Head Office	1-30-4 Higashimagome, Ohta-ku Tokyo, 143-8544, Japan TEL +81-3-3776-5311 FAX +81-3-3776-5320

Sales Network

Our advanced technology facilities are set in “Shinshu” (Nagano Prefecture), an area rich in nature.

Production bases

Ueda Measuring Instruments Factory

1150 Akiwa, Ueda-shi, Nagano-ken, 386-8501, Japan TEL +81-268-22-7530 FAX +81-268-23-6120 The “mother factory” for mechanical pressure gauges in Japan. Ueda Measuring Instruments Factory, which started operation in 1964, has a production capacity of 400,000 units of pressure gauges per month, or 500,000 units per month including pressure switches and temperature gauges. This plant maintains an ideal balance of expertise of skilled employees accumulated over the years and automation technology. This allows for an efficient, high-mix low-volume production system.

Maruko Electronic Instruments Factory

2480 Mitakedo, Ueda-shi, Nagano-ken, 386-0412, Japan TEL +81-268-42-7530 FAX +81-268-41-1121 The “super-factory” with the world’s largest production capacity of pressure sensors. Maruko Electronic Instruments Factory, as the production base for pressure sensors, has launched superior products and ingenious technology onto the global market since it started its operations in 1989. By utilizing its state-of-the-art production facilities, including class 10 super clean rooms comparable to those at a semiconductor plant, and sensor thin-film deposition facility based on nanotechnology, the plant maintains a monthly production capacity of 2.5 million units.

R&D bases

Nagano Keiki Technical Solutions Center

2150 Ikuta, Ueda-shi, Nagano-ken, 386-0411, Japan TEL +81-268-41-1000 FAX +81-268-41-1001 R&D base that supports sophisticated sensor technology. In 2005, Nagano Keiki Technical Solution Center was established by integrating the R&D division of Maruko Electronic Instruments Factory and the IT division of Ueda Measuring Instruments Factory. This streamlined operations and enhanced the R&D capacities for new products and technologies. By focusing our creative activities on the future, our R&D creates new products that answer the current and future needs of society.