- 1901
- Started business in Osaka a cotton trader 'Shimada Shoten'
- 1936
- Reorganized as 'Shimada Shoten Co.,Ltd'
- 1944
- Changed trade name to 'Shimada Business Co.,Ltd'
- 1951
- Changed trade name to 'Yamaichi Cotton production Co.,Ltd.'
- 1963
- Established synthetic fiber department.
- 1964
- Established synthetic resin department.
- Established Factory in Hofu.
- 1973
- Changed trade name in 'Yamaichi Co.,Ltd.'
- 1987
- Completion of gas central factory in Shiga.
- 1989
- Established factory and office of Technology development in Hofu.
- 1992
- Established head office and head department of technology.
- 1995
- Established 'Cormax Co.,Ltd.' as the manufacturer of pillows.
- Established Hong Kong Yamaichi Co.,Ltd.
- 2000
- Established Taiwan Yamaichi Co.,Ltd.
- Established Yamaichi Electronic plastics (Wuxi).
- Opened office in Shanghai.
- 2003
- Established Inami Corporation as a laundry factory.
- Established office of ISO improvements.
- 2005
- Incorpolated 'Cormax Co.,Ltd.'
- Obtained the ISO 9001 certificate for the department of Synthetic resin.
- Obtained the ISO 14001 certificate at the Osaka office.
- Established Shanghai Yamaichi Co.,Ltd.
- 2007
- The company earns a permit to manufacture and sell Class 3 medical devices.
- 2010
- Yamaichi Electronic Plastic (Wuxi) Co., Ltd., relocates to a new and expanded factory.
- 2012
- Jinan Nest Textiles Co., Ltd., is established in Shandong Province, China.
- 2013
- Pt. Yamaichi Indonesia is established in Indonesia.
- 2014
- Yamaichi Plastile Sdn. Bhd. is established in Malaysia.
- 2016
- The company celebrates the 115h anniversary of its founding.
