Year
Month
Description
1986 
January
Newly organized the Business Development Section at Fukutani Co.,Ltd., Tokyo Office, and started far-infrared  radiation business including industrial materials.
1989 
January
Founded Firbest Co., Ltd.
1991
February
Worked development of technology for dehydrating fishes/shells utilizing far-infrared radiation.
1992
August
Registered KODENSHI® trademark.
1993 
October 
Developed KODENSHI® nylon staple and polyester staple.
November
Worked development of technology for dehydration of wooden materials utilizing far-infrared radiation.
1995
May
Developed KODENSHI® nylon filament.
1997
March
Became a full member of Japan Far Infrared Rays Association.
June
Became a committee member of the Fiber Division at Japan Far Infrared Ray Association.
1998
July
Obtained patents for combination ratio of ceramics in far-infrared radiation materials in 13 countries including Japan.
2000
March
Started sales and marketing of KODENSHI® Down materials.
October
Katsuyoshi Masui, former vice president of Nippon Association of Consumer Specialists became an auditor at Firbest.
2002
September
Started sales and marketing of the powder with far-infrared radiation effect for cosmetic use domestic and overseas.
2004
October
Started sales and marketing of  PrimaLoft, developed in coordination with U.S. Albany International Corp. and  Goldwin Inc.
2006
September
“The fertilizer additive development program” developed in coordination with D.P.O. (the Dairy Farming Promotion Organization of Thailand, the former Thai-Denmark Dairy Farm) was recognized its effect by Tokyo Metro Business Innovation Planning Committee.
2007
June
Became a Board member of Japan Far Infrared Rays Association.
2008
January
Obtained patents for far-infrared radiation materials in 11 countries overseas.
June
Received “Excellent Product & Technology Award” from Japan Infrared Rays association.
August
Obtained patent for far- infrared radiation materials in Japan.
2009
February
Started sales and marketing of KODENSHI® Down materials with water-proof effect.
2010
November
Registered「HYDROWARMER®」「AQUAJADE®」trademarks
2011
January
Started production of KODENSHI® fibrous materials overseas (Taiwan).
2012
February
Started production of KODENSHI® Acrylic and Polypropylene fiber in addition to Nylon, Polyester, and Rayon.
2013
May
Mr. Yuichiro Miura, famous pro-skier and alpinist, accomplished the ascent of Himalaya Mountain at his age 80, wearing KODENSHI® inner and outer materials.

Last updated 14/05/09