Company Information

Achieving superior quality Tooling fabrication with high quality and technologies cultivated through ROHM semiconductor manufacturing.
Corporate Policy

ROHM MECHATECH, a member company of the ROHM Group,supports the basis of modern semiconductor-based society

ROHM MECHATECH’s products are the basis of semiconductor manufacture. The ROHM Group occupies a high share in the supply of electronic devices including ICs, transistors and diodes. ROHM MECHATECH supplies Leadframes required for the production lines of these products.
Most Dies, including Molding Dies for resin encapsulation and Trimming/Forming Dies are supplied by ROHM MECHATECH.
We intend to contribute to the entire electronics industry as a behind-the-scenes player in the modern semiconductor-based society.

ROHM MECHATECH in pursuit of ever higher precision

Smartphones, tablet PCs, hybrid vehicles, and more...
We are now living in an era in which we do not spend even a single day without using electronics products of some sort.
All such products contain small chips called semiconductors.
ROHM CO., LTD. as a leading chipmaker has been supplying high quality product continually and stably.
ROHM Mechatech CO., LTD is a developer and manufacturer of Tooling and Leadframes used for semiconductor production. With extremely high-precision processing technologies that do not even allow an error of 1μm, ROHM MECHATECH satisfies the needs for increasingly complicated semiconductors. Through its development and manufacturing technologies, which are of the highest level in the industry, ROHM MECHATECH is building up the future of society with its high-precision technologies. ROHM MECHATECH contributes to society through its superfine processing technologies.


Quality is our top priority at all times.
Our objective is to contribute to the advancement and progress of culture through a consistent supply, under all circumstances, of high quality products in large volumes to the global market.

We shall respond customers' trust with the mottoQCDSE.

Quality (Good one) High level manufacturing technology that supports high quality
Cost (Cost) at fair cost
Delivery (Fast) when you need as necessary
Service (Service) Promptly respond to customers' need
Environment (Environment) Product manufacturing considered global environment

Secure reasonable profit through a concerted company-wide effort for a comprehensive quality assurance program.
Develop globally leading products by improving upon technologies held by each department for continued advancement of the company.
Maintain healthy and vigorous lifestyles and refine intellect and humanitarianism, hence contributing to society.
Search extensively for capable human resources and cultivate them as cornerstones for building long-term prosperity.


  1. Promote internal standardization for the whole company and establish control structures for QC management by data.
  2. Conduct comprehensive and continuous research for the development of new technologies and products.
  3. Proactively utilize methods of statistical control for all areas of company activities.
  4. Establish quality assurance structures for all manufacturing processes.
  5. Exert effort for cost reductions of each product by continual modernization of manufacturing systems.
  6. Secure quality assurance programs of raw materials and components with our suppliers through contracts.


  1. Develop personnel at all levels to constantly strive to obtain new knowledge and to acquire empirical reasoning ability from a broad perspective.
  2. Train staff to be dedicated as leaders in their field by utilizing their knowledge and experience.
  3. Develop personnel who can overcome any adversity and strive towards achieving targets.
  4. Train staff to place the highest value on teamwork, resulting from the combined efforts of all individuals.


  1. All employees will use every available opportunity to enhance self-development.
  2. Those in leadership positions will exemplify model behavior at all times.
  3. The emphasis of education is on-the-job training led by the supervisors through daily operations. Supplementary training off the job is also provided.
  4. Each head of all management levels will appraise staff fairly and conduct effective training programs periodically and consistently.
  5. Appraisals for each head of all management levels is based, as a general rule, on the success of staff education and training.
Company Information
Address 3-6-1, Tsutta, Oi-cho, Kameoka, Kyoto 621-0011 Japan
TEL +81-771-25-4717
FAX +81-771-25-4707
Established August 8, 1988
Capital 98 million yen
Representative Toshiaki Kawabata, President
Employees 100
Products Dies and Leadframes for semiconductor manufacture
Affiliated companies ROHM Mechatech Philippines, Inc.
ROHM Mechatech (Thailand) Co., Ltd.

