Hiroshi Sato

Part of Bunkyodo Group Holdings Co., Ltd., Bunkyodo Co. Ltd. is a Japanese company that handles a wide range of books and miscellaneous goods, from general books to specialized books, stationery, and miscellaneous goods. The company is based in Kawasaki, Japan. The official website of Bunkyodo Co. provides an introduction to their programming classroom, shareholder information, and the history of the company.

Part of Nippan Group Holdings, Inc., Nippon Shuppan Hanbai, Inc. /New/ publishes and sells books, magazines and textbooks. The company is based in Tokyo, Japan.

Part of Gakken Holdings Co., Ltd., Gakken Sta\:Ful Co.,Ltd. Based in Tokyo, Japan, customers can easily search for products by age, purpose, item, character, and brand name on the Gakken Sta\:Ful website. is a Japanese company that specializes in educational toys and stationery for children as young as 1.5 years old. Founded in 1994, the company's website serves as a portal for introducing new blocks, toys, and stationery that can be enjoyed by children of various ages.

Kodansha Ltd. provides publishing services. Its business areas include comic publishing, book publishing, magazine publishing and digital content business. The firm’s book publishing business provides paperback series, hardcover and trade non-fiction, hardcover and trade fiction, lifestyle and hobbies, entertainment, children’s books and reference books and its magazine publishing business handles the production of general interest, fashion and beauty, literary, special focus, juvenile and sports and hobby magazines. The company was founded by Seiji Noma in November 1909 and is headquartered in Tokyo, Japan.

BE1 & Co. KK provides financial advisory services. The private company is based in Tokyo, Japan.

Himawari Holdings, Inc. engages in the foreign exchange and securities businesses. It operates in the following segments: Foreign Exchange-Related, Securities-Related, and Others. The Foreign Exchange-Related segment offers over-the-counter foreign exchange margin trading. The Securities-Related segment provides derivative trading including equity index futures and option transaction. The company was founded on May 2, 2002 and is headquartered in Tokyo, Japan.

Part of IS Holdings Co., Ltd., Himawari Securities, Inc. is a company based in Tokyo, Japan.

Kuroda Law Offices is a law firm based in Tokyo, Japan that provides high-quality legal services in various fields such as intellectual property rights, investment, finance, and trade. The firm offers legal support to both Taiwanese and Japanese companies and has a subsidiary in China. Kuroda Law Offices specializes in intellectual property rights, patent litigation, international arbitration, overseas expansion, anti-dumping, labor, compliance, and corporate legal affairs. The firm also provides legal information through its monthly column, "Business Legal Practice Information," which covers important legal information, investment business information, and local information.

Seiwa Meitetsu Law Office provides legal services. The private company is based in Tokyo, Japan.

Yamano Music Co., Ltd. is a Japanese company that specializes in musical instruments, music CDs and DVDs, music classes, and culture lessons. Yamano Music Co. is based in Tokyo, JP, and has subsidiaries in Japan. The private company also provides music information and mail order services through their web shopping site, where customers can make reservations and purchases online. The company offers a wide range of products, including new and used scores and instrument-specific boards, as well as popular CDs and DVDs. The company also provides music information such as new release information, rankings, and great instrument sales.

Culture Convenience Club Co., Ltd. engages in entertainment business centered on bookstore business. It sells and rents videos, DVDs, CDs, game software, and other entertainment contents. It also handles database marketing business through online and offline. The company was founded by Muneaki Masuda on March 24, 1983 and is headquartered in Tokyo, Japan.

Revamp Corp. engages in management and marketing business, digital and IT business, and investment business. It provides business management, marketing, creative, and consulting services. The company was founded on September 15, 2005 and is headquartered in Tokyo, Japan.

MM Holdings KK engages in the acquisition and possession of securities; and control and manage its subsidiaries. The company is headquartered in Tokyo, Japan.

T Point Japan KK engages in the operation of the T point program. The company was founded on October 1, 2012 and is headquartered in Tokyo, Japan.

Part of Nippan Group Holdings, Inc., MPD Co., Ltd. is a Japanese sales logistics company that supplies books and entertainment products to Tsutaya and bookstores. The company is based in Tokyo, Japan. MPD specializes in providing sales logistics services for books and entertainment products, ensuring that they are delivered to their intended destinations efficiently and effectively.

Masuda & Partners Co. Ltd. is a private asset management firm. The firm manages investments of various securities such as shares, bonds and real estates. The company was founded on July 21, 1983 and is headquartered in Hirakata, Japan.

BOOKOFF Corp. Ltd. engages in the operation of second-hand bookshops. It operates through the following segments: Reuse Store, BOOKOFF Online, Hugall, and Others. The Reuse Store segment handles the operations of BOOKOFF, BOOKOFF SUPER BAZAAR, and BOOKOFF PLUS stores, which sells reused products and materials such as books, software, apparel, sporting goods, baby supplies, and watches. The BOOKOFF Online segment manages the operation of BOOKOFF Online, an Internet based reuse shops. The Hugall segment purchases other types of merchandise in addition to the usual items. The Others segment includes the planning, design, and construction of stores. The company was founded by Takashi Sakamoto on May 4, 1990 and is headquartered in Sagamihara, Japan.