Our Creed

Provide excellent goods
to the world
with a service spirit.

Corporate Profile

Corporate Name
OHTA’S ISAN Co., Ltd.
Summary of Corporate Establishment
Established in the name of “Sekkodo” by Nobuyoshi Ohta (the first) at Nihonbashi, Tokyo on June 8, 1879, starting sales of gastrointestinal medicine “Ohta’s Isan”. “Ohta’s Isan” is an aromatic stomachic and digestive having been manufactured and distributed since the establishment. Currently available in a series of products in the forms of powder, tablet, and liquid.
Corporate Name (JP)
株式会社 太田胃散
Location of Headquarters
3-2, Sengoku 2-chome, Bunkyo-ku, Tokyo 112-0011, Japan MAP
Year of Establishment
June 1879
Business Lineup
Manufacture and sales of pharmaceuticals, quasi-drugs, and health supplements
Stock Market
Not listed
Stock Capitalization
96 Million Yen
President, Chief Executive Officer
Yoshiaki Ohta

Corporate Introduction

OHTA’S ISAN Co., Ltd.(株式会社 太田胃散 in Japanese)is a medicine manufacturing and distributing company established in 1879. Its headquarters is located at Bunkyo-ku, Tokyo, and its product named “Ohta’s Isan” has been well known in the market.
In addition to the medicine, the company started a new division of healthcare food in 2003.
Its drugs & medicines have been improved in coordination with consumers’ change in lifestyle.

Corporate History

1837
Founder, Nobuyoshi Ohta (the first) was born in February at Mibumachi, Shimotsuga-gun, Tochigi Prefecture.
1879
Nobuyoshi Ohta (the first) obtained the approval for a patent medicine concerning a production and sales of Isan, and started to sell in the product name of “Isan”. When he went to Osaka on business, he suffered poor health and had a medical checkup by the doctor named Sessai Ogata, who was the son-in-law of Koan Ogata, a doctor and Dutch learning scholar. Nobuyoshi Ohta got well when he took the medicine prescribed by Dr. Bauduin, an excellent doctor from Holland. “Ohta’s Isan” has been based on that prescription.
1880
The office was opened in August, and the pharmaceutical plant was expanded.
1881
Sales was started under the name of “Sekkodo’s Isan”.
1897
In December, Makoto Ohta assumed the name of Nobuyoshi Ohta (the second).
1898
In November, the product started to be sold under the name of “Ohta’s Isan” and its trademark was registered.
1918
Our export was started to Canada, Brazil, etc.
1937
In December, Toshio Ohta assumed post of president, taking over the name of Nobuyoshi Ohta (the third).
1963
In September, the corporate name was changed to “OHTA’S ISAN Co., Ltd.”
1975
In September, Akira Ohta, vice president was promoted to the fourth president.
1976
In June, our export of “Ohta’s Isan <Sachet>” to Hong Kong was started.
1981
In April, our export of “Ohta’s Isan” and “Ohta’s Isan <Sachet>” to Taiwan was started along with “OHTA-D TABLET”.
1982
In September, “Ohta Kampo Ichoyaku” was newly put on the market.
1989
In October, our export of “Ohta’s Isan” and “Ohta’s Isan <Sachet>” to South Korea was started.
1999
In April, “Ohta’s Isan (can)” was marketed in three items.
2002
In June, Akira Ohta, president assumed post of chairman, and Yoshiaki Ohta, vice president assumed post of the fifth president.
2003
In June, the project planning division (current Healthcare Sales Department) was installed to participate in healthcare foods.
2004
In September, “Ohta’s Isan <Sachet>” was marketed in three items.
2006
In February, “Ohta Kampo Ichoyaku Ⅱ” was newly put on the market.
2007
In March, “Ohta’s Isan Seichoyaku” was newly put on the market.
2008
In September, “Ohta’s Isan <Naifukueki>”, “Ohta’s Isan <Naifukueki> S”, and “Ohta’s Isan Chewable NEO” were put on the market.
2012
In October, “LOCOFIT GL” was put on the market.
2014
In December, our online sales site “OHTA’S ISAN Kenko Syokuhin-kan” was opened.

Main Products

Drug & medicine

Ohta’s Isan
An integrated type of Gastrointestinal Medicine taking advantage of natural herbal medicine. Seven kinds of stomachic herbal medicines recover the weakened stomach, and improve uncomfortable symptoms by overdrinking, overeating, and feeling heavy with food in the stomach. Further, our special production process provides pleasant and refreshed feeling of the medicine.
Ohta’s Isan <Sachet>
This is made of the same formula as the above-mentioned Ohta’s Isan, but because of being individually packed, the sachet type is convenient enough to carry for outdoor use.
Ohta’s Isan A <Tablet>
A tablet type of gastrointestinal medicine, being effective for states such as overeating and indigestion. As the four kinds of digestive ingredients efficiently decompose fat, protein, and carbohydrates, the symptoms such as stomach upset caused by eating meats and other oily and fatty foods can be eased.

Overseas Clients

Hong Kong, Macao, Taiwan,
USA, Singapore, Mongolia

Overseas