Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12389177 | Information processing device and information processing program | Kenichi Komiya | 2025-08-12 |
| 10611169 | Diaphragm pump, liquid circulation module and liquid discharge apparatus | — | 2020-04-07 |
| 10343414 | Liquid circulation device, liquid discharge device and liquid discharge method | Hiroyuki Ishikawa | 2019-07-09 |
| 10272692 | Liquid circulation device, liquid ejection apparatus, and liquid ejection method | Kazuhiro Hara | 2019-04-30 |
| 10239325 | Liquid circulation device, liquid discharge device and liquid discharge method | Hiroyuki Ishikawa | 2019-03-26 |
| 10160223 | Ink circulation device for ink jet head | Yoshiaki Kaneko, Kazuhiro Hara, Taiki Goto | 2018-12-25 |
| 10065428 | Liquid circulation module and liquid ejection apparatus | Kazuhiro Hara | 2018-09-04 |
| RE46980 | Inkjet recording apparatus and recording method by the same usable with recycled paper | Atsushi Kubota | 2018-08-07 |
| 10022978 | Ink circulation device and ink jet recording apparatus | Kazuhiro Hara | 2018-07-17 |
| 9987853 | Liquid circulation device, liquid discharge device and liquid discharge method | Hiroyuki Ishikawa | 2018-06-05 |
| 9878535 | Ink circulation device and printer | Yoshiaki Kaneko, Shinichiro Hida, Tetsuya Sato, Kazuhiro Hara, Hiroyuki Ishikawa | 2018-01-30 |
| 9827778 | Ink circulation device and ink ejection device | Hiroyuki Ishikawa | 2017-11-28 |
| 9694595 | Liquid circulation device, liquid discharge device and control method for the same | Kazuhiro Hara, Yasushi Kuribayashi, Yoshiaki Kaneko, Hiroyuki Ishikawa | 2017-07-04 |
| 9649849 | Ink circulation device and ink jet recording apparatus | Kazuhiro Hara | 2017-05-16 |
| RE46252 | Inkjet recording apparatus and recording method by the same | Atsushi Kubota | 2016-12-27 |
| 9033441 | Ink-jet printer and control method for ink-jet printer | Atsushi Kubota | 2015-05-19 |
| 8459770 | Inkjet recording apparatus and recording method by the same usable with recycled paper | Atsushi Kubota | 2013-06-11 |
| 8235494 | Image forming apparatus and ejection liquid circulating method | Satoshi Kaiho, Masaki Hiroki, Atsushi Kubota, Takashi Kado, Nobuaki Takahashi | 2012-08-07 |
| 7926932 | Image forming apparatus and printing control method | Atsushi Kubota, Masashi Hiroki, Satoshi Kaiho, Takashi Kado | 2011-04-19 |
| 7896484 | Ink jet recording apparatus | Masashi Hiroki, Yoshito Endo, Toru Ushirogouchi, Ryozo Akiyama | 2011-03-01 |
| 7858670 | Photosensitive inkjet ink | Ryozo Akiyama, Hiroshi Kiyomoto, Yukiko Kawakami, Toru Ushirogouchi, Mitsuru Ishibashi | 2010-12-28 |
| 7803851 | Inkjet ink | Mitsuru Ishibashi, Toru Ushirogouchi, Hiroshi Kiyomoto, Ryozo Akiyama, Yukiko Kawakami +1 more | 2010-09-28 |
| 7754785 | Pigment dispersion, precursor of ink for UV-curing type ink-jet recording, method of ink-jet recording, printed matter, and method of manufacturing pigment dispersion | Toru Ushirogouchi, Ryozo Akiyama, Masashi Hiroki, Mitsuru Ishibashi | 2010-07-13 |
| 7579390 | Inkjet ink composition and printed matters created using inkjet ink composition | Toru Ushirogouchi, Mitsuru Ishibashi, Ryozo Akiyama, Masahi Hiroki | 2009-08-25 |
| 7500745 | Liquid ink and recording apparatus | Toru Ushirogouchi, Chiaki Tanuma, Ryozo Akiyama, Masashi Hiroki, Yoshito Endo | 2009-03-10 |