Japan, Feb. 27 -- PILOT CORPORATION has got intellectual property rights for 'INK STORAGE CYLINDER AND WRITING INSTRUMENT PROVIDED WITH INK STORAGE CYLINDER.' Other related details are as follows:
Application Number: JP,2022-075318
Category (FI): C09D11/16,B43K7/06
Stage: PROBLEM TO BE SOLVED: To provide an ink storage cylinder excellent in both gas barrier properties and ink visibility, and a writing instrument provided with this ink storage cylinder.SOLUTION: There are provided: an ink storage cylinder 2 which has an internal region for storing ink G for a writing instrument and is formed from a ceramic material having enough transparency to allow the ink G stored in the internal region to be seen from the outside; and a writing instrument 10 including the ink storage cylinder 2.SELECTED DRAWING: Figure 2 (Grant)
Filing Date: April 28, 2022
Publication Date: Nov. 10, 2023
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
