Takashi Mitsui

Part of EDION Corp., PTN KK is a holding Japanese company that provides web systems development, digital marketing, sports management, and event promotions services. The company is based in Tokyo, Japan. The company was founded in 2016. PTN KK was acquired by EDION Corp. on February 08, 2021.

Part of EDION Corp., Hampstead Co., Ltd. is a Japanese Tokyo-based company founded in 2005 that provides educational services.

HAMOLO, Inc. is a holding company that develops and delivers mobile applications. It develops and operates PiCRO, an application that offers customer management and photography sales services. The firm's PiCRO solutions aimed at bodies such as children's sports teams, kindergartens, and nursery centers. Its online service allows users to manage membership and schedules, absence notifications, group communications, newsletters, payment of monthly fees, and sales and organization of photographs. The company was founded on November 5, 2009 and is headquartered in Tokyo, Japan.