Japan, Oct. 23 -- 村上 英夫 holds the trademark for '空学.' Other related details are as follows:
Application Number: Reg.No.7091858
Class: 35,41
Status: LIVE-REGISTRATION-Published for Opposition
Filing Date: April 7
Registration Date: Oct. 13
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/c1801/TR/JP-2026-038808/40/en
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