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Kobayashi Pharmaceutical: brands it owns and its ownership tree

Kobayashi Pharmaceutical (TSE: 4967) is a publicly listed company headquartered in Osaka, Japan that owns 6 consumer brands across 3 categories.[1]

Kobayashi Pharmaceutical traces its origin to 1886, when Chubei Kobayashi opened a general merchandise and cosmetics store in Nagoya, and was incorporated in Osaka in 1919. After selling its wholesale business in 2008 it became a pure manufacturer of niche household products and over-the-counter medicines, with about 150 domestic brands and net sales of 165.7 billion yen in 2025, about 28 per cent of them overseas. It voluntarily recalled red yeast rice products in 2024.

Company facts

Legal name
Kobayashi Pharmaceutical Co., Ltd. (also Kobayashi Pharmaceutical, Kobayashi Seiyaku)
Type
publicly listed company · see all publicly listed company owners
Headquarters
🇯🇵 Osaka, Japan
Founded
1886
Tickers
TSE: 4967
Website
www.kobayashi.co.jp/english/
Last verified
· 1 sources

Kobayashi Pharmaceutical in numbers

Everything Kobayashi Pharmaceutical owns

Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.

Everything Kobayashi Pharmaceutical owns Tree of 6 brands under Kobayashi Pharmaceutical. Kobayashi Pharmaceutical Ammeltz Bluelet Itoyoji Netsusama Sheet Sawaday Shoshugen

Full-screen interactive tree → · Download as infographic

Brand portfolio by category

Full portfolio, 6 brands, with sources → · Competitors by shared categories →

Latest news about Kobayashi Pharmaceutical

No tagged news items yet. Deals, regulatory actions and recalls are added from SEC filings, regulators and trade press; only titles and links are stored.

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Frequently asked questions

What brands does Kobayashi Pharmaceutical own?

Kobayashi Pharmaceutical owns 6 consumer brands tracked here, including Ammeltz, Netsusama Sheet, Bluelet, Shoshugen, Sawaday and Itoyoji.

Is Kobayashi Pharmaceutical a Japanese company?

Yes. Kobayashi Pharmaceutical is headquartered in Osaka, Japan and was founded in 1886.

Who owns Kobayashi Pharmaceutical?

Kobayashi Pharmaceutical is a publicly listed company owned by its shareholders; it trades as 4967 on the TSE.

Sources (1) & corrections

Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.

  1. [1] Kobayashi Pharmaceutical Integrated Report 2026 — Kobayashi Pharmaceutical Co., Ltd., Annual report; retrieved 16 September 2026.

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