JF

Juichi Furukawa

Ricoh Company: 35 patents #475 of 9,818Top 5%
RC Rioch Company: 1 patents #1 of 30Top 4%
Overall (All Time): #87,788 of 4,157,543Top 3%
37
Patents All Time

Issued Patents All Time

Showing 26–37 of 37 patents

Patent #TitleCo-InventorsDate
9340692 Ink, inkjet recording method, and recorded matter Tomohiro Nakagawa, Naohiro Toda, Hidefumi Nagashima, Hikaru Kobayashi 2016-05-17
9321923 Aqueous ink for inkjet, ink cartridge, and inkjet recording device Tomohiro Nakagawa, Naohiro Toda, Hidefumi Nagashima, Ichiroh Fujii 2016-04-26
9284464 Inkjet ink, ink cartridge, and inkjet recording device Hidefumi Nagashima, Naohiro Toda, Tomohiro Nakagawa, Ichiroh Fujii 2016-03-15
9163160 Aqueous ink for inkjet, ink cartridge, and inkjet recording device Naohiro Toda, Tomohiro Nakagawa, Hidefumi Nagashima, Ichiroh Fujii, Kiyofumi Nagai 2015-10-20
8197056 Image forming apparatus having line-type recording head 2012-06-12
8083339 Ink set, treating liquid, recording liquid, image recording apparatus and image recording method Hiroshi Adachi 2011-12-27
7931350 Waste liquid tank, liquid ejection device, and image forming apparatus Shigeaki Kimura 2011-04-26
7922309 Ink refill kit capable of efficiently siphoning ink from an ink bottle 2011-04-12
7699450 Ink supplying container and image forming apparatus Toshitaka Osanai 2010-04-20
7673964 Removing member and image forming apparatus 2010-03-09
7645035 Ink set, ink-jet printing method, and ink-jet printer Hiroshi Adachi 2010-01-12
7427130 Image forming process and image forming apparatus and ink set therefor Hiroshi Adachi 2008-09-23