Issued Patents All Time
Showing 1–25 of 103 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351725 | Ink set, water-based maintenance fluid, cleaning method, image forming system, and image forming method | — | 2025-07-08 |
| 12030316 | Cleaning liquid, set, ink-jet recording apparatus and cleaning method | Taro Nagano, Hirofumi Kuriki | 2024-07-09 |
| 11897265 | Cleaning liquid, set, ink-jet recording apparatus and cleaning method | Taro Nagano, Hirofumi Kuriki | 2024-02-13 |
| 8746866 | Ink set, ink-jet recording apparatus, and ink-jet recording method | Hiromitsu Sago, Masashi Tsuda, Kazuma Goto, Akihiko Taniguchi, Narumi Koga +1 more | 2014-06-10 |
| 8591018 | Ink set and ink-jet recording method | Kazuma Goto, Akihiko Taniguchi, Masashi Tsuda, Hiromitsu Sago, Narumi Koga +1 more | 2013-11-26 |
| 8349064 | Water-based ink for ink jet recording | Michiko Aoyama, Narumi Koga, Masashi Tsuda, Hiromitsu Sago, Kazuma Goto +1 more | 2013-01-08 |
| 8328922 | Postal blue ink with high reliability | Judith D. Auslander, Richard A. Bernard, Akihiko Taniguchi, Noriatsu Aoi | 2012-12-11 |
| 8328927 | Water-based ink for ink jet recording | Michiko Aoyama, Narumi Koga, Masashi Tsuda, Hiromitsu Sago, Kazuma Goto +1 more | 2012-12-11 |
| 7972425 | Postal blue ink with improved durability | Judith D. Auslander, Richard A. Bernard, Akihiko Taniguchi, Noriatsu Aoi | 2011-07-05 |
| 7780285 | Water base ink for ink-jet recording and ink-jet printer accomodating same | Narumi Koga, Masaya Fujioka, Kazuma Goto, Mayuko Okada, Tatsunosuke Hoshi +4 more | 2010-08-24 |
| 7753999 | Water based ink for ink jet recording and ink jet recording method | Junichiro Sugimoto, Masashi Tsuda, Ryuji Kato, Narumi Koga, Masaya Fujioka | 2010-07-13 |
| 7727321 | Magenta ink for ink-jet recording | Kazuma Goto, Tomoyo Hamajima, Narumi Koga, Satoshi Okuda | 2010-06-01 |
| 7713343 | Ink set for ink-jet recording | Kazuma Goto, Narumi Koga, Satoshi Okuda, Tomoyo Hamajima, Yasuhiro Taga | 2010-05-11 |
| 7690762 | Water base ink for ink-jet recording | Hideo Ohira, Hiromitsu Sago, Kazuma Goto, Narumi Koga, Masaya Fujioka | 2010-04-06 |
| 7686444 | Water-based ink for ink-jet recording and ink-jet recording method | Junichiro Sugimoto, Masashi Tsuda, Ryuji Kato, Narumi Koga, Masaya Fujioka | 2010-03-30 |
| 7674329 | Water-based ink set for ink-jet recording | Narumi Koga, Masaya Fujioka, Kazuma Goto | 2010-03-09 |
| 7637993 | Water base ink for ink-jet recording | Noriatsu Aoi, Akihiko Taniguchi, Ryuji Kato, Hideo Ohira, Masaya Fujioka | 2009-12-29 |
| 7553361 | Water base ink for ink-jet recording | Noriatsu Aoi, Akihiko Taniguchi, Ryuji Kato, Hideo Ohira, Masaya Fujioka | 2009-06-30 |
| 7527685 | Ink for ink-jet recording | Akihiko Taniguchi, Kazuma Goto, Masaya Fujioka | 2009-05-05 |
| 7465345 | Ink-jet ink set | Satoshi Okuda, Ryuji Kato, Tatsuyoshi Nagase | 2008-12-16 |
| 7425233 | Cyan ink for ink-jet recording | Tomoyo Hamajima, Kazuma Goto, Narumi Koga, Yasuhiro Taga | 2008-09-16 |
| 7425592 | Water-based ink for ink jetting and ink jet recording method | Masaya Fujioka | 2008-09-16 |
| 7416590 | Water-based ink set for ink-jet recording | Junichiro Sugimoto, Masaya Fuijoka, Ryuji Kato, Narumi Koga | 2008-08-26 |
| 7414083 | Ink for ink-jet recording | Mayuko Okada, Masaya Fujioka | 2008-08-19 |
| 7407537 | Ink set for ink-jet recording, method for producing the same, and the ink-jet printer | Hideo Ohira, Ryuji Kato, Akihiko Taniguchi, Noriatsu Aoi, Masaya Fujioka | 2008-08-05 |