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Corporate History
2005

July:

Establishment of KB SEIREN, Ltd. as a joint venture company of SEIREN Co., Ltd. and Kanebo, Ltd.; succeeded major textile businesses of Kanebo, Ltd. (cotton,silk, nylon, polyester) through transfer of operations

October:

KB SEIREN, Ltd. became a wholly-owned subsidiary of SEIREN Co., Ltd.

2006

March:

Establishment of Research and Development Center on the premises of Hokuriku Synthetic Fibers Plant

June:

Completion of nylon production facility transfer from Hofu to Hokuriku; completion of industrial materials knitting factory and final products production factory, both on the premises of Nagahama Plant, to establish an integrated production system with use of differentiated yarns from Hokuriku Synthetic Fibers Plant

2007

April:

Launch of nylon filament with tactile coolness

June:

Launch of non-see-through polyester filament

2008

October:

Completion of the second-phase construction of“White”Factory,
to pursue expansion of integrated production system for industrial materials

2009

March:

Withdrawal from natural fiber business at Nagahama Plant

2010

May:

Launch of fine-denier engineering plastic fibers

2011

April:

Establishment of KB SEIREN Shanghai Chemical Fiber, Ltd. in Shanghai, China

History of Major Textile Businesses Succeeded by KB SEIREN
1889 Cotton spinning operations (30,000 spindles) started in Kanegafuchi, Sumida-ku, Tokyo
1916 Construction started for Yodogawa Plant, the then-largest cotton fabric plant in Asia
  • 1918: Plant operations started
  • 1924: Yodogawa Plant No.3 (for printing) started its operations
1919 Establishment of a cotton spinning factory in Shanghai, China
1930 Nagahama Plant started its operations as a silk fabric plant
  • 1940: Dyeing/finishing of silk fabrics started
  • 1964: Dyeing/finishing of synthetic fiber fabrics started
  • 1977: Dyeing/finishing of artificial suede started
  • 1980: Dyeing/finishing of car seat materials started
1940 Production started for“Kanebian, " Japan's first synthetic fiber
1962 Construction started for a nylon production plant in Hofu,Yamaguchi; operations started in 1963
1968 Full production of polyester filaments started at Hofu Synthetic Fibers Plant
1970 Construction started for Hokuriku Synthetic Fibers Plant as Kanebo's second production site for synthetic fibers
  • 1972: Spinning from chips started
  • 1973: Continuous direct polymerization plant started its operations
  • 1985: Production started on SPD winding machines
  • 1986: Production started on conjugated spinning machines
  • 1988: Completion of polyester production centralization to Hokuriku
1977 Launch of artificial suede made of split-type conjugate microfiber
1978 Launch of conductive fiber
1981 Reorganization of Nagahama Plant for integrated production, by transferring facilities of Yodogawa Plant
  • 1981: Dyeing/printing of cotton fabrics started
  • 1983: Production of LEONARD printing started
1982 Launch of polyurethane spunbond
1985 Launch of high-tech wiping cloth for clean rooms
1986 Launch of composite yarn for hosiery
1990 Received the Invention Practice Service Prize from the Japan Institute of Invention and Innovation for production technology for ultra-fine microfiber
1992 Received the Prize for New Fiber Technology from the Society of Fiber Science and Technology, Japan, for production technology for microfiber artificial suede; also received the Grand Production Prize from the Okochi Memorial Prize for the same technology
2004 Launch of nanotechnology-based multilayered fabric with moisturizing effect
2005 Transfer of cotton and silk operations(including Nagahama Plant), along with polyester and nylon operations (including Hokuriku Synthetic Fibers Plant), from Kanebo, Ltd. to KB SEIREN, Ltd.
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