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I agree. I have pretty primitive skills searching in Japanese, but I've had quite a hard time finding anything about even well-known Japanese razor makers. The impression I'm sometimes left with is...

I'm not particularly awesome at Japanese, but hope this is a good start...

The Japanese is イヤテモ切レル 商標登録 へんホつ

イヤテモ切レル is something like "can cut anything", though I'm not sure how to translate...