Togami Denki Seisakusho Co. - Saga-shi, Saga

Saga Seisakusho Ltd

Tsugami Seisakusho Co

Hokushin Denki Seisakusho - Tokyo-To

Furukawa Denki Co

Kyodo Denki Co., Ltd

General medicine (Saga-shi, Japan) [digital].

Toyo Keiki Denki Co., Ltd

Kanto Denki (Kanto Electric Industry Co.)

Mikuni Celluloid Co., Omi Industry Co. - 3rd Works, Acacia Seisakusho, Araya Industry Co. - Kansai Plant

List of Authorized Use - Tamagawa Works, Shonan Seisakusho Co., Ltd

Teikoku Chukosho - Kanzakigawa Plant, Mizumoto Seisakusho, Miura Aircraft Co., Matsushita Electric Ind. Co. - Kadoma Plant

Masuda Kikai Seisakusho K.K., Kanegafuchi Ind. Co. Ltd. - Takasago, Kobe & Akashi, Kanegafuchi Ind. Co. Ltd. - Yodogawa Alcohol Works, Kansai Haiden

Mandai Minute Mechanical, Mamoru Electric Industry K.K., Makiseikikai Seisakusho, Kanegafuchi Spinning Co., Ltd. - Nakajima Factory

Fuji Denki Seizo Co, Serial No. 189. Report No. 2-s, USSBS Index Section 8

Fuji Denki Seizo Co, Serial No. 189. Report No. 2-t, USSBS Index Section 8

Mitsubishi Denki K.K. - Wakayama Kojo, Misugi Iron Works, Kano Manufactory, Matsushita Electric Ind. Co. - Juso Plant

Report on K. K. Hokushin Denki Seisakusho (Hokushin electric factory), 2 February 1944. Report No. 19-b(123), USSBS Index Section 6