Issued Patents All Time
Showing 25 most recent of 139 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10882314 | Liquid ejection head, method for producing liquid ejection head, and liquid ejection apparatus | Mineo Shimotsusa, Shinya Iwahashi, Sadayoshi Sakuma | 2021-01-05 |
| 10884615 | Inspection assistance device, inspection assistance method, and program | Koki Tateishi, Makoto Tanaka, Tadakuni Nishio | 2021-01-05 |
| 9971980 | Standard work time updating method and system | Yosuke Fujitomi, Shigemi Yamane | 2018-05-15 |
| 9868283 | Liquid discharge head cleaning method and liquid discharge apparatus | Yoshinori Misumi, Maki Kato, Yuzuru Ishida, Akio Goto, Norihiro Yoshinari +1 more | 2018-01-16 |
| 9816195 | Reproduction method of liquid ejecting head | Kenji Takahashi, Sadayoshi Sakuma, Yuzuru Ishida, Maki Kato, Norihiro Yoshinari | 2017-11-14 |
| 9682552 | Liquid ejection head, method of cleaning the same, and recording apparatus | Maki Kato, Yoshinori Misumi, Takahiro Matsui, Yuzuru Ishida, Norihiro Yoshinari +2 more | 2017-06-20 |
| 9498956 | Liquid ejection head, method for cleaning the head, recording apparatus provided with the head | Maki Kato, Takahiro Matsui, Yuzuru Ishida, Kenji Takahashi, Norihiro Yoshinari +1 more | 2016-11-22 |
| 9421765 | Method of manufacturing liquid discharging head | Makoto Sakurai, Takahiro Matsui, Yuzuru Ishida | 2016-08-23 |
| 9346274 | Method for cleaning liquid ejection head | Yoshinori Misumi, Maki Kato, Yuzuru Ishida, Norihiro Yoshinari, Akio Goto +2 more | 2016-05-24 |
| 9308722 | Liquid ejection head and liquid ejection apparatus | Yuzuru Ishida, Sadayoshi Sakuma, Norihiro Yoshinari, Maki Kato, Kenji Takahashi +1 more | 2016-04-12 |
| 9120310 | Recording element substrate, method of manufacturing the recording element substrate, and liquid ejection head | Yuzuru Ishida, Hirokazu Komuro, Makoto Sakurai, Takahiro Matsui | 2015-09-01 |
| 9114612 | Liquid ejecting head, substrate for liquid ejecting head, and printing apparatus | Maki Kato, Takahiro Matsui, Nobuyuki Hirayama, Yuzuru Ishida, Kenji Takahashi +2 more | 2015-08-25 |
| 9090112 | Liquid discharge device and cleaning method for liquid discharge head | Sadayoshi Sakuma, Maki Kato, Yuzuru Ishida, Kenji Takahashi, Norihiro Yoshinari | 2015-07-28 |
| 9056461 | Method for driving liquid discharge head, liquid discharge head, and liquid discharge apparatus | Makoto Sakurai, Hirokazu Komuro, Yuzuru Ishida, Takeru Yasuda | 2015-06-16 |
| 9044948 | Liquid discharge head substrate, liquid discharge head, and method of manufacturing liquid discharge head substrate | Maki Kato, Takahiro Matsui | 2015-06-02 |
| 9004650 | Liquid discharge head, cleaning method for liquid discharge head, liquid discharge apparatus, and substrate for liquid discharge head | Toshiyasu Sakai, Yuzuru Ishida, Takahiro Matsui, Yoshinori Misumi, Maki Kato +2 more | 2015-04-14 |
| 8846162 | Manufacturing method for liquid-discharge head substrate | Makoto Sakurai, Takahiro Matsui, Yuzuru Ishida | 2014-09-30 |
| 8721050 | Liquid discharge head with protective layer and liquid discharge device | Yuzuru Ishida, Maki Kato, Kenji Takahashi | 2014-05-13 |
| 8646169 | Method of manufacturing liquid ejection head having protective layer containing a noble metal | Yuzuru Ishida, Takahiro Matsui | 2014-02-11 |
| 8491087 | Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head | Toshiyasu Sakai, Teruo Ozaki, Sakai Yokoyama, Takahiro Matsui, Takuya Hatsui +1 more | 2013-07-23 |
| 8449080 | Base for liquid discharge head, and liquid discharge head using the same | Kazuaki Shibata, Takahiro Matsui, Teruo Ozaki, Hirokazu Komuro | 2013-05-28 |
| 8173711 | Agent for relief or prevention of xerostomia | Kenji Fujii, Kazuya Hamada | 2012-05-08 |
| 8172371 | Liquid ejection head having protective layer containing a noble metal | Yuzuru Ishida, Takahiro Matsui | 2012-05-08 |
| 8129204 | Liquid discharge head substrate, liquid discharge head using the substrate, and manufacturing method therefor | Teruo Ozaki, Takahiro Matsui, Sakai Yokoyama, Takuya Hatsui, Kazuaki Shibata | 2012-03-06 |
| 8123330 | Circuit board for ink jet head, ink jet head having the same, method for cleaning the head and ink jet printing apparatus using the head | Toshiyasu Sakai, Teruo Ozaki, Sakai Yokoyama, Takahiro Matsui, Takuya Hatsui +1 more | 2012-02-28 |