Japan, Feb. 6 -- 松久 優希 holds the trademark for 'M式ヒト幹サポーター.' Other related details are as follows:

Application Number: Reg.No.7009984

Class: 41,44

Status: LIVE-REGISTRATION-Published for Opposition

Filing Date: July 8, 2025

Registration Date: Jan. 27

The original document can be viewed at: https://www.j-platpat.inpit.go.jp/c1801/TR/JP-2025-077182/40/en

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