Overview

Yamauchi Corp is a Japanese manufacturer of industrial rubber and plastic products, headquartered in Hirakata, Osaka, and founded in 1918. It has an estimated 1,000-5,000 employees and an estimated revenue band of $100-250M, and is privately held. The company serves the automotive, electric vehicle, medical, and industrial equipment sectors. Its most recent public update reports exhibiting at a rubber and elastomer technology exhibition in October 2026.

At a glance

What Yamauchi Corp makes

The company holds IATF 16949, ISO 9001, and ISO 14001 certifications and produces precision resin components for medical and automotive applications at its Hirakata plant, completed in January 2023.

Certifications

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

• IATF 16949 — yamauchi-rubber.com

• ISO 14001 — yamauchi-rubber.com

• ISO 9001 — yamauchi-rubber.com

Latest developments

• 2026-10-22 — We are excited to exhibit at the once-in-a-decade rubber and elastomer technology exhibition! | Yamauchi Corp (linkedin.com)

• 2026-10-09 — Yamauchi Textile Division is going global 🌏 | Yamauchi Corp (linkedin.com)

• 2026-10-02 — 🚀We are proud to highlight our Hirakata (Osaka) Plant, completed in January 2023, designed to drive innovation and quality in precision resin components for the medical and automotive industries.🚀 | Yamauchi Corp (linkedin.com)

• 2026-01-07 — We’re excited to announce that we will kick off by exhibiting at Automotive World 2026. | Yamauchi Corp (linkedin.com)

• 2025-09-19 — We exhibit at ITMA ASIA + CITME SINGAPORE 2025 (held in Singapore, from October 28 to 31,2025) | Yamauchi Corp. (yamauchi-rubber.com)

• 2025-09-18 — 大阪ヘルスケアパビリオンリボーンステージにおいて、出展企業として登壇いたします。（2025.9.18） | ヤマウチ株式会社 | 工業部品などゴム関連、樹脂成形などの高分子素材を加工する独自技術で、世界のトップメーカーのニーズに応えてきたグローバル企業です。 (yamauchi.co.jp)

Company details

Yamauchi operates overseas sites in Malaysia, China, Belgium, the USA, Korea, and Hong Kong, according to its published company description. Yamauchi Corp was founded in 1918, has an estimated 1,000-5,000 employees, and is headquartered in Hirakata, Osaka. On the LightSource stability read it is rated "Established & active": 108 years in operation (founded 1918). Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.

Frequently asked questions

What does Yamauchi Corp do?

Yamauchi Corp is a Japanese manufacturer of industrial rubber and plastic products, headquartered in Hirakata, Osaka, and founded in 1918. It has an estimated 1,000-5,000 employees and an estimated revenue band of $100-250M, and is privately held. The company serves the automotive, electric vehicle, medical, and industrial equipment sectors. Its most recent public update reports exhibiting at a rubber and elastomer technology exhibition in October 2026.

Where is Yamauchi Corp headquartered?

Yamauchi Corp is headquartered in Hirakata, Osaka.

When was Yamauchi Corp founded?

Yamauchi Corp was founded in 1918.

How big is Yamauchi Corp?

Yamauchi Corp has an estimated 1,000-5,000 employees, with revenue in the $100-250M range (estimated).

What certifications does Yamauchi Corp hold?

Yamauchi Corp lists IATF 16949 · ISO 14001 · 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.