History

Company in Outline

Registered Name Sankyo Kasei Co., Ltd.
Incorporation August 1,1961(Founded in 1907)
Capital ¥290,000,000
Settlement Term September
Enployees 150 (Akitsu Works:120)
Stocks Total Stocks:580,000
Main Shareholders:Masaya Maeda 300,000, Chieko Maeda 107,860,
Kiyoko Ishida 45,943,
Kinya Takase 40,260,
Bank The Mizuho Bank Ltd. (Minami Senba Branch)
The Mitsubishi Tokyo UFJ Bank Ltd. (Nakanoshima Branch)
The Risona Bank Ltd. (Dojima Branch)
The Kinki Osaka Bank Ltd. (Umeda Branch)
Main Products Manufacture & sales of Organic Chemical Products
· Zislizer (UV absorber)
· Zisnet (Polymer additive)
· Santhiol (Heavy metal remover)
· ONA and ONA derivatives
· Benzophenone derivatives
· Intermediates for Photoresists
· Metal-free organic chemical compounds
· Pharmaceutical intermediates
· Organic sulfur compounds
· Other organic intermedeates for dyestuffs, pesticides and resins

Manufacture & sales of Inorganic Chemical Products
· Crystal Sodium sulfide
· Flake Sodium sulfide
· Flake Sodium hydrosulfide
· Sodium hydrosulfide (liquid)
· Sodium polysulfide
· Sodium sulfate
· Sodium thiosulfate

Contract development & manufacture of other Chemical Products
Offices, Plants

Haed Office

AQUA DOJIMA WEST, 4-16, Dojimahama 1-Chome,Kita-ku, Osaka, 530-0004, Japan.
Telephone: +81-6-6345-4138
Facsimile: +81-6-6345-4113

Tokyo Office

SURUGA Bldg., 7-1, Nihonbashi-Muromachi 1-Chome,Chuo-ku, Tokyo, 103-0022, Japan.
Telephone: +81-3-5205-2511
Facsimile: +81-3-3274-2220

Akitsu Works

4234, Akitsu-cho, Higashihiroshima City, Hiroshima Pref.,739-2402, Japan.
Telephone: +81-846-45-1160
Facsimile: +81-846-45-1170

Affiliated Company

Korea Sankyo Kasei Co., Ltd.

Haed Office #105, Bukjung-Dong, Yangsan-City, Kyungnam, Korea
Capital 500,000,000 won.
Main Products Manufacture of Sodium sulfide.

Dongying Sankyo Chemical Co., Ltd.

Haed Office No.2 Petrochemical Industrial Park, Kenli, Dongying, Shandong, China
Capital 20 million RMB
Main Products Manufacture of Sodium hydrosulfide.

Corporate History

1961 Maeda Chemical Industry Co. merged with Asahi Chemical Industry Co. to establish Sankyo Kasei Co.
Capital: ¥30 million
Capital increase: ¥50 million
1962 Sodium hydrosulfide plant completed (Akitsu Plant)
1964 Sodium sulfate plant completed (Mihara Plant)
1967 Crystal sodium sulfide plant No.1 completed (Akitsu Plant)
1969 Sodium hydrosulfide technical liquid plant (Kainan Work)
Crystal sodium sulfide plant No.2, and sodium sulfide plant completed (Akitsu Plant)
1970 Capital increase: ¥90 million
1971 Joint venture "Korea Sankyo Kasei Co." established.
Pharmaceutical intermediate "Guayacol" Plant completed (Mihara Plant)
Heavy metal remover "Santhiol" production started (5 related patents were filed in 14 countries)
1972 Heavy metal remover "Santhiol" was awarded with the 22nd Industrial Technical Prize of Osaka Industrial Research Association
1973 Reduction plant completed (Akitsu Plant)
1974 Polymer additive "Zisnet" production started (40 related patents)
High temperature high pressure plant completed (Akitsu Plant)
1975 Integral waste water treatment plant completed (Akitsu Plant)
Sodium thiosulfate plant completed (Akitsu Plant)
Capital increase : ¥100 million
1977 Integral waste water treatment plant completed (Mihara Plant)
1979 UV absorber "Zislizer" production started.
1981 Photoresist additive (benzophenone system) production started.
1983 Fine chemical multi-plants "F-1", "F-2" completed
1985 Flake plant, contact oxidation waste water treatment plant completed.
1988 Tokyo Business Office opened.
1991 Clean room plant "F-3" completed.
Ultra-pure water facility installed.
1993 Capital increase to ¥290 million
1994 Fine chemical multi-plant "F-5" (GMP standard) completed.
Fine chemical multi-plant "F-6" completed.
1996 Fine chemical multi-plant "F-8" completed.
1997 Fine chemical multi-plant "F-7" completed.
Pilot plant completed.
1999 ISO 9002 approval obtained for production of photoresist intermediate.
2001 New corporate slogan "Human Chemistry" announced.
2003 Fine chemical multi-plant "F-10" completed.
ISO 9001 (2000 version) approval obtained for Head Office, Tokyo Office and Atitsu Plant.
2005 ISO 14001 approval obtained for Head Office, Tokyo Office and Atitsu Plant.
Process Technology Laboratory (PT Lab) opened in Akitsu Plant.
2006 Chiral Design Laboratory (CDL), a venture company, opened in Osaka City.
2007 Dongying Sankyo Chemical Co., Ltd. established in Shandong Province, China.
Electronic Technology Laboratory (EL Lab), a research and inspection facility specialized in metal contamination free technology, opened in Akitsu Plant.
Sulfur Chemical Institute (SCI), a venture company, opened in Iwate Prefecture.
2008 Clean metal free plant “F-11” for electronic materials completed in Akitsu Works.
The project celebrating the centennial of Sankyo Kasei performed.

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