3
Matsumo Sales Office was established in Matsumo-cho, Itano-gun, Tokushima Prefecture.
1995September 28
Expansion of the Wajiki No. 3 Plant (Inflation Film Plant)
1995September 29
Purchased the land for a parking lot in Naga-cho (former Wajiki-cho)
1996November 1
Established Tokyo Office of the Development Department in Chiyoda-ku, Tokyo.
1997October 1
Opened Osaka Sales Office in Osaka City, Osaka Prefecture
1998June 30
Wajiki No. 1 warehouse was completed.
2000May 31
Construction of the Technology Development Building was completed at the Wajiki Plant site.
2002February 22
Wajiki Plant acquired ISO 14001
2003November 1
Opened Tokyo Sales Office in Chiyoda-ku, Tokyo (Closed Tokyo Office, Development Department)
2004April 20
Construction of Wajiki No. 4 Plant completed.
2005February 10
Acquired ISO 9001certification. Target: Manufacture of precision molded plastic products for electronic components and related products Design, development and manufacture of plastic products related to Adaram
2005March 8
Leshan Minister of State Minister of Ministerial Affairs and Minister of State for Minister of State in Leshan City, Sichuan Province, China was established.
2006May 30
Completion of the Expansion Department of Plant No. 3 (Expansion of the Inflation Film Plant)
2006October 30
Purchased a factory site in Naruto Industrial Complex in Naruto City, Tokushima Prefecture.
2008March 11
Headquarters building completed
2008May 12
Naruto Plant completed.
2009February 26
Head Office & Naruto Plant acquired ISO 14001
2010January 26
Completion of the Mold Center
2010December 17
The whole company acquired ISO9001.
2011January 21
Established Nanjing Minister of State State Industrial Technology Co.
2012July 2
Completion of the second Naruto Plant
2012November 7
Naruto 2 Plant acquired ISO9001/ISO14001
2013July 29
Established Yeekang Zhanshu State Minister of State in Changzhou City, Jiangsu Province, China.
2016January 4
Osaka Sales Office merged to the Head Office Sales Department
2018August 23
Transferred the equity of Changzhou Otsuka Econ Techno Co., Ltd.
2019April 25
Completed Naruto Third Factory in Tokushima, Japan
2019June 7
Established Otsuka Techno Vietnam Co., Ltd. in Dong Nai Province, Vietnam
2020June 30
“Rewarded as “100 Global Niche top companies 2020” by Japan Ministry of Economy, Trade and Industry.