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Aug 27, 2025

2025.10.7(TUE)-10(FRI) Kohan Kogyo will be exhibiting JAPAN PACK 2025 ~Japan packaging Machinery Manufacturers Association ~  [ 5-424EAST Hall 5 Tokyo Big Sight.]

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Jan 16, 2025

Visit us at the 15th WIND EXPO <Tokyo>, February 19 - 21, 2025.

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May 22, 2024

Visit us at the 36th Manufacturing World <Tokyo>, June 19 - 21, 2024.

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May 05, 2024

Kohan Kogyo Co., Ltd. celebrated its 90th anniversary on May 5, 2024.

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Apr 01, 2023

Chikara Yanai, Managing Executive Officer, has assumed the position of President.

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Sep 1, 2022

Kohan Kogyo Co., Ltd. Taiwan Branch has relocated.

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Mar 29, 2021

Our website has been renewed.

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Apr 01, 2020

We have organized a new team named “President Office Project for Planting Seeds for Future Opportunities.”

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Apr 01, 2020

Yukimasa Shiomichi, former Senior Executive Officer, has assumed the position of President.

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Jul 01, 2019

Mishima Sales Group for hard materials sales has been established in Shizuoka prefecture.

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Mar 18, 2019

Tokyo Sales Department has relocated to the Osaki Forest Building (Toyo Seikan Group’s headquarters).

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Sep 01, 2018

Mishima Branch of Hard Materials Works has been established in Shizuoka prefecture.

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Apr 01, 2018

We will establish a new production base for our surface modification business in Shizuoka in September 2018.

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Jul 21, 2016

Kohan Kogyo Korea Co., Ltd. has relocated to Busan, Korea.

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Aug 04, 2015

We have installed additional nitriding furnace for the Plasma Hard nitriding process at Hard Materials Works.

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Apr 01, 2015

We have created Management Planning Division.

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Apr 01, 2014

Kazunori Nakano, former Senior Executive Officer, has assumed the position of President.

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Sep 01, 2012

We have established Kohan Kogyo Korea Co., Ltd. in Seoul, Korea.

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Apr 01, 2012

We have established Kohan Kogyo Co., Ltd. Taiwan Liaison Office in Taichung, Taiwan.

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Jan 31, 2012

Our website has been renewed.

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Aug 09, 2010

Nagoya Sales Group of Osaka Branch has relocated.

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Apr 01, 2010

Toshio Yamamoto, former Vice President, has been appointed as President, while the position of vice president has been abolished due to organizational changes.

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Apr 01, 2010

Hard materials (KHM) sales operations of Toyo Kohan Co., Ltd. have been transferred to Kohan Kogyo to achieve integrated management of production and sales for hard materials.

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Apr 01, 2010

We have reorganized Tokyo Branch by establishing Machinery Sales Department and Hard Materials Sales Department in the office, and created Nagoya Sales Group, in addition to Osaka Sales Group, in Osaka Branch.

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Jul 03, 2009

The position of vice president has been created following a reorganization.

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May 29, 2009

We have established Toyo Kohan Shanghai Co., Ltd. as a new sales and service base in Shanghai, China.

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Apr 02, 2009

Our Chinese-language website is now open.

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Mar 03, 2008

The instruction manuals of BESTORQUE SA, SA-P and BIII models have been renewed from a safety perspective.

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Nov 23, 2007

Our website has been renewed.

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1394 Nishitoyoi, Kudamatsu, Yamaguchi 744-0011, Japan
Phone: +81-833-41-2747 Fax: +81-833-43-9529

Copyright (C) KOHAN KOGYO CO., LTD. All Rights Reserved.

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