HH

Hirofumi Hirano

Canon: 5 patents #142 of 2,554Top 6%
📍 Arakawa, JP: #1 of 6 inventorsTop 20%
Overall (2003): #9,954 of 273,478Top 4%
5
Patents 2003

Issued Patents 2003

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6637872 Ink tank, ink jet recording head, ink jet cartridge, and ink jet recording apparatus Yohji Ara, Hiroyuki Inoue, Hideo Fukazawa, Tetsuji Kurata, Hiroshi Netsu +4 more 2003-10-28
6629758 Joint device, ink jet recording apparatus having the same, and ink supplying device and method Hideaki Okamoto, Yohji Ara, Hiroyuki Inoue, Hideo Fukazawa, Tetsuji Kurata +4 more 2003-10-07
6577818 Information processing method, information processing system, electronic device, and cartridge 2003-06-10
6540321 Ink tank, ink-jet cartridge, ink-supplying apparatus, ink-jet printing apparatus and method for supplying ink Yohji Ara, Hiroyuki Inoue, Hideo Fukazawa, Tetsuji Kurata, Hiroshi Netsu +4 more 2003-04-01
6523933 Media cartridge and image recording apparatus with detachably mountable media cartridge Hiroshi Nakai, Keiji Takahashi 2003-02-25