Overview

JSR Corporation makes advanced materials for the semiconductor, display, life sciences, and plastics industries, including photoresists, chromatography resins, and synthetic rubber. The company is headquartered in Minato City, Tokyo, and was founded in 1957. It employs an estimated 5,000 to 10,000 people and serves automotive, electronics, medical, and renewable energy markets. In February 2026, JSR announced the transfer of its rubber sales business for the electronics industry. The company is not publicly listed.

At a glance

What JSR Corporation makes

JSR lists semiconductor, electronics, rubber, and LED products among its offerings and holds ISO 9001, ISO 14001, and ISO 45001 certifications.

Products and capabilities described on the company's own site include Semiconductor, Electronics, Rubber, LED (source: jsr.co.jp).

Certifications

JSR Corporation is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:

• ISO 14001 — jsrmicro.com

• ISO 45001 — jsrmicro.com

• ISO 9001 — jsr.co.jp

Latest developments

• 2026-11-04 — Exclusive-Japan fund JIC plans to sell JSR to Mitsui Chemicals, sources say - CNA (channelnewsasia.com)

• 2026-05-27 — JSR／InpriaとEntegris、EUVリソグラフィー向けクロスライセンス契約を締結 | 2026年 | ニュース | JSR株式会社 (jsr.co.jp)

• 2026-04-10 — JSR Establishes a Joint Venture in Taiwan for Advanced Electronic Materials Manufacturing | 2026 | News | JSR Corporation (jsr.co.jp)

• 2026-04-01 — Promoting structural reforms at JSR and ENEOS Materials | 2026 | News | JSR Corporation (jsr.co.jp)

• 2026-02-27 — Notice Regarding Transfer of Rubber Sales Business for Electronics Industry | 2026 | News | JSR Corporation (jsr.co.jp)

• 2025-12-10 — JSR、韓国の完全子会社を増資　ディスプレー材料の設計開発や製造 - 日本経済新聞 (nikkei.com)

Company details

JSR has an estimated revenue band of $1 billion to $5 billion and, according to Apollo, operates as a subsidiary of the Japan Investment Corporation. JSR Corporation was founded in 1957, has an estimated 5,000-10,000 employees, and is headquartered in Minato City, Tokyo. On the LightSource stability read it is rated "Established & active": 69 years in operation (founded 1957). Holds ISO 14001, ISO 45001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does JSR Corporation make?

JSR Corporation makes advanced materials for the semiconductor, display, life sciences, and plastics industries, including photoresists, chromatography resins, and synthetic rubber. The company is headquartered in Minato City, Tokyo, and was founded in 1957. It employs an estimated 5,000 to 10,000 people and serves automotive, electronics, medical, and renewable energy markets. In February 2026, JSR announced the transfer of its rubber sales business for the electronics industry. The company is not publicly listed.

Where is JSR Corporation headquartered?

JSR Corporation is headquartered in Minato City, Tokyo.

When was JSR Corporation founded?

JSR Corporation was founded in 1957.

How big is JSR Corporation?

JSR Corporation has an estimated 5,000-10,000 employees, with revenue in the $1-5B range (estimated).

What certifications does JSR Corporation hold?

JSR Corporation lists ISO 14001 · ISO 45001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.

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Last verified Nov 2026. Is this your company? Request a correction.