Mitutoyo Museum of Metrology
Numata Commemorative Hall
Mitutoyo's history as a pioneer in precision measuring instruments has always been at the forefront of the times.
A history museum for measuring instruments. Numerous instruments are on display, as well as documents featuring the philosophy and history of Mitutoyo, which extends back more than 80 years. The majority of the some 2,500 items in this facility are actual objects providing important historical evidence.
Main Exhibit Contents
Chapter 1: Birth of Mitutoyo Manufacture
Mitutoyo's origin Kamata Factory
Chapter 2 : Incipient Term
Domestic production of micrometers
Chapter 3: Term of Establishing Technologies
Strengthen the country and go to the world
Chapter 4 :Term of Development
Enhancement of production technology
Chapter 5 :Term of Leap
Rapid growth with electronic technology
Chapter 6: Establishing Key Technology
From “三豊” to “Mitutoyo”
Chapter 7: Toward a New Era
Compatible with high precision and high functionality
Chapter 8 Realization of Dream
The trajectory of founder Yehan Numata
Measuring Instrument Hall
Learn about the origins and development of measuring instruments through historical materials and products from around the world.
This illustrates the evolution of metrology, which extends back more than 80 years. The exhibits includes early prototypes, optical measuring equipment, testing machines, and other tools that reflect how precision and inspection practices evolved to support modern manufacturing and quality control — including key techniques used in metrology inspection today.
Main Exhibit Contents
The standard of length
Meter prototype (reproduction)
Length Measuring Instruments
Whitworth (UK) large length measuring instrument
Optical Measuring Instruments
Testing Machines
Suga Collection
The world's first dial gauge
Scale Ruling Machines
SIP (Switzerland) circumferential scale machine
From Measuring Instruments
In-house Installed Machines
