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 1–25 of 40 patents

Patent #TitleCo-InventorsDate
11999168 Liquid discharge device and liquid discharge apparatus Shuusei Murai, Kiyoshi Suzuki 2024-06-04
11554586 Liquid discharge device and liquid discharge apparatus incorporating same Hiroomi Yokomaku 2023-01-17
10391779 Liquid discharge apparatus Yuta Moriwaki, Satoru Yoshida 2019-08-27
10173436 Liquid circulation device and liquid discharge apparatus Satoru Yoshida, Yuta Moriwaki 2019-01-08
9855759 Liquid container and liquid discharger Takeyuki Kobayashi, Ryoh Idehara, Yoichi Ito, Yoshinori Uchino 2018-01-02
9238372 Image forming apparatus Takeyuki Kobayashi, Hiroshi Noda 2016-01-19
9126795 Image forming apparatus Naoki Saitoh, Hiroshi Noda, Yuta Moriwaki 2015-09-08
9120315 Droplet ejection device and image forming apparatus including the droplet ejection device 2015-09-01
9039137 Image forming apparatus Yuta Moriwaki, Soyoung Park, Hiroshi Noda 2015-05-26
8939558 Image forming apparatus including liquid ejection head Yoichi Ito, Hiroshi Noda, Jun Ichinowatari 2015-01-27
8777389 Image forming apparatus including recording head for ejecting liquid droplets 2014-07-15
8668314 Image forming apparatus including recording head for ejecting liquid droplets 2014-03-11
8662634 Image forming apparatus including liquid ejection head for ejecting liquid droplets 2014-03-04
8657394 Image forming apparatus Kazuo Haida 2014-02-25
8646886 Ink cartridge and an imaging apparatus Tadashi Hayakawa, Shotaro Takeuchi, Toshiroh Tokuno, Masanori Kusunoki, Akiko Bannai +2 more 2014-02-11
8602537 Image forming apparatus 2013-12-10
8556376 Image forming apparatus Fumitaka Kikkawa, Yoichi Ito, Mitsuya Matsubara, Kuniyori Takano, Soyoung Park +4 more 2013-10-15
8500240 Image forming apparatus, method of suctioning liquid from nozzles of recording head and computer readable information recording medium Mitsuya Matsubara, Akiyoshi Tanaka, Yoichi Ito, Fumitaka Kikkawa, Soyoung Park +6 more 2013-08-06
8474958 Ink cartridge and image forming apparatus including the same Masahiro Kuwata, Tadashi Hayakawa, Ikoh Soh, Toshiroh Tokuno, Akiko Bannai +2 more 2013-07-02
8474929 Image forming apparatus Fumitaka Kikkawa, Toshiroh Tokuno, Jun Ichinowatari 2013-07-02
8465132 Image forming apparatus Toshiroh Tokuno, Jun Ichinowatari, Fumitaka Kikkawa, Nobuyuki Akaishi 2013-06-18
8454136 Ink cartridge and image forming apparatus employing the ink cartridge Tadashi Hayakawa, Ikoh Soh, Toshiroh Tokuno, Akiko Bannai, Shotaro Takeuchi +2 more 2013-06-04
8454142 Liquid carrying container and image forming device Akiko Bannai, Toshiroh Tokuno, Shotaro Takeuchi, Masanori Kusunoki, Masahiro Kuwata +2 more 2013-06-04
8393721 Imaging-material container, ink cartridge, and image forming apparatus Tadashi Hayakawa, Ikoh Soh, Akiko Bannai, Shotaro Takeuchi, Masahiro Kuwata +2 more 2013-03-12
8336998 Image forming apparatus Masahiro Kuwata, Tadashi Hayakawa, Ikoh Soh, Toshiroh Tokuno, Akiko Bannai +2 more 2012-12-25