Issued Patents All Time
Showing 1–25 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420548 | Liquid ejection head and liquid ejection apparatus | — | 2025-09-23 |
| 12415354 | Liquid ejection head and ejection apparatus | Tatsurou Mori, Tomoki Tsuji | 2025-09-16 |
| 12384152 | Liquid ejection head and liquid ejection apparatus | Koji Tachibana, Shingo Okushima | 2025-08-12 |
| 12275246 | Liquid ejection head and liquid ejection apparatus | Tomoki Tsuji, Hiromasa Amma, Shingo Okushima | 2025-04-15 |
| 12115787 | Liquid ejection head and method of manufacturing liquid ejection head | Shogo Kawamura | 2024-10-15 |
| 12090758 | Liquid ejection head and liquid ejection apparatus | Satoshi Kimura, Hiromasa Amma, Shingo Okushima | 2024-09-17 |
| 11964486 | Liquid ejection head | — | 2024-04-23 |
| 11807003 | Liquid ejection head and manufacturing method thereof | Tatsurou Mori | 2023-11-07 |
| 11685089 | Manufacturing method of liquid ejection head | Yukuo Yamaguchi, Toshiaki Hirosawa, Hiromasa Amma | 2023-06-27 |
| 11020887 | Resin molding method | Satoshi Oikawa, Yukuo Yamaguchi, Mikiya Umeyama, Hiromasa Amma, Satoshi Kimura +3 more | 2021-06-01 |
| 10994542 | Inkjet printing apparatus | Tetsuji Kurata, Hiromasa Amma | 2021-05-04 |
| 10926441 | Liquid supply member and manufacturing method of liquid supply member | Naoko Tsujiuchi, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma +3 more | 2021-02-23 |
| 10906221 | Manufacturing method of liquid supply member | Naoko Tsujiuchi, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma +3 more | 2021-02-02 |
| 10870279 | Method of manufacturing liquid supply unit | Soji Kondo, Yukuo Yamaguchi, Toshiaki Hirosawa, Hiromasa Amma, Noriyasu Nagai | 2020-12-22 |
| 10828812 | Molded part, manufacturing method of molded part and mold | Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma, Satoshi Kimura +3 more | 2020-11-10 |
| 10654269 | Liquid ejection head | Shin Ishimatsu, Toshiaki Hirosawa, Genji Inada, Hiromasa Amma, Shogo Kawamura +1 more | 2020-05-19 |
| 10618327 | Liquid ejection head unit and liquid ejection apparatus | Toshiaki Hirosawa, Hiromasa Amma, Tomoki Tsuji, Akira Kida, Tetsuji Kurata +1 more | 2020-04-14 |
| 10589531 | Liquid ejection head and liquid ejection apparatus | Shogo Kawamura | 2020-03-17 |
| 10538084 | Ink ejection head | Takuma Kodoi, Takamitsu Tokuda | 2020-01-21 |
| 10532574 | Method of manufacturing liquid ejecting head, and liquid ejecting head | Yukuo Yamaguchi, Toshiaki Hirosawa, Hiromasa Amma, Soji Kondo, Noriyasu Nagai | 2020-01-14 |
| 10525711 | Method of manufacturing liquid ejecting head | Hiromasa Amma, Yukuo Yamaguchi, Toshiaki Hirosawa, Soji Kondo, Noriyasu Nagai | 2020-01-07 |
| 10513069 | Method for manufacturing liquid supply member | Satoshi Oikawa, Yukuo Yamaguchi, Mikiya Umeyama, Hiromasa Amma, Satoshi Kimura +3 more | 2019-12-24 |
| 10507644 | Liquid ejecting head | Shogo Kawamura, Toshiaki Hirosawa, Genji Inada, Hiromasa Amma, Yasuhiko Osaki +1 more | 2019-12-17 |
| 10479101 | Liquid ejection head and recording apparatus | Genji Inada, Naozumi Nabeshima, Soji Kondo, Noriyasu Nagai | 2019-11-19 |
| 10471719 | Manufacturing method of liquid supply component | Kyosuke Toda, Yukuo Yamaguchi, Mikiya Umeyama, Satoshi Oikawa, Hiromasa Amma +3 more | 2019-11-12 |