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

Paid-In Capital
400 million yen
President
Koichi Uzawa
Number of Employees
274
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

Paid-In Capital
1 billion yen
President
Hiroyuki Sakata
Number of Employees
265
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

Paid-In Capital
150 million yen
President
Takio Sekino
Number of Employees
78
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

Paid-In Capital
150 million yen
President
Eiji Yamaguchi
Number of Employees
70
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

Paid-In Capital
9 million yen
President
Hiroki Hata
Number of Employees
251
Operations
Manufacture of adhesiveless copperclad polyimide film

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

Paid-In Capital
737.5 million yen
President
Takahito Itou
Number of Employees
280
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

Paid-In Capital
490 million yen
President
Kazuo Iijima
Number of Employees
303
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)

Nittosha Co., Ltd.

Address
1692 Kuzuhara, Fujisawa, Kanagawa 252-0822, Japan
Phone · Facsimile

Phone : 81-466-48-6200 Facsimile : 81-466-48-6206

Paid-In Capital
90 million yen
President
Satoshi Iseki
Number of Employees
60
Operations
Plating of metal products, surface treatment, processing and distribution
URL
http://www.nittosha.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

Paid-In Capital
3.4235 billion yen
President
Isao Okada
Number of Employees
626
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

Paid-In Capital
480 million yen
President
Hiromasa Ooba
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

Paid-In Capital
5 billion yen
President
Yoshimichi Aono
Number of Employees
383
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

Paid-In Capital
72 million yen
President
Kazumi Nishimura
Number of Employees
111
Operations
Manufacture and sale of various lubricants (particularly special lubricants containing molybdenum)
URL
http://www.sumico.co.jp/e/

SH Materials Co., Ltd.

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

Phone : 81-3-6402-7260 Facsimile : 81-3-3433-3480

Paid-In Capital
350 million yen
President
Shuichi Ogasawara
Number of Employees
5
Operations
Sale of leadframes
URL
http://www.shmtrl.com (Japanese Version Only)

Niihama Materials Co., Ltd.

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

Phone : 81-897-37-2480 Facsimile : 81-897-37-2412

Paid-In Capital
391 million yen
President
Norifumi Nagai
Number of Employees
101
Operations
Manufacture of leadframes

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

Paid-In Capital
100 million yen
President
Kaoru Hishiki
Number of Employees
152
Operations
Manufacture of leadframes

Sumiko Energy Materials Co., Ltd.

Address
11-3, Shimbashi 5-chome Minato-ku, Tokyo 105-0004, Japan
Phone · Facsimile

Phone : 81-3-3436-7743 Facsimile : 81-3-3436-7827

Paid-In Capital
150 million yen
President
Shinichi Yasuda
Number of Employees
94
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

Paid-In Capital
570 million yen
President
Toshiyuki Sekimori
Number of Employees
14
Operations
Development, Manufacture, Sales, of SiC substrate for power semiconductor
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