Japan, Aug. 18 -- 池ケ谷 しず子 holds the trademark for '鍵盤色分けメソッド.' Other related details are as follows:
Application Number: Reg.No.7071247
Class: 41
Status: LIVE-REGISTRATION-Published for Opposition
Filing Date: Jan. 5
Registration Date: Aug. 5
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/c1801/TR/JP-2026-000206/40/en
Disclaimer: Curated by HT Syndication.
