Issued Patents All Time
Showing 26–50 of 144 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11318748 | Liquid supply system and liquid container | Taku Ishizawa | 2022-05-03 |
| 11305549 | Container | Taku Ishizawa, Takuma OZAWA | 2022-04-19 |
| 11298952 | Printing system | Taku Ishizawa, Ryoichi Tanaka | 2022-04-12 |
| 11298947 | Ink container | Yoshiaki Shimizu, Taku Ishizawa | 2022-04-12 |
| 11269574 | Image forming apparatus executes image formation process using spot and process colors, when high quality printing function is selected | Taku Ishizawa | 2022-03-08 |
| 11192380 | Ink bottle and bottle set | Taku Ishizawa, Ryoichi Tanaka, Manabu Akahane, Koichi Toba, Takumi Nagashima +3 more | 2021-12-07 |
| 11179944 | Ink refill container, ink refill system, and ink refill adapter | Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura, Hideki Okumura +3 more | 2021-11-23 |
| 11117379 | Ink replenish container | Noriyuki Fukasawa, Taku Ishizawa, Tadashi Watanabe, Ryoichi Tanaka | 2021-09-14 |
| 11097549 | Liquid container | Takumi Nagashima, Hiroyuki Kawate, Yoshiaki Shimizu, Akihiro Toya, Tetsuya Takamoto +2 more | 2021-08-24 |
| 11072180 | Ink tank | Taku Ishizawa, Noriyuki Fukasawa, Hideki Okumura, Naomi Kimura | 2021-07-27 |
| 11065879 | Ink refill container and ink refill system | Ryoichi Tanaka, Taku Ishizawa | 2021-07-20 |
| 11059299 | Ink replenishing container and ink replenishing system | Taku Ishizawa | 2021-07-13 |
| 11052668 | Liquid container | Seigo MIYAZAWA, Taku Ishizawa | 2021-07-06 |
| 11007787 | Ink refill container and ink refill system | Taku Ishizawa, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane | 2021-05-18 |
| 11001068 | Ink replenish container | Noriyuki Fukasawa, Taku Ishizawa, Tadashi Watanabe, Ryoichi Tanaka | 2021-05-11 |
| 10974512 | Ink replenishing container and ink replenishing system | Taku Ishizawa | 2021-04-13 |
| 10889123 | Ink refill container, ink refill system, and ink refill adapter | Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura, Hideki Okumura +3 more | 2021-01-12 |
| 10857802 | Liquid container | Ryoichi Tanaka, Taku Ishizawa, Atsushi Kobayashi, Koichi Toba, Yoshiaki Shimizu +1 more | 2020-12-08 |
| 10843471 | Liquid ejection apparatus | Taku Ishizawa | 2020-11-24 |
| 10752003 | Ink refill container and ink refill system | Taku Ishizawa, Noriyuki Fukasawa, Naomi Kimura, Shoma Kudo, Manabu Akahane | 2020-08-25 |
| 10744779 | Bottle set | Takumi Nagashima, Tetsuya Takamoto, Hiroyuki Nakamura | 2020-08-18 |
| 10717287 | Ink refill container, ink refill system, and ink refill adapter | Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura, Hideki Okumura +3 more | 2020-07-21 |
| 10647123 | Refilled cartridge and method for manufacturing refilled cartridge | Hiroyuki Nakamura, Atsushi Kobayashi, Izumi Nozawa, Hidetoshi Kodama | 2020-05-12 |
| 10618292 | Printer and ink bottle | Noriyuki Fukasawa, Taku Ishizawa, Naomi Kimura, Shoma Kudo, Ryoichi Tanaka +1 more | 2020-04-14 |
| 10569556 | Ink replenishment container and method for manufacturing ink replenishment container | Taku Ishizawa | 2020-02-25 |