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Latest update: 03/07/2020 13:24:02


Entering the medical equipment field leveraging technology cultivated in manufacturing optical parts

We handle everything from development and design through to assembly and shipment of precision products such as optical equipment and medical equipment. We deliver to major manufacturers in various fields requiring high precision, such as the optical and medical related industries, on the basis of technical capabilities cultivated in manufacturing and assembling optical parts for over 50 years. We developed high temperature observation equipment, “SMT Scope”. We have steadily expanded our operations and recently entered the medical equipment field in cooperation with group companies. In addition, we set up a production support team for focusing on Monozukuri (manufacturing) among 100 companies in various businesses, in order to handle customers’ requests.


Other presentation

[Business description]
We offer total engineering encompassing planned development, design, high-precision processing, device assembly, assurance, repair and calibration of precision products such as optical equipment and medical equipment. Our production support team network helps solve customers’ issues and assists their business based on a wealth of experience and track record for over 50 years, and is highly reputed. We recently entered the medical equipment field, taking a new step as an expert EMS company for medical equipment in cooperation with our group company Osachi Co., Ltd.

Parts processing, device assembly, medical equipment manufacturing, various kinds of development and design

[Strength of products/technologies]
The technical capabilities cultivated in the manufacture and assembly of optical parts for over 50 years are our greatest asset, and our quality is highly evaluated by customers. By mastering technology and making quick decisions, we contribute to society. We have built a Monozukuri (manufacturing) system that enables us to manufacture medical equipment and process various precision parts through the assembly of mechanical, electrical and optical parts.

[Representative's message]
In the current social climate, which evolves and changes at a remarkably high speed, SANYOSEIKO will precisely perceive the change of time, boldly challenge new and high technology, and steadily grow into the future.
Our company principle: “Mastering the technology and putting it into practice immediately” as well as the experience, knowledge, and employees we have cultivated over 50 years of manufacturing, are our assets.
We will work harder to improve the quality of our product development, new technology development, designing, manufacturing, and quality assurance and advance further every day for a better tomorrow. 

[Company structure for market development/overseas expansion]
We set up a production support team for focusing on Monozukuri (manufacturing) among 100 companies in various businesses, to facilitate expansion in new directions. We use our wide networks all over Japan to adapt to changes in the market while technically supporting partners, which is hard for a single company to do. We supply core technologies not only to partners, but also to customers. We can find new customers by reducing costs effectively, thanks to the power of the group.

[Market share/Ranking]
We developed the world’s first high-temperature observation device, “SMT Scope”, which complies with the evaluation methods of JIS. SMT Scope provides real-time observation of materials as they change under high temperatures, from room temperature up to 900℃. We are committed to R&D and have the top market share.

CEO & President Juichi Shirakawa received the Order of the Rising Sun at a ceremony in the spring of 2009; Selected as “100 Best IT Managements”, Grand Prize (2006); Selected as 300 of Japan’s Vibrant Monozukuri (Manufacturing) SMEs (2008); Selected as “Yamanashi Industry Grand Prize”, Encouragement Award (2009); Selected as “Yamanashi Industry Grand Prize, Management Quality Grand Prize category”, Outstanding Performance Award (2012)

ISO 14001
Authorization for Medical Equipment Marketing and Medical Equipment Manufacture
ISO 13485 (expected to acquire in 2015), FDA (expected to acquire in 2015)

[Factory (domestic)]

[Other sites]

[Main Clients / Business History (domestic)]
Trading with major manufacturers in the optical, medical, aerospace, industrial robot, IT and automobile industries

[Main Clients / Business History (overseas)]
Trading with manufacturers in various industries

This company is recommended by the following support organizations.

Kanto Head Office, SMRJ

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