KO

Kazumasa Otsuki

SE Seiko Epson: 2 patents #4,555 of 7,774Top 60%
Overall (All Time): #1,742,067 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11866596 Aqueous ink jet composition Kenji Kitada, Hiroko Hayashi, Yasunari Ikeda, Hisashi Okamura, Kenta KIKUCHI +6 more 2024-01-09
11591489 Aqueous ink jet composition Hisashi Okamura, Hiroko Hayashi, Kenji Kitada, Yasunari Ikeda, Hirofumi Hokari +6 more 2023-02-28