TA

Tomoyuki Akaki

ML Mitsubishi Pencil Company, Limited: 1 patents #181 of 302Top 60%
Overall (All Time): #2,872,848 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9873806 Ink composition for aqueous ink ball point pen Yusuke Kobayashi, Noriko SAKANE 2018-01-23