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Yuko Negishi

Canon: 5 patents #9,253 of 19,416Top 50%
Overall (All Time): #918,173 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12398287 Ink jet recording method and ink jet recording apparatus Satoshi Takebayashi, Yoshitaka Torisaka, RYO TSUJII, NAO ISHIJIMA, Eiichi Nakata 2025-08-26
10125283 Ink, ink cartridge, and ink jet recording method Yojiro Kojima, Yoshihisa Yamashita 2018-11-13
10022981 Ink, ink cartridge, and ink jet recording method Fumiaki Fujioka, Yoshihisa Yamashita 2018-07-17
9994012 Ink jet recording method and ink jet recording apparatus Soichi Nagai, Tomohiro Yamashita 2018-06-12
9956761 Ink, ink cartridge, and ink jet recording method Yoshihisa Yamashita, Ryuki Nanamiya, Toshiyuki Umesato 2018-05-01