Issued Patents All Time
Showing 1–25 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12023924 | Liquid ejection apparatus and control method | Keiji Tomizawa, Yuzuru Ishida, Shuzo Iwanaga | 2024-07-02 |
| 11738555 | Liquid ejection head and method for manufacturing liquid ejection head | Yuzuru Ishida, Maki Kato, Takeru Yasuda, Tsubasa Funabashi | 2023-08-29 |
| 11648777 | Liquid ejection apparatus and method of controlling liquid ejection apparatus | Yuzuru Ishida, Maki Kato, Takeru Yasuda, Tsubasa Funabashi | 2023-05-16 |
| 11618254 | Element substrate, liquid discharge head, and printing apparatus | Takeru Yasuda, Maki Kato, Yuzuru Ishida, Tsubasa Funabashi | 2023-04-04 |
| 11318744 | Liquid ejection head substrate and manufacturing method of the same | Yuzuru Ishida, Takeru Yasuda, Tsubasa Funabashi, Maki Kato | 2022-05-03 |
| 11173713 | Liquid discharge head | Tomohiro Sato, Koichi Ishida, Masaki Oikawa, Maki Kato, Yuzuru Ishida +1 more | 2021-11-16 |
| 11155080 | Cleaning method of liquid discharge head and liquid discharge apparatus | Maki Kato, Yuzuru Ishida, Tsubasa Funabashi, Takahiro Matsui | 2021-10-26 |
| 11141974 | Print element substrate, liquid discharge head, and liquid discharge apparatus | Ryoji Oohashi, Yuzuru Ishida, Tsubasa Funabashi, Maki Kato | 2021-10-12 |
| 11104126 | Liquid ejection apparatus, ejection control method, and liquid ejection head | Maki Kato, Yuzuru Ishida, Tsubasa Funabashi, Takahiro Matsui | 2021-08-31 |
| 11020966 | Liquid ejection head substrate, method of manufacturing liquid ejection head substrate, and liquid ejection head | Yuzuru Ishida, Maki Kato, Tsubasa Funabashi, Takahiro Matsui | 2021-06-01 |
| 10994532 | Liquid discharge apparatus and control method thereof | Yuzuru Ishida, Maki Kato, Nobuyuki Hirayama | 2021-05-04 |
| 10994543 | Inkjet printing apparatus and control method thereof | Rinako Kameshima, Minoru Teshigawara | 2021-05-04 |
| 10913269 | Liquid discharge head substrate and liquid discharge head | Maki Kato, Yuzuru Ishida, Tsubasa Funabashi, Takahiro Matsui | 2021-02-09 |
| 10730294 | Liquid-discharge-head substrate, liquid discharge head, and method for manufacturing liquid-discharge-head substrate | Tsubasa Funabashi, Takahiro Matsui, Maki Kato, Yuzuru Ishida | 2020-08-04 |
| 10710361 | Liquid discharge head substrate, liquid discharge head, liquid discharge apparatus, and method of controlling liquid discharge head | Maki Kato, Yuzuru Ishida, Tsubasa Funabashi, Takahiro Matsui | 2020-07-14 |
| 10632748 | Liquid ejection head | Maki Kato, Takahiro Matsui, Yuzuru Ishida | 2020-04-28 |
| 10538085 | Liquid discharge head substrate, liquid discharge head, and method for disconnecting fuse portion in liquid discharge head substrate | Yuzuru Ishida, Maki Kato, Takahiro Matsui | 2020-01-21 |
| 10434777 | Liquid ejecting head, cleaning method, and liquid ejecting apparatus | Maki Kato, Takahiro Matsui, Norihiro Yoshinari | 2019-10-08 |
| 10421272 | Control method of liquid ejection head and liquid ejection apparatus | Yuzuru Ishida, Maki Kato, Takeru Yasuda, Norihiro Yoshinari, Takahiro Matsui | 2019-09-24 |
| 10201970 | Liquid ejection head, liquid ejection apparatus, and control method | Akio Goto, Maki Kato, Norihiro Yoshinari, Yuzuru Ishida, Takahiro Matsui | 2019-02-12 |
| 9868283 | Liquid discharge head cleaning method and liquid discharge apparatus | Maki Kato, Yuzuru Ishida, Akio Goto, Norihiro Yoshinari, Takahiro Matsui +1 more | 2018-01-16 |
| 9701130 | Apparatus and method for inspecting inkjet print head | — | 2017-07-11 |
| 9682552 | Liquid ejection head, method of cleaning the same, and recording apparatus | Maki Kato, Ichiro Saito, Takahiro Matsui, Yuzuru Ishida, Norihiro Yoshinari +2 more | 2017-06-20 |
| 9630399 | Method for cleaning liquid ejection head | Yuzuru Ishida, Maki Kato, Norihiro Yoshinari, Akio Goto | 2017-04-25 |
| 9610778 | Liquid discharge head and method for producing liquid discharge head | Yuzuru Ishida, Maki Kato, Norihiro Yoshinari, Akio Goto, Takahiro Matsui | 2017-04-04 |