Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427781 | Liquid ejection head and liquid ejection apparatus | Naozumi Nabeshima, Kazuya Yoshii | 2025-09-30 |
| 12384159 | Liquid ejection head and liquid ejection apparatus | Kazuya Yoshii, Naozumi Nabeshima | 2025-08-12 |
| 12291038 | Liquid ejection apparatus and liquid ejection head | Koichi Kubo, Naozumi Nabeshima, Kazuya Yoshii | 2025-05-06 |
| 12280602 | Liquid ejection head and liquid ejection apparatus | Kenji Yabe, Naozumi Nabeshima, Koichi Kubo | 2025-04-22 |
| 12257851 | Liquid ejection head and liquid ejection apparatus | Manabu Ohara, Naozumi Nabeshima, Kazuya Yoshii | 2025-03-25 |
| 11613130 | Sealing member, method of manufacturing the same, pressure adjustment mechanism, liquid ejection head, and liquid ejection apparatus | Kazuya Yoshii | 2023-03-28 |
| 11584134 | Print head and printing apparatus | Noboru Shimoyama, Akira Kida, Tetsuji Kurata, Atsushi Kohnotoh | 2023-02-21 |
| 11520359 | Pressure control unit and liquid discharge device including pressure control unit | Kazuya Yoshii, Koichi Kubo, Naozumi Nabeshima | 2022-12-06 |
| 10870279 | Method of manufacturing liquid supply unit | Yukuo Yamaguchi, Toshiaki Hirosawa, Hiromasa Amma, Takuya Iwano, Noriyasu Nagai | 2020-12-22 |
| 10814637 | Print head and printing apparatus | Noboru Shimoyama, Akira Kida, Tetsuji Kurata, Atsushi Kohnotoh | 2020-10-27 |
| 10618284 | Sealing member, sealing mechanism, liquid ejection apparatus and method of manufacturing sealing mechanism | — | 2020-04-14 |
| 10569558 | Liquid ejection head and recording apparatus | Noriyasu Nagai, Koichi Kubo, Naozumi Nabeshima, Kazuya Yoshii | 2020-02-25 |
| 10538094 | Liquid ejection head | Koichi Kubo, Naozumi Nabeshima, Kazuya Yoshii, Noriyasu Nagai | 2020-01-21 |
| 10532574 | Method of manufacturing liquid ejecting head, and liquid ejecting head | Takuya Iwano, Yukuo Yamaguchi, Toshiaki Hirosawa, Hiromasa Amma, Noriyasu Nagai | 2020-01-14 |
| 10525711 | Method of manufacturing liquid ejecting head | Hiromasa Amma, Yukuo Yamaguchi, Toshiaki Hirosawa, Takuya Iwano, Noriyasu Nagai | 2020-01-07 |
| D869550 | Nozzle cap for ink bottle for printer | Kazuya Yoshii, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +8 more | 2019-12-10 |
| 10486424 | Liquid ejection head and liquid ejection apparatus | Naozumi Nabeshima, Koichi Kubo, Kazuya Yoshii, Noriyasu Nagai | 2019-11-26 |
| 10479101 | Liquid ejection head and recording apparatus | Genji Inada, Naozumi Nabeshima, Noriyasu Nagai, Takuya Iwano | 2019-11-19 |
| 10207511 | Ink cartridge and ink jet printer | Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +7 more | 2019-02-19 |
| D816158 | Ink bottle for printer | Kazuya Yoshii, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +8 more | 2018-04-24 |
| 9908338 | Liquid storage bottle, liquid storage bottle package, and method of manufacturing liquid storage bottle package | Hiroshi Koshikawa, Yasuo Kotaki, Kenta Udagawa, Wataru Takahashi, Koichi Kubo +3 more | 2018-03-06 |
| 9840082 | Ink cartridge and ink jet printer | Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +7 more | 2017-12-12 |
| 9821562 | Ink cartridge and ink jet printer | Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +7 more | 2017-11-21 |
| 9597884 | Ink cartridge and ink jet printer | Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +7 more | 2017-03-21 |
| D767673 | Ink tank for printer | Tatsuo Nanjo, Yasuo Kotaki, Kenta Udagawa, Hiroshi Koshikawa, Wataru Takahashi +6 more | 2016-09-27 |