with apologies to Ogden Nash...
"Inoue Seisakusho"...per this (quite thorough) blog page which Chrome at least translates very well into English:https://ameblo.jp/corgibell/entry-12592385251.htmlhttps://stat.ameba.jp/user_images/20230711/09/corgibell/6a/d2/j/o0725027315310861271.jpg?caw=800Alloy Artifacts says they made wrenches for OEM motorbike manufacturers, which may explain the SAE size in your picture.http://alloy-artifacts.org/japanese-tool-makers.html
"Inoue Seisakusho"...per this (quite thorough) blog page which Chrome at least translates very well into English:
ReplyDeletehttps://ameblo.jp/corgibell/entry-12592385251.html
https://stat.ameba.jp/user_images/20230711/09/corgibell/6a/d2/j/o0725027315310861271.jpg?caw=800
Alloy Artifacts says they made wrenches for OEM motorbike manufacturers, which may explain the SAE size in your picture.
http://alloy-artifacts.org/japanese-tool-makers.html