GAKKEN HOLDINGS CO. is a Japanese publishing company founded in 1947 by Hideto Furuoka. They produce educational toys and electronic games. Gakken publishes educational books and magazines and produces other educational products including computers and video systems.
Detailed Museum records and historical inventory records share this manufacturer room. When an original inventory entry matches a detailed record, the detailed Museum record is canonical.
This manufacturer room is a documentation view. Individual physical machines, including duplicate examples, are tracked in the separate specimen registry.
No individual Museum record has yet been entered for this manufacturer. The room remains in the catalogue so future additions do not change its structure.
Original source room: ChessEval Forum · Gakken