Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8710117 | Crosslinked core/shell polymer particles | Takehiro Tsutsumi, Koji Azuma | 2014-04-29 |
| 7909446 | Water-based inks for ink-jet printing | Isao Tsuru, Koji Azuma, Masato Hoshi, Takehiro Tsutsumi | 2011-03-22 |
| 7741386 | Water-based ink for inkjet printing | Akira Umada, Koji Azuma, Nobuyuki Takizawa, Takehiro Tsutsumi | 2010-06-22 |
| 7625958 | Water dispersion for ink-jet printing | Koji Azuma, Takehiro Tsutsumi | 2009-12-01 |
| 7244774 | Aqueous dispersion for inkjet recording | Koji Azuma, Takehiro Tsutsumi | 2007-07-17 |
| 7112619 | Water-based ink | Makoto Sakakibara, Ryuma Mizushima, Kenji Kaida, Takehiro Tsutsumi | 2006-09-26 |
| 6440429 | Emulsified, water-in-oil type composition and skin cosmetic preparation | Makoto Torizuka, Hirohisa Suzuki, Kana Fujiwara, Takashi Oda, Katsuhiko Rindo | 2002-08-27 |