Company profile


"A center of competence in the photovoltaic industry and instrumental meteorology"


Our international customers benefit from smart instrument synergies and innovative services which persistently improve and optimize the efficiency and quality of their photovoltaic systems and meteorological research.


Through its worldwide distribution network and regional offices, EKO has become a global player known for the durability and precision of its instruments which comply with the highest international quality standards.


EKO Instruments

Aiming to be a Global Enterprise that helps protect the Earth's environment and prevent global warming. Established in 1927, EKO Instruments has now accumulated over 85 years of history. We are deeply and sincerely grateful for the tremendous support we have received from all those that made this possible.


Beginning with scientific instrumentation for meteorological and environmental applications 85 years ago, EKO Instruments now includes three core business areas, which are remote sensing, evaluation and measurement of photovoltaic performance, and radiation and spectral measurements. To explore the potential of these core areas EKO is working closely with industry and research organizations to develop new products for the future. In terms of material characterization and analysis, we not only offer advanced and highly reliable overseas products, but also are focusing on developing our own proprietary products.

In the future, we aim to increase the level of technology by combining our core technology in optical measurement solutions for photovoltaic power generation. Furthermore, we hope to use this technology for applications in other fields, thereby exploring new markets. To prepare for our next step, we are strengthening exports of our proprietary products. In 2007, we established EKO Instruments USA Inc. in the United States. In April 2008, we established EKO Instruments Europe B.V. in The Netherlands. In addition, by leveraging the comprehensive strength of our Technical Center and Customer Support Center, which provide services and solutions involving alternative energy and material characterization and analysis, we aim to be an enterprise that can contribute to protecting the global environment and preventing global warming.

As we face our upcoming 100th anniversary, EKO Instruments is working vigorously to develop measuring instruments and to create new value that meets the expectations of all our customers.

Toshikazu Hasegawa

Three Business Units

To accomplish these goals, we are aiming for growth through independently developing the businesses of three divisions.

The Environmental Instruments Division is focused on three types of measurements: (1) evaluation of photovoltaic performance; (2) radiation and spectral measurements and (3) remote sensing. The Material Characterization and Analysis Division cooperates with the Technical Center and Customer Support Center to offer a variety of material characterization instruments intended for evaluating materials. This division provides solutions to a wide variety of material characterization research fields, including electronic materials, plastics, polymers, foodstuffs, pharmaceuticals, and cosmetics.

In addition to product delivery services and repair services, the Technical Center and Customer Support Center provide technical consulting services to our customers. They also provide measurement and analysis services on a contract basis and hold technical seminars, thereby promoting services and solutions that support our customers.



Japan exclusive trading

EKO Instruments Co., Ltd. has contracted an exclusive sales agreement with many suppliers of scientific and measuring instruments located world-wide. Based on those contracts, EKO imported outstanding measurement techniques and products we offer to our customers with after-sales service.


Company Time line


EKO Shokai founded by Eiji Shiina and Hiroshi Tozawa


Successfully developed Japan's first pyranometer 


Contracted to serve as the exclusive Japanese representative for HAAKE of Germany, a global manufacturer of viscometers and thermostatic chambers


Contracted to serve as the exclusive representative for CAMAG of Switzerland


Started observations of the radiation balance at Mizuho Station in Antarctica


Developed research equipment for photovoltaic systems


Developed the world's first measuring instrument specialized for UV-B rays


Contracted to serve as exclusive representatives for ADC BioScientific Ltd. and Stable Micro Systems Ltd. of the UK, Scintec AG and METEK Meteorologische Messtechnik GmbH of Germany, ECO PHYSICS AG of Switzerland, Formulaction of France, and Cahn Instruments Inc. of the United States


Contracted with the American National Oceanic and Atmospheric Administration (NOAA) to supply sunshine duration meters 

Obtained ISO 9001 certification, the international standard for quality management


Contracted to serve as exclusive representatives for DataPhysics Instruments GmbH, SITA Messtechnik GmbH, VMA-GETZMANN GmbH, and JENOPTIC of Germany, Vilastic Scientific Inc. of the United States, ATMOS and LEOSPHERE of France, CEAST of Italy, and Constant Systems Limited of the UK 


Developed a LIDAR system in cooperation with Professor Takao Kobayashi of the University of Fukui


Received the Governor of Tokyo Award at the Tokyo Technology and Invention Expo


EKO multi LIDAR system received the Small and Medium Enterprise Excellence in New Technology and New Product Excellence Award, from the Risona Foundation for Small and Medium Enterprise


Established EKO Instruments USA Inc.


Obtained ISO14001 certification, the international standard for environmental management


Established EKO Instruments Europe B.V.


Selected as one of "300 energetic product manufacturers" by the Small and Medium Enterprise Agency, the Ministry of Economy, Trade and Industry.


Measuring instruments for solar cell characteristics selected for the 35th Annual Invention Grand Prize and Invention Merit Award by the Japan Society for the Advancement of Inventions

2012 Opening EKO new head quarters and 85th anniversary