GENEVA, Sept. 9 -- 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/JP2025/007157) for "OIL-BASED INK COMPOSITION FOR BALLPOINT PEN" on Feb 28, 2025. With publication no. WO/2025/183168, the details related to the patent application was published on Sep 04, 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): KASHIWAMAT...