Glocal company of fine ceramics MARUU INC.

From raw material preparation, forming, processing, to inspection・・・
You may rely on us to develop and manufacture ceramic products!


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Company profile

Products & Materials

--Yarn guides
A process & facilities
Company Information
Management principle We support people’s comfortable and rich life widely and contribute to industrial society through research, development, and manufacture of fine ceramics.
Management policy We will be a glocal (global + local) company composed of expert minority.
We aim to become a research & development company to continue satisfying advanced needs of customers.
We preserve employment of our employees and enjoy growing with them, then contribute to the local community.
Company history
1926 Ushinosuke Kato started manufacturing insulators at the present location.
1946 Incorporated as a private limited company.
Sep. 1968 Capital increased to 8 million yen and reorganize into an incorporated company.
Feb. 1969 Withdrew from insulators and specialized in fine ceramics.
Mar. 1984 Atsushi Kato became a president due to death of the late president.
Oct. 1991 New plant of 3 stories above ground and 1 story underground completed.
Feb. 2003 Computer production control system operated.
Feb. 2004 Research/Office building completed at the present location.
Jan. 2005 Certified as the “Aichi Quality Company”.
Company profile
Capital 16 million yen
Number of employees 60 (Male 26, Female 34)
President President  Atsushi Kato
Executive vice president Executive vice president  Tomoo Kato
Address 4-18 Hagidono-cho, Seto-shi, Aichi 489-0885 JAPAN
Products Fine ceramic structural parts (yarn guides, various nozzles, crucibles, medical/industrial parts, etc.)
Main customers Murata Machinery, Ltd., YUASA YARN GUIDE ENGINEERING Co., Ltd., MISUMI Corporation, Showa Denko K.K., Toyota Tsusho Corporation, Toyota Central R&D Labs., Inc., Olympus Corporation, Yamaha Corporation, Mitsui Mining Materials Company Limited, Ministry of Education, Culture, Sports, Science, and Technology, Public Universities in various countries, etc.
Company trip Research/Office building (left) and Head Plant (right)
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4-18 Hagidono-cho, Seto-shi, Aichi 489-0885 JAPAN
TEL 81-561-82-3487FAX 81-561-82-2589