GENEVA, July 29 -- 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/JP2025/000462) for "OIL-IN-WATER INK COMPOSITION FOR WRITING INSTRUMENTS" on Jan 09, 2025. With publication no. WO/2025/154632, the details related to the patent application was published on Jul 24, 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): SASAKI, Yoko (c/o...