Someone might know who actually made it, but regardless, a lot of the parts are interchangeable with other camera brands, such as Tachihara, Nagaoka, Wista, etc. A lot depends on the part(s) you need. Some modification might be needed -- and whether you want to return things to "stock" condition or not.
I thought Horseman Woodman cameras were dark brown color? Regardless, as xkaes says, the hardware on most Japanese cameras is very similar, though you might need to modify them.
Kumar
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