Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12398284 | Aqueous ink, ink jet recording method and ink jet recording apparatus | Tomohiro Yamashita | 2025-08-26 |
| 11001066 | Ink jet recording method and ink jet recording apparatus | Maki Motomura, Kouhei Nakagawa, Ryota Takeuchi | 2021-05-11 |
| 10864747 | Ink jet recording method and ink jet recording apparatus | Kouhei Nakagawa, Yoshihide Aikawa, Hideyuki Saito | 2020-12-15 |
| 10843482 | Ink jet recording method and ink jet recording apparatus | Yoshihide Aikawa, Hideyuki Saito, Kouhei Nakagawa | 2020-11-24 |
| 10843483 | Ink jet recording method and ink jet recording apparatus | Hideyuki Saito, Kouhei Nakagawa, Yoshihide Aikawa | 2020-11-24 |
| 10723135 | Ink jet recording method and ink jet recording apparatus | Kouhei Nakagawa, Hideyuki Saito, Yoshihide Aikawa | 2020-07-28 |
| 10654288 | Ink jet recording method and ink jet recording apparatus | Eiichi Nakata | 2020-05-19 |
| 10603909 | Ink jet recording method and ink jet recording apparatus | Kouhei Nakagawa | 2020-03-31 |
| 10253200 | Aqueous ink, ink cartridge, and ink jet recording method | Hiroshi Kakikawa, Masashi Yamamoto | 2019-04-09 |
| 10233343 | Aqueous ink, ink cartridge, and ink jet recording method | Satoshi Takebayashi, Shuichi Okazaki, Yuko Nishiwaki, Hiroshi Kakikawa, Eriko Kawakita | 2019-03-19 |
| 9574099 | Ink set and ink jet recording method | Hiroshi Kakikawa, Satoshi Takebayashi | 2017-02-21 |
| 8871013 | Ink, ink cartridge and ink jet recording method | Junichi Sakai, Satoshi Kudo, Otome Yamashita, Takashi Saito | 2014-10-28 |
| 8814341 | Ink, ink cartridge and ink jet recording method | Ryosuke Nagao, Jun Yoshizawa, Hideki Yamakami, Kuniaki Fujimoto, Yukako Tamanuki +3 more | 2014-08-26 |
| 8602544 | Ink set, ink cartridge, ink jet recording method, and ink jet recording apparatus | Jun Yoshizawa | 2013-12-10 |
| 8343269 | Colorant compound | Kaoru Takahashi, Yasuaki Murai, Kei Inoue, Masashi Hirose, Takeshi Miyazaki +2 more | 2013-01-01 |
| 8070871 | Ink jet ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus | Hiroshi Tomioka, Kumiko Mafune, Hideki Yamakami, Satomi Yanagimachi | 2011-12-06 |
| 8025722 | Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Hiroshi Tomioka | 2011-09-27 |
| 7758156 | Image forming method, image forming apparatus, and ink jet recording apparatus | Hiroyuki Takuhara, Hiroshi Tomioka, Satomi Yanagimachi, Yuuki Nishino | 2010-07-20 |
| 7637603 | Pigment ink, ink set, ink jet recording method, ink cartridge, recording unit, ink jet recording apparatus, and image forming method | Hiroshi Tomioka, Hiroyuki Takuhara, Satomi Yanagimachi, Yuuki Nishino | 2009-12-29 |
| 7618484 | Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Kuniaki Fujimoto, Jun Yoshizawa, Daiji Okamura | 2009-11-17 |
| 7445666 | Ink jet ink, ink jet recording method, ink cartridge, ink set and image forming method | Satomi Yanagimachi, Hiroshi Tomioka, Hiroyuki Takuhara, Yuuki Nishino | 2008-11-04 |
| 7364770 | Coated fine particles and method for producing coated fine particles by reverse Diels-Alder reaction | Akira Nagashima, Takayuki Ishikawa, Sadayuki Sugama | 2008-04-29 |
| 7297194 | Ink jet ink and ink jet recording method | Kenji Shinjo, Koromo Shirota, Yutaka Kurabayashi | 2007-11-20 |
| 7244299 | Ink jet recording ink, ink jet recording method, ink cartridge, and ink jet recording apparatus | Itaru Tsuji, Shinichi Tochihara, Hiroshi Tomioka, Koichi Osumi, Hiroyuki Takuhara +1 more | 2007-07-17 |
| 7208033 | Ink, ink jet recording method, ink cartridge, and ink jet recording apparatus | Koichi Osumi, Shinichi Tochihara, Hiroshi Tomioka, Hiroyuki Takuhara, Hideki Yamakami +1 more | 2007-04-24 |