Meaning behind the logo

The motif of the titration solution is to express "expanding the circle around people (employees)"
by making the titration part look like a person.
The expanding circle expresses our thoughts of "prosperity, development, and growth of the company.

Image colors “blue” and “white”

Blue

When we compare liquids to colors, the first thing that comes to mind is blue.
In addition, the color "blue" represents women, and the design symbolizes our desire to create a workplace where women can work comfortably (and thrive).

White

"Always fresh," "Flexible and open-minded without being tainted by any color," and "Honest and honest feelings".

Corporate history

1943 Established Hiranuma Seiki Seisakusho as a affiliated factory of Hitachi, Ltd. Mito Factory.
1946 Responsible for sales and repair of optical machinery and physical and chemical equipment at the above-mentioned Mito factory with the start of manufacturing.
1954 Hiranuma Seiki Seisakusho was abolished and became Hiranuma Seiki Limited Company.
1959 The sales and repair department of Hiranuma Seiki Co., Ltd. is established as Hiranuma Shokai Co., Ltd. Dr. Miyake is invited from the Institute of Industrial Science, the University of Tokyo, and development of automatic titration equipment begins.
1964 Changed company name from Hiranuma Shokai Co., Ltd. to Hiranuma Sangyo Co., Ltd.
1965 Completed and began sales of the first domestically produced dripping control type titration recording device RAT-1.
1968 Concluded a sales contract for analytical equipment with Nissei Sangyo Co., Ltd. (currently Hitachi High-Tech Science Co., Ltd.)
1972 The first domestically produced Karl Fischer trace moisture analyzer AQ-1 will be released.
A time capsule will be created to commemorate the 100th anniversary of the birth of Ibaraki Prefecture, and it will be buried within the grounds of the Ibaraki Prefectural Museum of History.
1974 Established a joint development and sales contract with Central Kagaku Co., Ltd. for water quality testing equipment.
1981 Merged with Hiranuma Seiki Co., Ltd.
1983 The trace KF Titrator receives the Nishikai Memorial Award from the Industrial People's Club.
1985 Through Nissei Sangyo Co., Ltd. (currently Hitachi High-Tech Science Co., Ltd.), we have begun exporting KF Titrators to the United States.
The automatic effective chlorine concentration meter ACL-12 has been recommended as an excellent new product in Ibaraki Prefecture.
1987 Automatic effective chlorine concentration meter ACL-12 received the Nishikai Memorial Award from the Industrial People's Club.
1996 Acquired ISO9001 certification
1999 Certified as an excellent factory by Mito City
2002 Certified as a management innovation plan approved company
2005 Acquired ISO13485 certification
Re-certified as an excellent factory in Mito City
2007 Selected as one of the “300 Vibrant Manufacturing Small and Medium Enterprises 2007” by the Ministry of Economy, Trade and Industry/Small and Medium Enterprise Agency
2008 Received the Ibaraki Prefecture “Ibaraki Industry Award”
2010 The automatic titrator COM-1700/1750 series was certified under the Ibaraki Prefecture New Field Exploration Product Business Certification System.
2011 Re-certified as an excellent Mito City factory
Moisture measuring device AQ-2200 series certified under the Ibaraki Prefecture New Field Exploration Product Business Certification System.
2012 "Total organic carbon measuring device TOC-2300 development group" was awarded by Ibaraki Prefecture Industrial Technology Research Association.
2013 Commended by Ibaraki Industrial Technology Research Association for achievements in "shortening lead time for high-mix low-volume products
Registered for Eco Action 21 certification
Recognized as "Heritage of Analytical and Scientific Instruments" by the Japan Society of Analytical Instrument Manufacturers and the Japan Scientific Instruments Association for its "Titration Recorder RAT-1".
2014 Total Organic Carbon Analyzer TOC-2300 is certified under the Ibaraki Prefecture New Field Development Product Business Certification System.
New logo mark established.
2017 Selected as a “Regional Future Driving Company” by the Ministry of Economy, Trade and Industry.
2019 Moved the Tokyo office from Yushima to Kayabacho.
2020 The design department received an award from the Ibaraki Prefecture Industrial Technology Research Association in the "production process, product technology development, and workplace environment improvement category."
A new factory (B site) was completed on the grounds of the Mito office.
2021 Changed company name from Hiranuma Sangyo Co., Ltd. to HIRANUMA Co., Ltd.

Supports local sports teams.