SMM Group (Domestic)
Materials Business

Sumiko Kunitomi Denshi Co., Ltd.

Address
351-1 Kunitomi, Kyowa-cho, Iwanai-gun, Hokkaido 048-2143, Japan
Phone · Facsimile

Phone : 81-135-72-1211 Facsimile : 81-135-72-1200

Operations
Manufacture of crystal products and magnetic materials

Ohkuchi Electronics Co., Ltd.

Address
1755-2, Ohkuchi-Ushio, Isa, Kagoshima 895-2501, Japan
Phone · Facsimile

Phone : 81-995-22-7511 Facsimile : 81-995-22-8579

Operations
Manufacture of functional inks and crystal products, recycling of precious metals
URL
http://www.ohkuchielectronics.co.jp

SMM Precision Co., Ltd.

Address
4-4 Ougibuchi, Ougida, Noshiro, Akita 016-0122, Japan
Phone · Facsimile

Phone : 81-185-70-1161 Facsimile : 81-185-70-1166

Operations
Manufacture of optical communications components

GRANOPT Co., Ltd.

Address
4-4 Ougibuchi, Ougida, Noshiro, Akita 016-0122, Japan
Phone · Facsimile

Phone : 81-44-223-4010 Facsimile : 81-44-223-4011

Operations
Manufacture and sale of rare earth iron garnet (RIG)
URL
http://www.granopt.jp/en/
Tokyo Div.
14-19 Ogawa-cho, Kawasaki-ku, Kawasaki, Kanagawa 210-0023, Japan

Phone : 81-44-223-4010 Facsimile : 81-44-223-4011

Niihama Electronics Co., Ltd.

Address
1-10, Oji-cho, Niihama, Ehime 792-0008, Japan
Phone · Facsimile

Phone : 81-897-37-2411 Facsimile : 81-897-37-2412

Operations
1.Manufacture of adhesiveless copperclad polyimide film
2.Manufacture of battery materials
URL
https://www.niihamadenshi.jp (Japanese Version Only)

Shinko Co., Ltd.

Address
12238, Nakaminowa, Minowama-machi, Kamiina-gun, Nagano 399-4692, Japan
Phone · Facsimile

Phone : 81-265-79-0121 Facsimile : 81-265-79-4833

Operations
Development design, manufacture and sale of substrate for multi layer / double-sided wiring board
URL
http://www.shinkoss.co.jp (Japanese Version Only)

Sumiko Tec Co., Ltd.

Address
2-3-19,Shinyokohama, Kohoku-ku, Yokohama, Kanagawa 222-0033, Japan
Phone · Facsimile

Phone : 81-45-285-2341 Facsimile : 81-45-285-2375

Operations
Terminals and connectors for electronic and electric equipment components, electric wire, power cords and pressure bonding machines relating to the above, and their mentainance Manufacture and sale of formed products for optical equipment, etc.
URL
http://www.sumiko-tec.co.jp (Japanese Version Only)

N. E. Chemcat Corporation

Address
4-1, Hamamatsucho 2-chome, Minato-ku, Tokyo, 105-6124 Japan (World Trade Center Building, 24F)
Phone · Facsimile

Phone : 81-3-3435-5490 Facsimile : 81-3-3435-5484

Operations
1.Manufacturing and sale of automotive catalyst and chemical catalyst
2.Precious metal recovery and refining
URL
http://www.ne-chemcat.co.jp/eg/

Nippon Ketjen Co., Ltd.

Address
1-2-1, Shibaura, Minato-ku, Tokyo 105-6791, Japan (Seavans North, 20F)
Phone · Facsimile

Phone : 81-3-5442-5061 Facsimile : 81-3-5442-5070

Operations
Manufacture and sale of hydroprocessing catalysts/off-site regeneration service and catalysts reactivation service
URL
http://www.nippon-ketjen.co.jp/en/

Sumitomo Metal Mining Siporex Co., Ltd.

Address
11-3, Shimbashi 5-chome Minato-ku, Tokyo 105-0004, Japan (Shimbashi Sumitomo Building, 4F)
Phone · Facsimile

Phone : 81-3-3435-4660 Facsimile : 81-3-3435-4651

Operations
Manufacture and sale of ALC (Autoclaved Light-weight Concrete) and other construction materials/ Manufacture and sale of seismic isolation devices
URL
http://www.sumitomo-siporex.co.jp (Japanese Version Only)

Sumico Lubricant Co., Ltd.

Address
11-3, Shimbashi 5-chome Minato-ku, Tokyo 105-0004, Japan (Shimbashi Sumitomo Building, 7F)
Phone · Facsimile

Phone : 81-3-5425-6702 Facsimile : 81-3-5401-0471

Operations
Manufacture and sale of various lubricants (particularly special lubricants containing molybdenum)
URL
http://www.sumico.co.jp/e/

Ohkuchi Materials Co., Ltd.

Address
1746-2, Ohkuchi-Ushio, Isa, Kagoshima 895-2501, Japan
Phone · Facsimile

Phone : 81-995-22-8421 Facsimile : 81-995-22-9774

Operations
Manufacture of leadframes

Sumiko Energy Materials Co., Ltd.

Address
1-1 Aza Nakamaru, Oaza Yamadaoka, Naraha-machi, Fukushima, Japan
Phone · Facsimile

Phone : 81-240-25-8005 Facsimile : 81-240-25-8011

Operations
Manufacture of battery materials
URL
http://www.sumiko-em.co.jp (Japanese Version Only)

SICOXS CORPORATION

Address
11-3, Shimbashi 5-chome Minato-ku, Tokyo 105-0004, Japan (Shimbashi Sumitomo Building, 7F)
Phone · Facsimile

Phone : 81-3-3437-5220 Facsimile : 81-3-3437-5222

Operations
Development, Manufacture, Sales, of SiC substrate for power semiconductor
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