HN

Hidefumi Nagashima

Ricoh Company: 29 patents #656 of 9,818Top 7%
RC Rioch Company: 1 patents #1 of 30Top 4%
Overall (All Time): #124,183 of 4,157,543Top 3%
30
Patents All Time

Issued Patents All Time

Showing 26–30 of 30 patents

Patent #TitleCo-InventorsDate
8899719 Image forming method and image forming apparatus Michihiko Namba, Kiyofumi Nagai 2014-12-02
8883275 Inkjet recording medium and ink set, and inkjet recording method Hiroshi Gotou 2014-11-11
8382271 Inkjet ink, ink cartridge, inkjet recording apparatus, inkjet recording method and image forming apparatus Hiroshi Goto, Yukitaka Watarai, Koji Katsuragi 2013-02-26
8304043 Inkjet recording ink and recording media set, inkjet recording method, recorded matter and recording apparatus Kiyofumi Nagai, Michihiko Namba, Mariko Kojima 2012-11-06
8110257 Ink-jet recording method, ink-jet recording apparatus and recorded matter Kiyofumi Nagai 2012-02-07