株式会社プロトコーポレーション News Releases

Proto Corporation Acquires All Shares of Nishiyouman Co., Ltd., Making it a Wholly Owned Subsidiary

Proto Corporation has acquired all shares of Nishiyouman Co., Ltd., which farms and sells the brande… · 2026-06-03

Goo-net Kaitori Renewed with New Features Added!

Proto Corporation renewed its car purchasing platform 'Goo-net Kaitori' on April 1, 2026, introducin… · 2026-04-01

Launch of Hot Spring Accommodation Catalog "5-Star Inn Gift"

Proto Corporation's travel business, "GooTravel," launched three types of hot spring accommodation c… · 2026-03-31