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Organization Chart

Organization Chart

ROHM Group Top runner in the electronics industry ROHM Group

Corporate name ROHM Co., Ltd.
Address 21 Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585, Japan
TEL: +81-75-311-2121 FAX: +81-75-315-0172
Established September 17, 1958
Paid-in capital ¥86,969 million as of March 31, 2020
Employees Consolidated 22,161 as of September 30, 2020
Director President / Isao Matsumoto
Products ICs, Discrete Semiconductors, Opto Semiconductors,Passive Components, Modules (Sub Systems)
Overseas Bases
ROHM Mechatech Philippines,Inc.
ROHM Mechatech (Thailand) Co., Ltd.
Group Company

Development, Manufacturing and Distribution Centers in Japan


Kyoto Technology Center (Head Office)
21, Saiin Mizosaki-cho, Ukyo-ku, Kyoto 615-8585 Japan
Kyoto Technology Center (Kyoto Ekimae)
579-32, Higashi Shiokoji-cho, Karasuma Nishi-iru, Shiokoji-dori, Shimogyo-ku, Kyoto 600-8216 Japan
Yokohama Technology Center
2-4-8, Shinyokohama, Kouhoku-ku, Yokohama 222-8575 Japan


ROHM Hamamatsu Co., Ltd.
10 Sanwa-cho, Minami-ku, Hamamatsu 435-0038 Japan
ROHM Wako Co., Ltd.
100 Tomioka, Kasaoka, Okayama 714-8585 Japan
ROHM Apollo Co., Ltd.
1164-2, Hiyoshi, Hirokawa, Yame-gun, Fukuoka 834-0111 Japan
LAPIS Semiconductor Co., Ltd.
2-4-8, Shinyokohama, Kouhoku-ku, Yokohama 222-8575 Japan
ROHM Co., Ltd.(Shiga Plant)
2-8-1, Seiran, Otsu-shi, Shiga 520-0833 Japan
Leadframes/Dies Production
ROHM Logistec Co., Ltd.
75, Masusaka, Kamogata-cho, Asakuchi, Okayama 719-0234 Japan
ROHM Mechatech Co., Ltd.
3-6-1, Tsutta, Oi-cho, Kameoka, Kyoto 621-0011 Japan

Development, and Manufacturing Centers in the World


America Design Center (Santa Clara)
2323 Owen Street, Santa Clara,
CA 95054 U.S.A.
Europe Design Center
Karl-Arnold-Straβe 15, 47877
Willich Germany
Shanghai Design Center
Langao Road,
Shanghai 200333 China
Shenzhen Design Center
3/F, Gemdale, 2007 Shen Nan Road, Futian,Shenzhen 518000 China
Taiwan Design Center
11F No.6 Sec.3 Min Chuan E. Road,
Taipei, Taiwan
Korea Design Center
159-13, Gasan Digital 1-ro,
Seoul 153-803 Korea
India Design Center
Unit 4B & 5,Level-2,Bagmane Laurel,Block B,
Bagmane Tech Park, C.V.Raman Nagar,Byrasandre,
Finland Software Development Center
Kiviharjunlenkki 1E, 90220 Oulu Finland
11 Nessan House, Bessboro Road,Blackrock, Cork, Ireland


ROHM Korea Corporation
159-13, Gasan Digital 1-ro,
Geumcheon-gu, Seoul 153-803 Korea
ROHM Electronics Philippines, Inc.
Block 3 and Block 5,
People's Avenue, People’s Technology Complex
Special Economic Zone, Carmona,
Cavite 4116 Philippines
ROHM Integrated Systems
(Thailand) Co., Ltd.
101/94, 102 Navanakorn
Industrial Zone, Moo 20, 
Phaholyothin Road, Tambol
Amphur Khlong-Luong,
Pathumthani 12120 Thailand
ROHM Semiconductor (China)
Co., Ltd.
No.7, Weisan Road,
Micro-Electronic Industrial Park,
Jingang Highway, Xiqing District,
Tianjin 300385 China
ROHM Electronics Dalian Co., Ltd.
No.20 NorthEast Forth Street,
Economic & Technical
Development Zone,
Dalian 116600 China
ROHM-Wako Electronics
(Malaysia) Sdn. Bhd.
Lot 1320, Kawasan Perindustrian,
Pengkalan Chepa Ⅱ, Padang
16100 Kota Bharu, Kelantan,
Kionix, Inc.
36 Thornwood Drive, Ithaca, NY 14850 U.S.A.
SiCrystal AG
Thurn-und-Taxis-Strasse 20 90411 Nuremberg Germany

Leadframes/Dies Production

ROHM Mechatech Philippines, Inc.
Block 5, Lot 4 and 5,
Complex Avenue,
People’s Technology Complex
Special Economic Zone,
Carmona, Cavite 4116 Philippines
ROHM Mechatech (Thailand) Co., Ltd.
188 Moo7, WHA Saraburi Industrial Land - WHA SIL, Nongplamor Subdistrict, Nongkhae District, Saraburi 18140 Thailand
Corporate Social Responsibility CSR Policy and ISO 26000 Initiatives

The ROHM Group implements global CSR management based on the core subjects of ISO 26000. As a member of a group, ROHM MECHATECH is engaged in a variety of activities, from efforts to improve quality and maintain a safe, comfortable work environment to community involvement, organizational governance, and environmental protection initiatives.

