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Noriko SAKANE

ML Mitsubishi Pencil Company, Limited: 2 patents #127 of 302Top 45%
Overall (All Time): #1,945,066 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9873806 Ink composition for aqueous ink ball point pen Yusuke Kobayashi, Tomoyuki Akaki 2018-01-23
9416286 Ink composition for aqueous ballpoint pen Yoji Takeuchi, Yusuke Kobayashi, Saki Hanatani 2016-08-16