HAKUSAN,Inc. supports the information and communication
with a MT connector and thunder protection deveice.


Message from our CEO and company philosophy

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Message from our CEO

Our leading edge technologies provide “Connection and Safe & Secure Environment” in Business

For 70 years since the foundation, we have been providing the world highest level products of optical connectors, surge protection devices, super precise molding products, UPS with RIB, and welding machines to the customers around the world.
Our key word is “Connection and Safe & Secure Environment”.


We are the professionals who change ourselves along with the customers’ requests

In the field of optical connectors, the customers’ requirements will be expanding from for FTTH to data center wirings and to optical interconnect of circuit boards dramatically.
As the application field increases, the new problem to be solved appears.

We would like to be the professionals who confront the issues seriously, pursue the technology to solve the customers’ problems, and provide the customer satisfaction far more than expected.

We are happy to make efforts to be the professionals who change and make progress along with the customers.

CEO Tatsuya Yonekawa


Our company acquires ISO9001 which is a global standard of quality management system in 1996. 

After that, we acquire ISO9001:2008 in 2010.


Our company acquires ISO14001 which is a global standard of environmental management system in 2002. 

Then, we acquire ISO14001:2004 in 2006.


When you have some questions and consultations about a product, please contact us.