GENEVA, Aug. 18 -- 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５－２３－３７) filed a patent application (PCT/JP2025/003431) for "OIL-IN-WATER TYPE INK COMPOSITION FOR WRITING UTENSILS" on Feb 03, 2025. With publication no. WO/2025/169879, the details related to the patent application was published on Aug 14, 2025.
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
Inventor(s): OGURA, Kosuke (...