Organizational Governance
  • Enacting basic CSR policy
  • Improving awareness through a CSR guidebook and CSR month initiatives
  • CSR promotion committee activities
Fair Business Practices
  • ROHM Group action guidelines
  • Legal guidebook
  • Non-use of conflict materials
  • Sponsored social bowling outings
  • ROHM Mechatech Philippines bowling tournament participants
Community Participation and Development
  • Local cleanup activities
  • Fireworks shows
  • Volunteers in the Hozu River cleanup activity
Consumer Issues
  • ISO 9001 certification
Environmental Conservation
  • ISO 14001 certification
  • ROHM Mechatech Environmental Policy
  • ROHM's everlasting conscientiousness to preserve the global environment contributes to the healthy existence of humanity and to the continued prosperity of the company.
    1. 1. Conserve energy by initiating innovative methods in all corporate activities.
    2. 2. Develop environmentally-conscious products that minimize the environmental burden by employing responsible processes throughout the life cycle of each product.
    3. 3. Give priority to the procurement of materials and products that have the least levels of adverse impact on the environment.
    4. 4. Promote effective utilization of resources and strive for the prevention of pollution and conservation of biodiversity toward the realization of a sustainable society.
    5. 5. Comply with international and national environmental laws and regional agreements and other customer requirements to which we have agreed.
    6. 6. Endeavor to train employees and encourage our constituents to actively care for their surroundings and the global environment.
    7. 7. Develop positive relationships with the community through contributions to the local environment and the proper disclosure of environmental data.
    8. 8. Continuously improve subjects by creating and carrying out the environmental objectives,and their action plans to enhance environmental performance.
Occupational Health & Safety Policy
  • ISO 45001 certification
  • ROHM Mechatech Occupational Health & Safety Policy
  • In accordance with the CSR policy, ROHM Group consider safety and health the top priority in our business activities, thereby proactively work to comfortable work environment without worries as well as preserve and promote our physical and mental health.
    1. 1. We comply with health and safety laws and their related regulations, other requirements, and our company's rules.
    2. 2. We prevent occupational accidents by implementing managerial measures based on the identification of hazard sources in our workplace and their severity via risk assessment.
    3. 3. We pursue highly-ranked awareness by systematic education, training, and other things concerning health and safety. Additionally we strive to prevent injuries, physical and mental illnesses by promoting the creation of a comfortable workplace through energized, voluntary activities.
    4. 4. We design and operate the occupational health and safety management system through consultation with our workers and their involvement in decision-making.
    5. 5. We carry out continuous improvement activities with full participation by setting the health and safety objectives and the action plan that are supported with adequate resources.
ROHM Group Basic CSR Policies

The ROHM Group actively contributes to the sustainable development of society and conducts business practices in good faith from a global perspective in accordance with our corporate objectives and business policies. In addition, we are constantly striving towards sustainable business development, earning the trust of local communities, and establishing a good relationship with our stakeholders.

● Customers

We will strive to earn the trust and satisfaction of our customers through the timely and stable supply of high quality, high performance products.
We will also endeavor to always respond in good faith, make product safety a priority, and appropriately disclose relevant information.

● Business Partners

The ROHM Group selects business partners through fair and reasonable standards and values the relationships of trust with business partners by implementing fair and equitable trade, with a goal towards mutual prosperity.

● Employees

In addition to providing a safe, comfortable work environment, we respect the individuality and character of each employee and are committed to ensuring job fulfillment and satisfaction by fostering a nurturing, productive workplace.

● Shareholders and Investors

We will work to improve ongoing corporate value and secure reasonable profits in order to provide a return to our shareholders and investors and ensure accountability through a wide range of IR activities.

● Communities and Regions

The ROHM Group engages in practices and initiatives (i.e. social contributions, cultural and artistic activities), respects the customs of each culture, and seeks to deepen exchanges with countries and local communities. We are also actively involved in regional environmental conservation activities through our many business endeavors.

Company Information