KI

Keisuke Iinuma

Canon: 16 patents #4,160 of 19,416Top 25%
Overall (All Time): #266,294 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12427777 Liquid storage container Takashi Hayasaka, Tatsuo Nanjo, Wataru Takahashi, Hiromasa Tsutsumi, Hideaki Matsumura +5 more 2025-09-30
12420556 Container and method of manufacturing same Shuichi Hasegawa, Yukuo Yamaguchi, Junichiro Iri 2025-09-23
12403694 Liquid discharge cartridge Shuichi Hasegawa, Yukuo Yamaguchi, Junichiro Iri 2025-09-02
11833822 Liquid discharge cartridge manufacturing method Shuichi Hasegawa, Yukuo Yamaguchi, Junichiro Iri 2023-12-05
11254135 Liquid storage container Tatsuo Nanjo, Wataru Takahashi, Kenta Udagawa 2022-02-22
D923705 Ink cartridge for computer printer Wataru Takahashi, Tatsuo Nanjo, Norihiro Ikebe, Kenta Udagawa 2021-06-29
10994548 Liquid reservoir container and liquid ejection apparatus Kenta Udagawa, Tatsuo Nanjo, Hiroshi Koshikawa 2021-05-04
10967643 Liquid ejecting apparatus Tatsuo Nanjo, Kenta Udagawa, Hiroshi Koshikawa 2021-04-06
D831739 Ink cartridge for printer Tatsuo Nanjo, Keiichiro Tsukuda, Yasuo Kotaki 2018-10-23
9981477 Liquid ejecting device and head Hironori Fukuchi, Tatsuo Nanjo, Keiichiro Tsukuda, Yasuo Kotaki 2018-05-29
9981478 Liquid ejecting device and head with flexible member for supplying liquid from a main tank Norihiro Ikebe, Yasuo Kotaki, Keiichiro Tsukuda, Tatsuo Nanjo 2018-05-29
9962945 Liquid ejecting device, head, and liquid filling method Tsubasa Takaoka, Tatsuo Nanjo, Keiichiro Tsukuda, Yasuo Kotaki 2018-05-08
D794708 Ink cartridge for printer Tatsuo Nanjo, Keiichiro Tsukuda, Yasuo Kotaki 2017-08-15
9050791 Liquid discharge head and method for manufacturing the same Hiromasa Amma, Kyosuke Toda 2015-06-09
8777377 Liquid discharge head Rumi Nagata, Hiromasa Amma 2014-07-15
8500250 Liquid discharge head and method for manufacturing the same Hiromasa Amma, Kyosuke Toda 2013-08-06
8454130 Liquid ejection head and method of producing liquid ejection head 2013-06-04