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 appeared in the company's logo. It also used the trademark "Simpu".

Bibliography

• Asahi Camera (アサヒカメラ) editorial staff. Shōwa 10–40nen kōkoku ni miru kokusan kamera no rekishi (昭和10–40年広告にみる国産カメラの歴史, Japanese camera history as seen in advertisements, 1935–1965). Tokyo: Asahi Shinbunsha, 1994. ISBN 4-02-330312-7. Item 153.