Keihanna Interaction Plaza Incorporated
Japanese company that operates the Keihanna Plaza cultural-academic research exchange facility in the Keihanna Science City.
Last updated September 16, 2026
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Overview
Keihanna Interaction Plaza Incorporated (株式会社けいはんな) is a Japanese company established on 2 August 1989 with capital of 100 million yen, headquartered at 1-7 Kōdai, Seika-chō, Sōraku-gun, Kyoto. Its stated purpose is the establishment and operation of the Keihanna Plaza, a cultural-academic research exchange facility defined under the Kansai Science City Construction Promotion Act. Its main businesses include leasing, management and operation of the Lab Building, Super Lab Building and Exchange Building, support for tenants, management and operation of the Kyoto Prefectural Keihanna Hall under a management agreement with Kyoto Prefecture, and operation of the Keihanna Plaza Hotel.
History
The company was established on 2 August 1989 as 株式会社けいはんな, with its head office in Shimogyō-ku, Kyoto, and was designated by the Prime Minister as the company to develop the cultural-academic research exchange facility. In April 1993 the Keihanna Plaza was completed and the head office was relocated into it. In June 2000 the Kyoto Prefectural Keihanna Venture Center (incubation rooms) was opened. In November 2007 the company filed for civil rehabilitation proceedings at the Osaka District Court; the rehabilitation plan was approved in July 2008 and the proceedings ended in September 2008, with partial lump-sum repayment of financial institution debt and forgiveness of remaining debt, donation of the Lab Building, Super Lab Building and Hall to Kyoto Prefecture (with the Lab and Super Lab Buildings then leased back free of charge from the prefecture), and a capital reduction. In December 2008 it became the designated manager of the Kyoto Prefectural Keihanna Hall. In April 2009 it was entrusted with the operation and management of the Kyoto Prefectural Keihanna Venture Center (incubation rooms). In April 2020 it absorbed Keihanna Plaza Hotel Co., Ltd. (a 100% subsidiary) through an absorption-type merger.
Products and positioning
Operator of the core exchange facility of the Keihanna Science City, providing venues and support for cultural, academic and research exchange.
Keihanna Plaza (けいはんなプラザ)
Kyoto Prefectural Keihanna Hall (京都府立けいはんなホール)
Keihanna Plaza Hotel (けいはんなプラザホテル)
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