Japan, June 19 -- 三宅 秀樹 holds the trademark for '*sum∞i∞maru.' Other related details are as follows:
Application Number: Reg.No.7053630
Class: 28
Status: LIVE-REGISTRATION-Published for Opposition
Filing Date: Oct. 8, 2025
Registration Date: June 10
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/c1801/TR/JP-2025-116194/40/en
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