Optical components and devices of Kohoku Kogyo are widely used in the fiber-optic communication network to connect the world.

As various information devices such as smartphones and IoT devices have been spreading all over the world, demands for fiber-optic communication have been growing explosively.

Optical fiber network has become indispensable social infrastructure supporting the increasing communication traffic.

Optical components and devices of Kohoku Kogyo in this fiber-optic communication network, especially in undersea cables which require specially high reliability, are supporting lives and business all over the world.

In addition, we are promoting activities to enter the space satellite optical communication business, utilizing the technology to realize high reliability. We will accommodate with new business demands such as uniform services that do not depend on terrain and economic rationality, environmental monitoring, and communication methods in the event of a disaster.

Inline Optical Isolator

Based on the unique manufacturing method by our own technology, we manufacture and market the optical components for the optical fiber communication network.