Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513613 | C.I. pigment yellow 155 and process for preparing the same, pigment composition and colorant composition containing the pigment, and use thereof as colorant | Daisuke Harada | 2019-12-24 |
| 7533978 | Color composition and inkjet recording method | Toshiki Fujiwara, Takashi Ozawa, Yoshiharu Yabuki | 2009-05-19 |
| 7465344 | Ink for ink jet recording comprising print density improver, print density improver and method for improving print density | Takashi Ozawa | 2008-12-16 |
| 7431760 | Ink and ink-jet recording ink | Toshiki Fujiwara, Masaru Takasaki | 2008-10-07 |
| 7303272 | Black ink for inkjet recording and inkjet recording method | Toshiki Taguchi, Takashi Ozawa, Toshiaki Aono, Yoshiharu Yabuki | 2007-12-04 |
| 7281788 | Ink for inkjet recording, ink set for inkjet recording and inkjet recording method | Yoshiharu Yabuki, Toshiki Fujiwara, Toru Harada | 2007-10-16 |
| 7250079 | Coloring composition and inkjet recording method | Toshiki Fujiwara, Masaru Takasaki | 2007-07-31 |
| 7192475 | Aqueous ink | Masaru Takasaki, Toshiki Fujiwara | 2007-03-20 |
| 7186292 | Inkjet ink, inkjet recording method and color toner composition | Yoshiharu Yabuki, Toshiki Fujiwara | 2007-03-06 |
| 7083670 | Aqueous ink and inkjet recording ink | Masaru Takasaki, Toshiki Fujiwara | 2006-08-01 |
| 7037365 | Ink set, ink cartridge, ink jet printer and recording method | Toshiki Taguchi, Yoshiharu Yabuki, Naotaka Wachi | 2006-05-02 |
| 6827770 | Metal chelated dyestuff for inkjet recording, aqueous inkjet recording liquid comprising same and inkjet recording method using same | Masahiro Yamada, Hideo Sano, Wataru Shimizu, Yuukichi Murata | 2004-12-07 |
| 6755903 | Metal chelated dyestuff for inkjet recording and aqueous inkjet recording liquid using the same | Masahiro Yamada, Tomio Yoneyama | 2004-06-29 |