| 1948 |
NIPPON SENKA KOGYOSHO founded in Miyakojima Osaka city. |
| 1950 |
NIPPON SENKA Industry Co.,Ltd. established in Morikawachi Fuse city. |
| 1951 |
Powder type fixing agent developped for the first time in Japan. |
| 1959 |
Fixing agent for polyamide fiber "NYLONFIX" developped. |
| 1960 |
Wool protecting agent "SCALESET" and printing thicker "SENKAPRIMOGEN" developped. |
| 1965 |
Fixing agent for cellulose fiber "SUPRAFIX" developped. |
| 1968 |
Shiga konan factory completed. |
| 1969 |
Soil reforming agent "EIKAN NS" developped. |
| 1977 |
Fixing agent for reactive dyes "SENKAFIX" developped. |
| 1978 |
Leveling agent for polyester fiber "ESQUAL" developped. |
| 1985 |
Multi-purpose agent "MULTIFINE" developped. |
| 1989 |
Shiga laboratories established. |
| 1990 |
Corporate name changed to SENKA corporation. |
| 1991 |
SENKA [THAILAND] Co.,Ltd. established. |
| 1992 |
Flocculant "SENKAFLOCK" developped. |
| 1993 |
SENKA [THAILAND] Co.,Ltd. began production. |
| 1995 |
SHANGHAI DAXIANG CHEMICAL INDUSTRY Co.,Ltd. began production. |
| 1996 |
Additives for paper making "PAPYOGEN" developped. |
| 2000 |
50th anniversary of the foundation of a corporation. |
| 2001 |
SENKA pronounced replaceing alkyllphenol derivatives with non-alkyllphenol material. |
| 2003 |
SENKA made SHANGHAI DAXIANG a 100% owned subsidiary. |
| 2005 |
55th anniversary of the foundation of a corporation. |
| 2006 |
β-1,3(1,6)-glucan "BASIUMGEN" developped. |
| 2007 |
Synthetic thickener "SENKA ACTGEL" developped. |
| 2009 |
Core-corona type polymeric nanoparticles "NANO ATTACKER serise" developped. |
| 2010 |
60th anniversary of the foundation of a corporation. |
| 2011 |
Chlorine-free cationic polymer "UNISENCE series" developped. |
| 2013 |
Allyl-based Network Polymer Precursor "UNISENCE NPP series" developed.
Functional poly(DADMAC) "poly(DADMAC)-based polymer surfactant" "Amphiphilic poly(DADMAC)" developed. |
| 2014 |
COD reducer "SENKAFLOCK BM series" developed. |
| 2015 |
Deodorant processing agent "SENKAMELSEN series" developed.
65th anniversary of the foundation of a corporation. |
| 2017 |
Authorized as "The Driving Company for the regional future" by Japan's Ministry of Economy, Trade and Industry |
| 2020 |
70th anniversary of the foundation of a corporation. |
2022 |
Our coporation is a bluesign® system partner at 17th march,2022 |
