TK

Tomomi Katoh

Ricoh Company: 39 patents #374 of 9,818Top 4%
HK Hamamatsu Photonics K.K.: 1 patents #936 of 1,436Top 70%
Overall (All Time): #78,803 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
8292414 Ink cartridge and an imaging apparatus Tadashi Hayakawa, Shotaro Takeuchi, Toshiroh Tokuno, Masanori Kusunoki, Akiko Bannai +2 more 2012-10-23
8272713 Image forming apparatus Toshiroh Tokuno, Jun Ichinowatari, Fumitaka Kikkawa 2012-09-25
8272718 Image forming apparatus having recording head Kazuo Haida 2012-09-25
8141996 Liquid ejecting device and image forming apparatus 2012-03-27
8118381 Image forming apparatus 2012-02-21
8104859 Head array unit and image forming apparatus 2012-01-31
8096636 Waste liquid storage container, waste liquid discharge device, and image formation apparatus 2012-01-17
8052262 Liquid container and image forming apparatus employing the liquid container Toshiroh Tokuno, Shotaro Takeuchi, Akiko Bannai, Masanori Kusunoki, Masahiro Kuwata +2 more 2011-11-08
8016375 Image forming apparatus 2011-09-13
8011765 Liquid feeding member for liquid ejection head, liquid ejection device, and image forming apparatus 2011-09-06
7364253 Liquid drop jet head, ink cartridge and ink jet recording apparatus Kenichiro Hashimoto, Mitsumi Fujii, Tsuneo Maki, Kiyoshi Yamaguchi 2008-04-29
7325908 Pressure adjustment mechanism, liquid tank, liquid providing device, ink cartridge, and inkjet printing apparatus Eisuke Hori 2008-02-05
6913348 Liquid drop jet head, ink cartridge and ink jet recording apparatus Kenichiro Hashimoto, Mitsumi Fujii, Tsuneo Maki, Kiyoshi Yamaguchi 2005-07-05
6682185 Liquid drop jet head, ink cartridge and ink jet recording apparatus Kenichiro Hashimoto, Mitsumi Fujii, Tsuneo Maki, Kiyoshi Yamaguchi 2004-01-27
6058003 Electrostatic charger and discharger Masayuki Hirano, Masami Kadonaga, Akio Kojima 2000-05-02