Company Profile

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Company Profile

Company name
Unozawa-gumi Iron Works, Limited
Head Office
1-19-15, Ebisu, Shibuya-ku, Tokyo, 150-0013
Registered Office
2-36-40, Shimomaruko, Ota-ku, Tokyo, 146-0092
Google Map
Chairman: Torao Unozawa
President: Tsutomu Higuchi
Start of business
In August 1899
Company foundation
In December 1933
785 million yen
Day of settlement of accounts
Listed Stock Exchange Market
Second Section of the Tokyo Stock Exchange
Business outline
Manufacturing and sales of rotary blowers, dry vacuum pumps, and water ring type vacuum pumps
HQ: Tamagawa Factory
2-36-40, Shimomaruko, Ota-ku, Tokyo, 146-0092
Phone:03-3759-4191 Fax:03-3759-4251
Sales Department
Phone:03-3759-8101 Fax:03-3759-8105
Osaka Sales Office
Sakurabashi Yachiyo Bldg., 2-5-6, Umeda, Kita-ku, Osaka City, 530-0001
Phone:06-6344-0747 Fax:06-6344-2405
Unosawa Service Center
1511-1, Amarie, Chiyoda-cho, Kanzaki-shi, Saga, 842-0054
Phone:0952-52-44-6152 Fax:0952-44-6452

Management Philosophy

By putting together the power of all employees,
improving ourselves all the time and contributing to society by trusted quality meeting the customer’s needs, we aim at steady management that makes everybody happy.

Management Policy

01Quality assurance for the customer and establishment of reliability

By grasping the requests of customers and the market, establishing the quality assurance structure to meet such requests, and trying to assure absolute trust through meticulous activities, we aim to expand the company businesses.

02Improving the quality of work and achieving economical production

Extracting the problems of daily work, managing and improving such problems to enhance productivity, reduce costs, assure the delivery schedule, eradicate failures and accidents, reduce expenses,
and remove other wasted factors, we aim to reflect these to costs through optimum production always and to contribute to society.

03Retaining and enhancing good services and positive human relationships

We will create the ideal sales and service structure to improve and enhance the service for customers by conducting meticulous activities while always thinking about the people who use our products. Furthermore, each of us will conduct self-development and mutual-development, create positive human relationships through high quality mindset and morale, and improve the team play and cooperative play among the departments.

04Research and development of new products/technology and accumulation of such assets

We will understand the market trend through always conducting market research and technology research and make efforts to improve and enhance R&D, aiming always to take the top position in the industry by our unique technology. And we will accumulate such unique technology and management technology to strengthen our ability.

Engagement to quality

Our “product creation” mindset resides in the wish of “achieving quality trusted by the voices of customers.” Our earnest will for quality is based on our belief that satisfaction of our customer and reliability must come first. To solidify the reliability to our products used all over the world, we obtained the international standard for “Quality System” in July 1998.

The scope of registered certification ISO9001

  • - Rotary blower and vacuum pump (roots type)
  • - Dry vacuum pump (roots type)
  • - Vacuum pump/compressor (water ring type, reciprocating type)
  • - Vacuum type continuous deairing apparatus

Quality policy

The message “We aim to be No. 1 company of customer reliability as professionals of blowers/vacuum pumps” is positioned as the corporate vision, and we will build quality management systems to achieve this and will improve this continuously.

Corporate governance

The basic policy is displayed here.