Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10125284 | Aqueous ink, ink cartridge, and ink jet recording method | Keigo Gouda, Shin-ichi Hakamada, Hisao Kamo, Hitoshi Nagashima, Daiji Okamura +3 more | 2018-11-13 |
| 9243155 | Ink jet ink, ink cartridge, and ink jet recording method | Daiji Okamura, Kousuke Yamasaki, Kenji Moribe, Kenichi Shiiba, Hiromitsu Kishi | 2016-01-26 |
| 8690307 | Ink jet ink, ink cartridge, and ink jet recording method | Kenichi Shiiba, Daiji Okamura, Kousuke Yamasaki, Kenji Moribe, Hiromitsu Kishi | 2014-04-08 |
| 8684509 | Ink jet ink, ink cartridge, and ink jet recording method | Kousuke Yamasaki, Hiromitsu Kishi, Daiji Okamura, Kenji Moribe, Kenichi Shiiba | 2014-04-01 |
| 7060961 | Image sensing element and optical instrument having improved incident light use efficiency | Hideki Dobashi, Akihiko Nagano | 2006-06-13 |