Japan, Aug. 31 -- 昭和機器工業株式会社 holds the trademark for '猛練習・猛勉強・猛仕事.' Other related details are as follows:

Application Number: Reg.No.7075138

Class: 16

Status: LIVE-REGISTRATION-Published for Opposition

Filing Date: Jan. 29

Registration Date: Aug. 19

The original document can be viewed at: https://www.j-platpat.inpit.go.jp/c1801/TR/JP-2026-009113/40/en

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