Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10844235 | Ink, method of manufacturing ink, and ink cartridge | Yuusuke Koizuka, Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada, Akihiko Matsuyama +3 more | 2020-11-24 |
| 10370548 | Copolymer, ink including copolymer, and ink-stored container | Shigeyuki Harada, Akihiko Matsuyama, Yoshiki Yanagawa, Masayuki Fukuoka, Takuya Yamazaki +3 more | 2019-08-06 |
| 10280321 | Ink, ink container, inkjet recording device, and recorded matter | Akihiko Matsuyama, Hiroshi Gotou, Michihiko Namba, Hidetoshi Fujii, Amika Sagara +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, Akihiko Matsuyama +3 more | 2019-03-19 |
| 10035869 | Copolymer, aqueous ink, and ink cartridge | Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai +2 more | 2018-07-31 |
| 10000656 | Ink, recorded matter, ink container, recording device, and recording method | Yoshiki Yanagawa, Akihiko Matsuyama, Kazukiyo Nagai, Tomoyuki Shimada, Shigeyuki Harada +3 more | 2018-06-19 |
| 9988543 | Ink, ink stored container, inkjet recording apparatus, and recorded matter | Akihiko Matsuyama, Shigeyuki Harada, Yoshiki Yanagawa, Masayuki Fukuoka, Takuya Yamazaki +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 |
| 9850335 | Copolymer, aqueous ink, and ink cartridge | Shigeyuki Harada, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai, Yuusuke Koizuka +4 more | 2017-12-26 |
| 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 |
| 9777091 | Copolymer, ink, and ink container | Masayuki Fukuoka, Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Kazukiyo Nagai +4 more | 2017-10-03 |
| 9400439 | Toner, developer, and image forming apparatus | Kousuke Nagata, Masahide Yamada, Shinya Nakayama, Tatsuya Morita, Takamasa Hase +2 more | 2016-07-26 |
| 9365670 | Copolymer, aqueous ink, and ink cartridge | Shigeyuki Harada, Yoshiki Yanagawa, Keita Katoh, Masayuki Fukuoka, Kazukiyo Nagai +2 more | 2016-06-14 |
| 9353274 | Ink, ink cartridge, inkjet recording device, and copolymer | Keita Katoh, Shigeyuki Harada, Yoshiki Yanagawa, Masayuki Fukuoka, Kazukiyo Nagai +2 more | 2016-05-31 |
| 9141013 | Electrophotographic toner, developer containing the toner, and image forming apparatus | Yoshihiro Moriya, Masahide Yamada, Taichi Nemoto, Yukiko Nakajima, Yoshitaka Yamauchi +3 more | 2015-09-22 |
| 9127118 | Resin for toner, toner using the resin, and development agent using the toner | Hideyuki Santo, Shinya Nakayama, Atsushi Yamamoto, Yoshihiro Moriya, Daisuke Asahina +6 more | 2015-09-08 |
| 9128397 | Resin for use in toner, toner using the resin, developer using the toner, image forming apparatus and method using the toner, and method of manufacturing resin | Yukiko Nakajima, Masahide Yamada, Taichi Nemoto, Yoshihiro Moriya, Yoshitaka Yamauchi +2 more | 2015-09-08 |
| 9005859 | Colorless transparent toner, toner set, development agent, image forming apparatus, and printed matter | Shinya Nakayama, Atsushi Yamamoto, Yukiko Nakajima, Hideyuki Santo | 2015-04-14 |
| 8932790 | Toner, developer including the toner, image forming apparatus using the toner, and block copolymer | Yoshitaka Yamauchi, Masahide Yamada, Yoshihiro Moriya, Taichi Nemoto, Yukiko Nakajima +3 more | 2015-01-13 |
| 8877415 | Toner, method of manufacturing toner, developer, toner container, image forming method, and process cartridge | Daiki Yamashita, Shinya Nakayama, Atsushi Yamamoto, Yukiko Nakajima, Yoshihiro Moriya +1 more | 2014-11-04 |
| 8865384 | Electrophotographic toner, developer, and image forming apparatus | Masahide Yamada, Shinya Nakayama, Atsushi Yamamoto, Hideyuki Santo, Shingo Sakashita +2 more | 2014-10-21 |
| 8828635 | Toner, developer, process cartridge, and image forming apparatus | Yoshihiro Moriya, Shinya Nakayama, Atsushi Yamamoto, Hideyuki Santo, Yukiko Nakajima +1 more | 2014-09-09 |
| 8741520 | Image forming toner, image forming apparatus, image forming method, and process cartridge | Toyoshi Sawada, Akihiro Kotsugai | 2014-06-03 |
| 8735040 | Toner, developer, and image forming apparatus | Suzuka Amemori, Masahide Yamada, Yoshihiro Moriya, Taichi Nemoto, Yukiko Nakajima +3 more | 2014-05-27 |