Y.tech’s Strengths
Spirit of Challenge and Confidence
In order to respond to the rapidly changing world and pioneer the future, we will continue to create new technologies with a spirit of challenge and innovation.
Advanced and precise Technology
We will continue to refine our technology, which is the basis of manufacturing, and will also continue to search for more advanced technology through the fusion of technology and technology, and people and technology.
Optimized
Management
With manufacturing facilities designed and rebuilt in-house to optimum conditions, and an advanced quality control system that has acquired JISQ9100 certification, we perform the entire process from development to manufacturing.
Solving Aerospace Industry Challenges with Core Technologies
Our company was founded in Shinjo City, Yamagata Prefecture, as the manufacturing division of Kyooka Co.
Based on the development and technical capabilities cultivated by Kyooka, which covers development, manufacturing, and maintenance of inspection and measuring instruments and precision equipment, we have further advanced and diversified our technology to handle a wide range of products from development and design to manufacturing.
We have acquired JISQ9100, an international standard for quality management systems specialized for the aerospace and defense industry, and have established an advanced quality control system.
Our technical capabilities and quality have been highly evaluated both in Japan and overseas, and our products have been introduced at various sites around the world.
Y.tech’s Leading Products
▸Magnetic markers and magnetic detection devices
The product was patented in 2009 (Patent No. 5461894) and is used in the wing assembly process of aircraft produced by major manufacturers in Japan and overseas.
▸Gap Measuring Instruments
Enables measurement of deep gaps and positions that were previously difficult to measure. Patent pending in more than 5 countries.
About Us
Y.tech Corporation,Ltd
Location
Head
Office
Yamagata
Plant
TOC Building, 10th Floor
7-22-17 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-0031, Japan
TEL (+81)3-5724-6051 FAX (+81)3-5724-6047
4102-33 Izumida, Shinjo, Yamagata 999-5103, Japan (in Yokoneyama Industrial Park)
TEL (+81)233−25−2151 FAX (+81)233−25−3575
Founded
October 3, 1984
Capital stock
30 million yen
Board member
Managing director Yoshiteru Kyooka
No. of Employees
25 employees
Business
・Aircraft (airframe, engine) / Development and sales of production equipment and inspection/measuring instruments as a manufacturer (3 patents in Japan and overseas) .
・Camera (iPhone, etc.) division/manufactured production equipment as a subcontractor.
・Hard disk division/ Development and sales of production equipment and inspection/measuring instruments as a semi-manufacturer.
・Other (Cars, Printers, Etc.) Division/Processing parts of production equipment as a subcontractor.
・Development, sales and maintenance management of precision equipment such as industrial robots, jigs and tools, dies and molds, and machine tools.
・Development, design, import/export, sales and maintenance management of computers, peripheral equipment and terminal equipment Development.
・sales, and maintenance management of computer software, and development, import/export, sales, and maintenance management of computer software
Correspondent banks
Mitsubishi UFJ Bank / Mizuho Bank / Seibu Shinkin Bank / Kirayaka Bank / Jonan Shinkin Bank
Facility area
Yamagata Plant：6,875.92㎡
Building area
Yamagata Plant：2 stories reinforced concrete 808.50㎡
ISO Certification
ISO9001、ISO14001、JISQ9100
Greetings from
the President
Evolving with the basics in mind.
Since our founding, we have conducted our business based on the philosophy that the products we manufacture are the greatest proof of our contribution to society.
Currently, we are developing and manufacturing products together with our customers in various genres, and supplying products that can contribute to the next generation of society.
We will continue to evolve with the times.
We aim to be a company that continues to evolve with the basics in mind.
Managing director
Yoshiteru Kyooka
History
October 1984
Founded and established Y.tech Co.
May 1986
Kyooka Seiki Yamagata Plant becomes independent as Y-Tech Co.
December 1997
Head office relocated to Meguro-ku, Tokyo
October 1999
Capital increased to 30 million yen
October 2001
Change of corporate officers
January 2007
Obtained “ISO9001” certification.
January 2007
Obtained “ISO 14001” certification.
June 2018
Acquired “JIS Q 9100” certification.
October 2025
Head office relocated to Shinagawa-ku, Tokyo
Partner Companies
We introduce partner companies that complement and collaborate with each other to create and utilize more advanced technologies.
We continue to create new value through co-creation with our partners.
Kyooka Corporation,Ltd
Aircraft (airframe and engine) Division / Development and sales of production equipment and inspection/measuring instruments as a manufacturer
Corporate Website⇀Access
▸Head Office
Y.tech Corporation,Ltd
(+81)3-5724-6051
TOC Building, 10th Floor
7-22-17 Nishi-Gotanda, Shinagawa-ku, Tokyo 141-0031
8 minutes walk from Gotanda Station
on the JR and Toei Subway Asakusa lines
6 minutes walk from Fudomae Station
on the Tokyu Tokyu Meguro Line
5 minutes walk from Osaki-Hirokoji Station
on the Tokyu Ikegami Line
Reception hours：9:00〜17:00
Closed days：Saturdays, Sundays, National Holidays
▸Yamagata Plant
Y.tech Corporation,Ltd
(+81)233−25−2151
4102-33 Izumida,Shinjo, Yamagata
999-5103, Japan
10 minutes by car from Shinjo Station East Exit
on the JR Yamagata Shinkansen, Ōu Main Line, Yamagata Line, Rikuu East Line, Rikuu West Line
Reception hours：9:00〜17:00
Closed days：Saturdays, Sundays, National Holidays
If you have any questions or inquiries about our business, products or technologies,
please feel free to contact us using the form below.
A representative will contact you shortly.
Head Office
TOC Building, 10th Floor
7-22-17 Nishi-Gotanda, Shinagawa-ku,
Tokyo 141-0031,Japan
TEL (+81)3-5724-6051
FAX (+81)3-5724-6047
Yamagata Plant
4102-33 Izumida,
Shinjo, Yamagata
999-5103, Japan
TEL (+81)233-25-2151
FAX (+81)233-25-3575