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Konishiyasu Co., Ltd.


Specialized Areas

In our main Chemical Business Sector, we focused on chemicals at the early stage or since our business started in 1828, and from the Meiji Period (1868~) we have showed great contribution to the development of the Japanese chemical industry.
The network that we have built so far by responding to the market needs produced in each era has become our irreplaceable wealth that many customers trust and rely on.
Beginning with the dye business since our Company was founded, basic chemical products support each industry nowadays, we also offer to customers such environmentally-friendly products that respond to the demand from the marketplaces these days, as well as high quality and high value added products that support Japan's cutting-edge business. Our Company will continue to grow and make significant contribution to this world.

We provide a wide range of products such as electronic parts for smartphones and Information Technology (IT) related products, electronic boards, semiconductor-related materials, next-generation energy materials for secondary batteries, optical materials for LED, printed electronics, toner materials, inorganic and organic materials.
We currently aim to expand the electret vibration generator which the demand is growing for the IoT field by targeting the vibration monitoring system for the plant facilities.

【Pharmaceutical & Agricultural Chemicals】
We introduce excellent products of pharmaceutical and agricultural chemicals intermediates imported from overseas such as China and India.
To meet customers expectations and requests on Active Pharmaceutical Ingredients (API), we have expanded our company organizations and acquired various kinds of business grants by the government.
Working hard to have a good relationship and networking between manufacuturers and getting the trust from the customers for the product quality and the long term supply which we have built for years.

Company Information

  • 103-0023 6-3 NIHOMBASHI honcho 2-CHOME CHUO-KU,TOKYO
  • Tel.+81-3-3661-3126 Fax.+81-3-3639-9540
  • website