KN

Kiyofumi Nagai

Ricoh Company: 6 patents #96 of 1,683Top 6%
Overall (2011): #11,288 of 364,097Top 4%
6
Patents 2011

Issued Patents 2011

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8044114 Ink for recording, and ink cartridge, ink recorded matter, inkjet recording apparatus and inkjet recording method using the same Hisashi Habashi, Michihiko Namba, Mariko Kojima, Akihiko Gotoh, Tamotsu Aruga 2011-10-25
8029122 Recording ink, inkjet recording method and inkjet recording apparatus Mariko Kojima, Akihiko Gotoh, Akiko Bannai, Tomohiro Inoue 2011-10-04
7950793 Recording ink, ink cartridge, ink record, inkjet recording apparatus and inkjet recording process Tamotsu Aruga 2011-05-31
7938527 Ink, ink cartridge, ink jet recording apparatus, and ink jet recording method Tohru Ohshima, Naoya Morohoshi, Hiroyuki Kiyoi, Masanori Hirano, Shigetaka Sakakibara 2011-05-10
7922316 Inkjet recording apparatus and inkjet recording method Akiko Bannai, Eisuke Hori, Akihiko Gotoh 2011-04-12
7892340 Ink-jet recording ink, ink-jet recording ink set, ink-jet recording ink media set, ink cartridge, ink-jet recording method and ink-jet recording apparatus Michihiko Namba, Naoya Morohoshi, Tohru Ohshima, Akihiko Gotoh 2011-02-22