Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8480219 | Ink cartridge and ink-jet recording apparatus | Kazuma Goto | 2013-07-09 |
| 8328922 | Postal blue ink with high reliability | Judith D. Auslander, Richard A. Bernard, Shunichi Higashiyama, Akihiko Taniguchi | 2012-12-11 |
| 7972425 | Postal blue ink with improved durability | Judith D. Auslander, Richard A. Bernard, Shunichi Higashiyama, Akihiko Taniguchi | 2011-07-05 |
| 7637993 | Water base ink for ink-jet recording | Akihiko Taniguchi, Ryuji Kato, Hideo Ohira, Masaya Fujioka, Shunichi Higashiyama | 2009-12-29 |
| 7553361 | Water base ink for ink-jet recording | Akihiko Taniguchi, Ryuji Kato, Hideo Ohira, Masaya Fujioka, Shunichi Higashiyama | 2009-06-30 |
| 7407537 | Ink set for ink-jet recording, method for producing the same, and the ink-jet printer | Hideo Ohira, Ryuji Kato, Akihiko Taniguchi, Masaya Fujioka, Shunichi Higashiyama | 2008-08-05 |
| 7384460 | Water-based ink set for ink-jet recording and ink-jet recording method | Tomoyo Hamajima, Masaya Fujioka, Ryuji Kato, Narumi Koga, Narumi Kawai +1 more | 2008-06-10 |
| 7384461 | Water-based ink set for ink-jet recording and ink-jet recording method | Narumi Kawai, Narumi Koga, Masaya Fujioka, Ryuji Kato, Tomoyo Hamajima +1 more | 2008-06-10 |
| 7357832 | Water base pigment ink for ink-jet recording, ink cartridge accommodating the same, and ink-jet recording method | Ryuji Kato, Hideo Ohira, Tomoyo Hamajima, Masaya Fujioka | 2008-04-15 |
| 7244296 | Water based ink set for ink-jet recording and inkjet recording method | Ryuji Kato, Narumi Kawai, Tomoyo Hamajima, Masaya Fujioka, Narumi Koga | 2007-07-17 |
| 7244297 | Water based ink set for ink-jet recording and inkjet recording method | Ryuji Kato, Narumi Kawai, Tomoyo Hamajima, Masaya Fujioka | 2007-07-17 |
| 7073900 | Water base ink for ink-jet recording | Akihiko Taniguchi, Masaya Fujioka, Shunichi Higashiyama | 2006-07-11 |
| 6893491 | Water base ink for ink-jet recording | Hideto Yamazaki, Yoshito Toyoda, Masashi Tsuda | 2005-05-17 |