Japan, Oct. 30 -- PENTEL CORP has got intellectual property rights for 'OIL-BASED INK FOR BALLPOINTS.' Other related details are as follows:
Application Number: JP,2021-213239
Category (FI): C09D11/18
Stage: Grant (IP right document published.)
Filing Date: Dec. 27, 2021
Publication Date: July 7, 2023
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
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