Japan, Oct. 30 -- HITACHI ZOSEN CORP has got intellectual property rights for 'SHIELD MACHINE AND METHOD FOR DRIVING CUTTER HEAD OF SHIELD MACHINE.' Other related details are as follows:
Application Number: JP,2021-121822
Category (FI): E21D9/06,301@Z,E21D9/12@D
Stage: Grant (IP right document published.)
Filing Date: July 26, 2021
Publication Date: Feb. 7, 2023
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication....