Youth Engineering Co., Ltd.

Youth Engineering Co., Ltd. is a Japanese engineering firm headquartered in Niihama, Ehime Prefecture. Founded in 1970 as the Yamauchi Teruo Design Office, it was incorporated in 1978 and renamed Youth Engineering Co., Ltd. in 1980. The company has grown into a diversified engineering enterprise with approximately 130 employees and capital of 45 million yen. Its business spans equipment design and manufacturing, software development, documentation services, and energy-related projects. It serves a wide range of industries, offering custom-designed machinery, embedded and PC software, and technical manuals and translations. The company emphasizes self-developed products and participates in industry-academia collaborative projects. Recent developments include joining the Nuclear Supply Chain Platform (NSCP) in 2025 and the Embedded System Industry Promotion Organization (ESIP) in 2024, as well as opening a technical center in Osaka and relocating its Matsuyama office.

Youth Engineering Co., Ltd. was founded in August 1970 as the Yamauchi Teruo Design Office by Teruo Yamauchi. In January 1978, it was incorporated and renamed Yamauchi Design Office Co., Ltd. The company increased its capital to 10 million yen in October 1980 and changed its name to Youth Engineering Co., Ltd. in December 1980. In May 1981, it began documentation production, and in December 1983, it started electronic equipment and software development. The company continued to expand, increasing capital to 15 million yen in May 1985 and completing a new head office building in October 1985. Further capital increases followed: 23 million yen in May 1986 and 40 million yen in January 1988. In December 1986, it began manufacturing mechanical equipment, and in February 1990, it started manufacturing electronic equipment. Over the decades, Youth Engineering has grown into a comprehensive engineering firm with divisions for equipment design and manufacturing, software, documentation, and energy. It has approximately 130 employees and capital of 45 million yen. In recent years, it has joined industry organizations such as ESIP (2024) and NSCP (2025), opened an Osaka Technical Center (2025), and relocated its Matsuyama Office (2026).

• Founded as Yamauchi Teruo Design Office

• Incorporated and renamed Yamauchi Design Office Co., Ltd.

• Capital increased to 10 million yen

• Renamed Youth Engineering Co., Ltd.

• Started documentation production

• Started electronic equipment and software development

• Capital increased to 15 million yen

• New head office building completed

• Capital increased to 23 million yen

• Started manufacturing mechanical equipment

• Capital increased to 40 million yen

• Started manufacturing electronic equipment

• Updated roll press equipment introduction page

• Joined Embedded System Industry Promotion Organization (ESIP)

• Entered Nuclear Supply Chain Platform (NSCP)

• Opened Osaka Technical Center in Osaka Higobashi

• Relocated Matsuyama Office

A comprehensive engineering company that combines mechanical design, electronics, programming, and documentation services to provide tailored solutions across diverse industries.

• Equipment design and manufacturing

  Custom-designed production equipment and machinery for various industries.

• Software development

  Embedded microcontroller, PC application, and electronic device software.

• Documentation services

  Technical manuals, translations, and documentation production.

• Energy business

  Addressing energy industry challenges and contributing to safe, sustainable energy supply.

• Roll press equipment

  Roll press equipment introduced on the company website.

1. 1ユースエンジニアリング株式会社｜生産設備、機械などの電子・装置・制御システム、マニュアル・翻訳などのドキュメントサービスyoutheng.co.jp
2. 2会社案内｜ユースエンジニアリング株式会社｜Youth Engineering Co., Ltd.youtheng.co.jp
3. 3Youth Engineering Co., Ltd. (Japan) - Wikidatawikidata.org