• 1889
• Company founded

• 1923
• Company established

• 1962
• Listed in the Second Section of the Osaka Stock Market

• 1969
• Listed in the Second Section of the Tokyo Stock Market

• 1973
• The company name changed to Seiren Co., Ltd.
  Listed in the First Section of the Tokyo and Osaka Stock Markets

• 1984
• Established New York Office

• 1986
• Established Seiren U.S.A. Corp.

• 1989
• Established Viscotecs system

• 1990
• Established TPF Office

• 1994
• Established Saha Seiren Sriracha factory (Thailand)
  Opened Viscotec's Square Fukui

• 1997
• Opened New York Viscotec's Design Studio
  Established Seiren Produtos Automotivos Ltda.(Brazil)

• 1998
• Saudi Japanese Textile
  Established Viscotec U.S.A. LLC.

• 1999
• Processing Division certified to ISO9002

• 2000
• We acquired a patent for a business process centering on the Viscotecs system.
  TPF office certified to ISO14001

• 2001
• Automotive Interior Material Division acquired the ISO14001
  SAH SEIREN acquired the ISO9001 certificate
  Established Saha Seiren Kabinburi factory (Thailand)
  Established Viscotec Automotive Products.LLC.(U.S.A.)

• 2002
• Acquired RIOKA Co., Ltd., a swimwear apparel manufacturer
  Established SEIREN SUZHOU Co.,Ltd. (China)

• 2003
• Established Viscotec EU S.p.A. (Italy)

• 2004
• The Inauguration of the New Tokyo Headquarters
  Established Viscotec EU Design Studio (Belgium)
  Established Viscotec World Design Center,LLC.(U.S.A.)

• 2005
• Acquired textile business from Kanebo,Ltd.
  Established KB SEIREN,LTD.

• 2006
• Established Technical Center inside the General Life ScienceStation.

• 2007
• Established FM Center, LN Center, and SV Center within the General Life Science Station.

• 2008
• Completed construction of new headquarter building in Fukui.
  Business tie-up with BMD Private Limited (India).

• 2009
• Business tie-up with Borgstena Textile Portugal,Lda.(Portugal)

• 2010
• Seiren Shoji Co.,LTD. is absorption as for Seiren Houjing Co.,Ltd.
  Established Seiren Electronics Co.,Ltd.(China).

• 2011
• Start of sales of Viscotecs® system for non-textile uses.
  Established KBSEIREN Shanghai Chemical Fiber, LTD.（China）
  Opened Seiren EU Office.（France）