Kyokutō
Kyokutō Kōki Seisakusho was a Japanese company that made the Semi-Tex 4.5×6 folder in 1937–8. It seemed to use the short name Kyokko Mfg. Co., and this short name appeared in the company's logo. It also used the trademark "Simpu".
Kyokutō Kōki Seisakusho was a Japanese company that made the Semi-Tex 4.5×6 folder in 1937–8. It seemed to use the short name Kyokko Mfg. Co., and this short name appeared in the company's logo. It also used the trademark "Simpu".