Japan, Feb. 26 -- 河野 雄峰 holds the trademark for 'ハム将棋.' Other related details are as follows:
Application Number: Reg.No.7015041
Class: 09,42
Status: LIVE-REGISTRATION-Published for Opposition
Filing Date: Sept. 19, 2025
Registration Date: Feb. 10
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/c1801/TR/JP-2025-107945/40/en
Disclaimer: Curated by HT Syndication.
