Japan, Oct. 30 -- ENZAN KOBO:KK has got intellectual property rights for 'TUNNEL WORKING FACE ALARMING SYSTEM.' Other related details are as follows:
Application Number: JP,2021-206396
Category (FI): H04N7/18@D,E21D9/00@Z,G01C15/00,104@A,G06Q50/08,H04N7/18@K
Stage: Grant (IP right document published.)
Filing Date: Dec. 20, 2021
Publication Date: June 30, 2023
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication....