Toshiyuki Kataoka

Spika, Inc. develops and operates mobile applications. Its mobile platform, Nailbook, operates as a social network application that offers nail design and information services. The firm’s business activities also include web content and site design and development; sales promotion, advertisement delivery, consulting, and market research via the Internet; business model planning, research, development, and sales; and intellectual property rights licensing and maintenance. The company was founded by Isao Kouda on April 1, 2014 and is headquartered in Tokyo, Japan.

YUMEMI, Inc. provides mobile digital marketing systems, consulting, and support services. It also involves in digital media content management and operation services. The company was founded on January 27, 2000 and is headquartered in Tokyo, Japan.

Shiki Design, Inc. engages in the planning, development and production of websites. It also involves in graphic design, photography, copywriting, printing, corporate identity and visual information development and corporate branding, shooting and copywriting. The company was founded in November 2000 and is headquartered in Kyoto, Japan.