Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9315683 | Ink, ink cartridge, and ink jet recording method | Masashi Ogasawara, Keigo Gouda, Fumiaki Fujioka, Akiko Yasuda | 2016-04-19 |
| 9174448 | Ink jet recording apparatus and ink jet recording method | Otome Yamashita | 2015-11-03 |
| 8985755 | Ink, ink cartridge, and ink jet recording method | Fumiaki Fujioka, Masashi Ogasawara, Keigo Gouda, Akiko Yasuda | 2015-03-24 |
| 8987348 | Ink jet ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Fumihiko Mukae, Masashi Ogasawara, Shuichi Okazaki, Shin-ichi Hakamada, Yoshio Nakajima | 2015-03-24 |
| 8491715 | Ink, ink cartridge and ink jet recording method | Keigo Gouda, Masashi Ogasawara, Tomonari Watanabe, Fumiaki Fujioka, Akiko Yasuda | 2013-07-23 |
| 8475580 | Ink, ink cartridge, ink jet recording method and ink jet recording apparatus | Masashi Ogasawara, Keigo Gouda, Fumiaki Fujioka, Akiko Yasuda | 2013-07-02 |
| 8025384 | Reaction liquid, set of ink and reaction liquid, ink jet recording apparatus and image recording method | Masashi Ogasawara, Tetsu Iwata, Shuichiro Tanimoto | 2011-09-27 |
| 7814918 | Apparatus for cleaning inkjet head and cleaning method thereof | Mikio Sanada, Nobuyuki Matsumoto, Noribumi Koitabashi | 2010-10-19 |