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Corporate Philosophy

We strive to maintain our company’s uniqueness by creating new value and practicing across-the-board on-hands management, while placing respect for the individual as a company priority.

Company Profile

Kohoku Kogyo Co., Ltd. was established in 1959 in Shiga (near Kyoto), Japan. It is the recognized market leader in lead terminals for aluminum electrolytic capacitors and holds over 50% of the world’s market share. Kohoku has factories in Japan, Malaysia and China (Dongguan and Suzhou).
In 2000 Kohoku established the Optical Business Division and entered into the fiber optic component business. After only a few years, Kohoku became one of the world’s major suppliers of multi-hole ferrules and multi-channel fiber array products.


1959 established in Shiga, Japan
2000 established Optical Business Division
set up Tokyo branch
Japan factory obtained ISO 9001 certification
2001 established Kohoku America Inc.
2002 the best in Ultra-High-Precision Fiber Array by “LIGHTWAVE” magazine
2003  the best in Silica 2–Channel Fiber Array by “LIGHTWAVE” magazine
2005 Japan and China factory obtained ISO 14001 certification
2006 China factory obtained ISO 9001 certification

Global Network

Headquarters 1623, Takatsuki, Takatsuki-cho, Nagahama-shi, Shiga, 529-0241, Japan
TEL : (81)749-85-6260 FAX : (81)749-85-3215
Tokyo Branch 3F, Shinagawa City Bldg, 2-11-1, Kounan, Minato-ku, Tokyo, 108-0075, Japan
TEL : (81)3-5220-0208 FAX : (81)3-5220-0210
Kohoku America Inc. 4 Virginia Lane, Stoneham, MA 02180, U.S.A.
TEL/FAX : (1)781-279-0623
Kohoku Electronics (CD)
(China Factory - Dongguan)
Bai Ye Industry Zone, Liaobu Town, Dongguan, Guangdong,
523411 China
TEL : (86)512-6808-6000 FAX :(86)512-6808-6001
Kohoku Opto-Electronics Co., Ltd.
(China Factory - Suzhou )
No.1 Standard Factory, 98 Heng Shan Road, Suzhou New District, Jiangsu, 215009, China
TEL : (86)512-6808-0635 FAX : (86)512-6808-0767
Kohoku Electronics (M) Sdn. Bhd. LOT 2, Jalan Waja 15, Kawasan Perindustrian,
C(PKNS) Telok Panglima Garang.
42500 Kuala Langat, Selangor Darul Ehsan, Malaysia
TEl.60-3-3122-9475 FAX.60-3-3122-9478
Kohoku Electronics (S) Pte. Ltd. 600 North Bridge Road, #19-10, Parkview Square, Singapore 188788
TEl : (65)-6285-1922 FAX : (65)-6284-9334