YK

Yoshihiro Koizumi

SE Seiko Epson: 59 patents #133 of 7,774Top 2%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
TC Toppan Printing Co.: 2 patents #414 of 1,467Top 30%
SO Sony: 1 patents #17,262 of 25,231Top 70%
Overall (All Time): #36,322 of 4,157,543Top 1%
62
Patents All Time

Issued Patents All Time

Showing 26–50 of 62 patents

Patent #TitleCo-InventorsDate
10414164 Cartridge, cartridge unit, and liquid ejection system Hiroyuki Nakamura, Ayumi Yoshida 2019-09-17
10308032 Cartridge for liquid jetting apparatus Hitoshi Matsumoto, Masahisa Nawano 2019-06-04
10046569 Cartridge, cartridge unit and liquid ejection system Hiroyuki Nakamura, Ayumi Yoshida 2018-08-14
9981494 Waste liquid container Hirokazu Ono 2018-05-29
D817392 Ink cartridge Koji Kawai, Manabu Akahane, Yusuke Kimura 2018-05-08
9776417 Cartridge and liquid ejection apparatus Hiroyuki Nakamura 2017-10-03
9731541 Label, adhesive label, and printed product Miho Minamikawa, Hideki Ochiai, Satoshi Gocho, Masaru Takahashi, Takakazu Fukano 2017-08-15
9643422 Cartridge, cartridge unit and liquid ejection system Hiroyuki Nakamura, Ayumi Yoshida 2017-05-09
9643419 Adaptor 2017-05-09
9616671 Cartridge Masaru Kumagai, Hitoshi Matsumoto 2017-04-11
9555634 Printing material receptacle, label, and printing apparatus Akihito Matsumoto, Takeshi Iwamuro, Masaru Takahashi 2017-01-31
9555637 Cartridge and liquid supplying method Masaru Kumagai, Masaru Kobashi 2017-01-31
9393793 Liquid ejecting apparatus Hiroyuki Nakamura, Ayumi Yoshida 2016-07-19
9221292 Label, adhesive label, and printed product Satoshi Gocho, Atsushi Kijima, Masaru Takahashi, Takakazu Fukano 2015-12-29
8870349 Adaptor 2014-10-28
8857949 Liquid ejecting apparatus and maintenance method for a liquid ejecting apparatus Takeo Seino, Taisuke Yamamoto, Shuhei Harada, Naoyoshi Hashimoto 2014-10-14
8646888 Cartridge and printing apparatus Satoshi Gocho, Atsushi Kijima, Yoshihiro Nakamura, Akihito Matsumoto, Takeshi Iwamuro +3 more 2014-02-11
8585194 Cartridge and printing apparatus Miho Minamikawa, Hideki Ochiai, Satoshi Gocho, Yoshihiro Nakamura, Akihito Matsumoto +4 more 2013-11-19
D689925 Ink cartridge Takumi Nagashima, Ryota Takahashi 2013-09-17
8430485 Liquid ejecting apparatus 2013-04-30
8235511 Liquid ejecting apparatus 2012-08-07
8231209 Liquid jetting system, liquid container, holder, and liquid jetting apparatus having holder Takeshi Iwamuro, Hitoshi Matsumoto, Hitotoshi Kimura 2012-07-31
D656540 Ink cartridge Shun Oya 2012-03-27
D656185 Ink cartridge Shun Oya 2012-03-20
D656186 Ink cartridge Shun Oya 2012-03-20