Our Philosophy

Our Philosophy

Tokiwa Seisakusho is still on its way in development. In any circumstance, we do our best to fully exert our originality and creativity to improve our technology and to nurture our employees’ challenging spirits.

“Without failure, there’s no success” is the slogan we always bear in mind so that we can continually strive to improve quality, technology and capacity of employees. We also value good communication within the company, by fostering a culture of openness.

Building upon experiences and technological expertise we have accumulated over the years, we will make further effort to provide products that meet diversifying needs of our clients, while also contributing to the betterment of our society.

Management philosophy

1.Put Trust First
We make great efforts to establish long-lasting trusting relationships with our clients, employees and local community.

2.Stable and High Quality
We pursue optimum quality that serves diversifying needs of our clients.

3.Without failures, there’s no success
We encourage our employees to take up a challenge to enter new fields and to improve technology, without having a fear of failure.

4.Social Responsibility
We contribute to further development and harmony of local community and society.

Message from the President

Turn Dreams into Power,
Cast Dreams into Shape
– through constant effort and
passionate endeavor.

Message from the president
Since the company was founded in 1960, we have been devoted to manufacture and sale of iron and non-ferrous products, mainly for marine vessels, with our unchanged motto: Continuous effort to improve technology and to earn trust from our clients. Given the ongoing technological innovation, the global economy is expected to change in an accelerated rate, with diversifying and more complicated needs from customers. To survive such circumstances, we place top priority on trusting relationships with our customers as well as with our employees. We will strive to serve our customers’ diversifying needs with “the challenging spirit without fear of failure”, while making every effort to improve capacity of our employees. With our slogan, “Turn Dreams into Power, Cast Dreams into Shape”, we will strive to progress with passionate endeavor in years to come. I ask for the continued support from our clients and partners.

Toshihiro Mizoguchi, President

Company Profile

Company name Tokiwa Seisakusyo
President Toshihiro Mizoguchi
Business Operations Manufacture and sale of fittings for marine vessels
Established November 1, 1960
Capital 20 million yen
Number of employees 51
Main client Kawasaki Heavy Industries, Ltd.


  • November 1960
    Tokiwa Seisakusho was established and began operations in Hyogo-ku, Kobe City, with Shizumasa Hasegawa as the president.
  • September 1966
    Joined the Cooperative Association of Partner Factories for Kawasaki Heavy Industries
  • June 1967
    Constructed and began operation of the Akashi Plant in Nishi-ku, Kobe City due to business expansion
  • June 1968
    Constructed and began operation of the Sakaide Plant in Hanzan-cho due to business expansion and for easier delivery to Kawasaki Heavy Industries’ Sakaide Plant.
  • August 1986
    Began manufacturing of machine parts for submarines for Kawasaki Heavy Industries
  • April 1988
    Began manufacturing of fittings for jetfoil for Kawasaki Heavy Industries
  • May 1992
    After the death of Shizumasa Hasegawa, Takashi Iwahana became the president
  • August 2001
    Through arrangement by Kawasaki Heavy Industries, started trading of merchant vessel fittings with Nangton YP, a group company of COSCO (COSCO Shipping Lines Co., Ltd.) and a partner company of NACKS (a joint-venture shipyard owned by Kawasaki Heavy Industries and COSCO), in Nangton, Chiangsu Province, China
  • October 2017
    Takashi Iwahana became the chairman. Toshihiro Mizoguchi assumed the president


Head Office

1-1-20 Hyogo-cho
Hyogo-ku, Kobe, Hyogo 652-0813, Japan (MAP:Google MAP)
Phone: +81-78-651-0030
Fax: +81-78-651-6858

Total site area: 142.0m3, Office and warehouse: 346.5m3

Akashi Plant

600-1 Tsukueda, Imazu, Tamatsu-cho
Nishi-ku, Kobe, Hyogo 651-2128, Japan (MAP:Google MAP)
Phone: +81-78-918-0601
Fax: +81-78-917-6505

Total site area: 2970.6m3, Office and warehouse: 2419.9m3
Crane capacity: max 10 ton

Sakaide Plant

141-2 Kunimochi, Nishisakamoto, Hanzan-cho
Marugame, Kagawa 762-0087, Japan (MAP:Google MAP)
Phone: +81-877-98-2231
Fax: +81-877-98-7112

Total site area: 6168.0m3, Office and warehouse: 3051.41m3
Crane capacity: max 10 ton

Foreign operation

China : Nangton YP

Jiangsu province Nantong city Gangzha District ship supporting industry centralized area of Baosteel No. 6 (MAP:Google MAP)
Phone: +86-513-81026500
Fax: +86-513-85718608
URL: http://www.coscoyp.com/

China :Shanhai K&T Trade Co.,LTD.

上海市浦东区金桥路1389号 金桥大厦1305室 (地図:Google MAP