manufacturing prescription drugs, OTC drugs, health foods, active pharmaceutical ingredients and pharmaceutical intermediates.

We have established a strong presence in the pharmaceuticals segment and in the particular the field of digestive system medicine. Our barium sulfate X-ray contrast agents retain a leading share of the domestic market and we have also developed ethical drugs including Alroid G, a treatment for peptic ulcers made from algin acid, and Aethoxysclerol, a drug used in esophageal variceal sclerotherapy.
In addition, we have also developed a wide range of health foods and general medicines, such as cold remedy Kaigen, in order to respond to growing demand for self medication where people manage and monitor their health independently.
For more information about our active pharmaceutical ingredients and intermediates, please visit the corporate website of KATAYAMA SEIYAKUSYO CO., LTD.-for more information.

Sakai Chemical Group’s strengths

  1. Our long-standing expertise and established credibility with healthcare professionals and pharmaceutical distributors means we can quickly respond to the true needs of healthcare today.
  2. We are able to seamlessly integrate latent market needs with accumulated technology seeds.
  3. We provide stable supplies of high quality pharmaceutical products that meet the rigorous demands of today’s healthcare.
  4. Our nationwide network enables detailed support services, which ensures we provide a high level of customer satisfaction.

Main applications

Ethical drugs

Barium sulfate X-ray contrast agents, a treatment for peptic ulcers, and a drug used in esophageal variceal sclerotherapy

Proprietary drugs

Cold remedies, nose sprays, nasal inflammation drugs, cough suppressants, throat sprays, anti-acids and eye drops


Ethical Drugs


In addition to X-ray contrast agents and ethical drugs for digestive system ailments, we also provide various medical equipment related to X-ray screening and endoscopy exams as part of our commitment to support the continually evolving front lines of medicine.

For Proprietary Drugs


We market a variety of proprietary drugs, including the leading cold remedy brand Kaigen, and stand committed to developing more effective and tolerable proprietary drugs.          

Health Foods


We have leveraged our long-standing expertise in technologies as a pharmaceutical company to proactively expand into the health foods segment with such products as enduring best seller the Korecut series, Ganiashi, made from konbu kelp rhizoid, and Honey Lemon Green Juice, popular for its drinkability.