INTERNATIONAL PATENT: MITSUBISHI PENCIL COMPANY, LIMITED, 三菱鉛筆株式会社 FILES APPLICATION FOR "BLACK RESIN PARTICLE DISPERSION AND AQUEOUS INK COMPOSITION FOR WRITING IMPLEMENTS CONTAINING SAME"

GENEVA, May 19 -- MITSUBISHI PENCIL COMPANY, LIMITED (5-23-37, Higashi-Ohi, Shinagawa-ku, Tokyo1408537), 三菱鉛筆株式会社 (東京都品川区東大井五丁目２３番３７号) filed a patent application (PCT/JP2025/038570) for "BLACK RESIN PARTICLE DISPERSION AND AQUEOUS INK COMPOSITION FOR WRITING IMPLEMENTS CONTAINING SAME" on Nov 04, 2025. With publication no. WO/2026/100525, the details related to the patent application was published on May 15, 2026.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual ...