Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9802430 | Ink discharge unit and unit assembling method | — | 2017-10-31 |
| 9643402 | Method for printing metal-tone printed matter and metal-tone printed matter | — | 2017-05-09 |
| 9266343 | Ink pack | — | 2016-02-23 |
| 8979243 | Inkjet printing apparatus, clogged nozzle recovering method and clogged nozzle recovery program | — | 2015-03-17 |
| 8939564 | Damper apparatus and ink jet printer | — | 2015-01-27 |
| 8919918 | Inkjet printing apparatus and clogged nozzle recovering method | Seiichi Yokoyama | 2014-12-30 |
| 8721060 | Liquid circulation system | Seiichi Yokoyama | 2014-05-13 |
| 8608300 | Liquid circulation system and ink-jet printer | Seiichi Yokoyama | 2013-12-17 |