Issued Patents All Time
Showing 1–25 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11499062 | Ink, ink set, ink container, image forming method, and image forming apparatus | Hiroshi Gotou, Yoshiaki Masuda, Masahiko Ishikawa, Masaki Kudo, Kazuhiko Umemura +3 more | 2022-11-15 |
| 11274221 | Ink, ink set, ink container, image forming method, image forming apparatus and recorded matter | Kazuhiko Umemura, Yuuki Yokohama, Amika Sagara, Masaki Kudo, Mayumi Yoshihara +1 more | 2022-03-15 |
| 11059983 | Ink, ink container, inkjet recording device, and recording method | Yuuki Yokohama, Amika Sagara, Masaki Kudo, Kazuhiko Umemura, Yukihiro Imanaga +1 more | 2021-07-13 |
| 10844235 | Ink, method of manufacturing ink, and ink cartridge | Yuusuke Koizuka, Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada, Yoshiki Yanagawa +3 more | 2020-11-24 |
| 10836171 | Ink and cleaning liquid set, inkjet printing device, inkjet printing method, and method of cleaning nozzle surface of inkjet discharging head | Amika Sagara, Yuuki Yokohama, Masaki Kudo, Yuusuke Koizuka, Koichiro Oyama | 2020-11-17 |
| 10370548 | Copolymer, ink including copolymer, and ink-stored container | Shigeyuki Harada, Yoshiki Yanagawa, Masayuki Fukuoka, Takuya Yamazaki, Kazukiyo Nagai +3 more | 2019-08-06 |
| 10280321 | Ink, ink container, inkjet recording device, and recorded matter | Hiroshi Gotou, Michihiko Namba, Hidetoshi Fujii, Amika Sagara, Kazukiyo Nagai +7 more | 2019-05-07 |
| 10273373 | Ink and method for producing same, and ink stored container, printing method, and printing apparatus | Yuusuke Koizuka, Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada, Koichiro Oyama +3 more | 2019-04-30 |
| 10233341 | Ink, method of manufacturing ink, and ink cartridge | Yuusuke Koizuka, Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada, Yoshiki Yanagawa +3 more | 2019-03-19 |
| 10113078 | Ink discharge device and ink discharge method | Keita Katoh, Hiroshi Gotou, Takahiro Yoshida, Masahiko Ishikawa, Yoshiki Yanagawa | 2018-10-30 |
| 10000656 | Ink, recorded matter, ink container, recording device, and recording method | Yoshiki Yanagawa, Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada, Akiyoshi Sabu +3 more | 2018-06-19 |
| 9988543 | Ink, ink stored container, inkjet recording apparatus, and recorded matter | Shigeyuki Harada, Yoshiki Yanagawa, Masayuki Fukuoka, Takuya Yamazaki, Kazukiyo Nagai +3 more | 2018-06-05 |
| 9896530 | Copolymer, coloring material dispersion, ink, and ink store container | Shigeyuki Harada, Kazukiyo Nagai, Yuusuke Koizuka, Tomoyuki Shimada, Takuya Yamazaki +3 more | 2018-02-20 |
| 9850391 | Ink, ink stored container, inkjet printing method, and inkjet printing device | Masayuki Fukuoka, Shigeyuki Harada, Yoshiki Yanagawa, Takuya Yamazaki, Kazukiyo Nagai +3 more | 2017-12-26 |
| 9850335 | Copolymer, aqueous ink, and ink cartridge | Shigeyuki Harada, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai, Yuusuke Koizuka +4 more | 2017-12-26 |
| 9777091 | Copolymer, ink, and ink container | Masayuki Fukuoka, Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Kazukiyo Nagai +4 more | 2017-10-03 |
| 9752037 | Inkjet recording ink, ink cartridge, inkjet recording method, inkjet recording device and ink recorded matter | Minoru Hakiri, Mitsuru Naruse, Masayasu Nonogaki, Keita Katoh, Kazukiyo Nagai +3 more | 2017-09-05 |
| 9688871 | Inkjet recording ink and ink cartridge using the ink, inkjet recording apparatus, inkjet recording method and ink recording matter | Masayasu Nonogaki, Keita Katoh, Minoru Hakiri, Mitsuru Naruse, Kazukiyo Nagai +4 more | 2017-06-27 |
| 9617439 | Ink composition, ink cartridge, ink recording device, and recorded matter | Shigeyuki Harada, Keita Katoh, Masayuki Fukuoka, Mitsuru Naruse, Kazukiyo Nagai +2 more | 2017-04-11 |
| 9597891 | Inkjet ink, method of manufacturing inkjet ink, ink cartridge, and inkjet recording device | Masayasu Nonogaki, Mitsuru Naruse, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka | 2017-03-21 |
| 9441129 | Ink for inkjet recording, ink container, and inkjet recording device | Keita Katoh, Mitsuru Naruse, Masayasu Nonogaki, Kazukiyo Nagai, Yuusuke Koizuka | 2016-09-13 |
| 9359522 | Ink composition, ink cartridge, inkjet recording device, and inkjet printed matter | Mitsuru Naruse, Masayasu Nonogaki, Keita Katoh, Kazukiyo Nagai, Yuusuke Koizuka | 2016-06-07 |
| 9321926 | Ink for inkjet recording, ink cartridge, and ink-recorded matter | Keita Katoh, Shigeyuki Harada, Masayuki Fukuoka, Mitsuru Naruse, Masayasu Nonogaki +2 more | 2016-04-26 |
| 9315684 | Ink composition, inkjet recording method, and printed matter | — | 2016-04-19 |
| 9309427 | Ink composition, ink cartridge, inkjet recording device, and inkjet printed matter | Mitsuru Naruse, Masayasu Nonogaki, Kazukiyo Nagai, Keita Katoh, Yuusuke Koizuka | 2016-04-12 |