Ryosan

Ryosan is a Japanese electronics trading company (electronics distributor). According to the official history page, the company was originally founded in 1953 as Yugen Kaisha Ryosan Electric (有限会社菱三電気), reorganized into a joint-stock company in 1957, and changed its name to 'Ryosan Co., Ltd.' (株式会社リョーサン) in 1981. It listed on the Second Section of the Tokyo Stock Exchange in 1983 and was designated to the First Section in 1986. The company built strengths in semiconductor products, including Renesas Electronics, and traded with major domestic companies centered on automotive component manufacturers. In 2023 Ryosan and Ryoyo Electro formed a capital alliance and agreed on a management integration; on April 1, 2024, Ryosan Ryoyo Holdings Co., Ltd. was established and newly listed on the Tokyo Stock Exchange Prime Market. On April 1, 2026, Ryosan and Ryoyo Electro merged to form Ryosan Ryoyo Co., Ltd.

According to the official history page, the company's origins trace to 1953, when Yugen Kaisha Ryosan Electric (有限会社菱三電気) was founded. In 1957 it was reorganized into a joint-stock company as Ryosan Electric Co., Ltd. (株式会社菱三電気). In 1981 the company changed its name to 'Ryosan Co., Ltd.' (株式会社リョーサン). It listed on the Second Section of the Tokyo Stock Exchange in 1983 and was designated to the First Section in 1986. In 2022 it moved to the Tokyo Stock Exchange Prime Market. In 2023 Ryosan and Ryoyo Electro formed a capital alliance, Ryosan became an equity-method affiliate, and the two companies signed a basic agreement and then a final agreement for management integration through the establishment of a joint holding company. On April 1, 2024, Ryosan Ryoyo Holdings Co., Ltd. was established and newly listed on the Tokyo Stock Exchange Prime Market. On April 1, 2026, Ryosan and Ryoyo Electro merged to form Ryosan Ryoyo Co., Ltd. The official 'About Ryosan Ryoyo' page states that Ryosan had strengths in semiconductor products including Renesas Electronics and traded with major domestic companies centered on automotive component manufacturers, and that at one point it held a top position in the electronics trading company industry.

Electronics trading company with strengths in semiconductor products, including Renesas Electronics, trading mainly with automotive component manufacturers and major domestic companies.

Product categories. Semiconductor products · Electronic components

1. 1リョーサン菱洋オフィシャルサイトrr-hds.co.jp
2. 2沿革 | 企業情報 | リョーサン菱洋ホールディングス株式会社rr-hds.co.jp
3. 3リョーサン菱洋について | 企業情報 | リョーサン菱洋ホールディングス株式会社rr-hds.co.jp
4. 4リョーサン菱洋を知る | リョーサン菱洋について | 企業情報 | リョーサン菱洋ホールディングス株式会社rr-hds.co.jp