List of Authorized Use - Kayaba Sangyo Co., Ltd. Tokyo Plant

List of Authorized Use - Kanegafuchi Spinning Co., Ltd. Tokyo Plant

List of Authorized Use - Showa Aircraft Industry Co., Ltd. Tokyo Plant

Kayaba Sangyo Co., Tokyo Plant

List of Authorized Use - Fuji Industrial Co., Ltd. Mitaka Plant

List of Authorized Use - Nikko industrial Co., Ltd. Tachikawa Plant

List of Authorized Use - Fuji Industrial Co., Ltd. Ogikubo Plant

List of Authorized Use - Nippon Soda Co., Ltd. Sunamachi Plant

List of Authorized Use - Mizuho Industrial Co., Ltd. Tanashi Plant

List of Authorized Use - Nippon Kentetsu Kogyo Co., Ltd. Nakagawa Plant

List of Authorized Use - Japan Special Steel Co., Ltd. Omori Plant

List of Authorized Use - Showa Aircraft Industry Co., Ltd. Ogami Plant

List of Authorized Use - Pilot Seiki Co., Ltd

List of Authorized Use - Nippon Kentetsu Kogyo Co., Ltd. Tokyo Works

List of Authorized Use - Tokyo Celluloid Industrial Co

28E 39-20: Kayaba Sangyo Co., Ltd. - Utsuki Plant

List of Authorized Use - Mitsubishi Heavy Industries Ltd., Tokyo Engineering Works, Maruko Plant

List of Authorized Use - Tokyo Juki Kogyo K.K., Tokyo Plant

List of Authorized Use - Kanegafuchi Spinning Co., Ltd. Nerima Works

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

List of Authorized Use - Nisshin Industry Co., Ltd. Itabashi Plant (Kakuwa Kokuki Kogyo K.K.)

List of Authorized Use - Mitsui Kogyo Kaisha, Tokyo Plant

List of Authorized Use - Oi Plant, Nippon Kogaku Kogyo K.K. (Japan Optical Industry Co., Ltd.)

List of Authorized Use - Nippon Kinzoku Sangyo K.K., Machida Factory

List of Authorized Use - Nippon Kinzoku Sangyo K.K. Adachi Factory