@KentoWatanabe-6428
Welcome to Q&A forum.
But please note, the tag "office-word-itpro" focus on general questions of Word desktop client.
Your issue is more realted to OCR-B font and Japanese Industrial Standard for Alphanumeric character sets for optical recognition, which is not supported on Q&A forum.
I would change the tag to be "not-supported".
Thanks for your understanding.
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