Issued Patents All Time
Showing 25 most recent of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427769 | Recording element substrate and method of manufacturing the same | Takanobu Manabe, Junichiro Iri, Hiroyuki Murayama, Kenji Fujii, NARUMI SHINOHARA | 2025-09-30 |
| 11123987 | Liquid ejection head and method of manufacturing liquid ejection head | Takanobu Manabe | 2021-09-21 |
| 10861703 | Method of manufacturing substrate and semiconductor device | Hirohisa Fujita, Kenji Fujii, Makoto Watanabe, Shuhei Oya, Yusuke Hashimoto | 2020-12-08 |
| 10442201 | Method for manufacturing liquid ejection head | Kenji Fujii, Yusuke Hashimoto, Shuhei Oya, Hirohisa Fujita | 2019-10-15 |
| 10166779 | Method for manufacturing liquid-discharge-head substrate | Shiro Sujaku, Keiji Watanabe, Kouji Hasegawa, Junya Hayasaka | 2019-01-01 |
| 9610773 | Method for producing liquid-ejection-head substrate and liquid-ejection-head substrate produced by the same | Keiji Watanabe, Junya Hayasaka, Shiro Sujaku, Kouji Hasegawa | 2017-04-04 |
| 9604454 | Method for manufacturing liquid ejection head | Jun Yamamuro, Toshiaki Kurosu, Shiro Sujaku | 2017-03-28 |
| 9211715 | Liquid ejection head and process for producing liquid ejection head | Shingo Nagata | 2015-12-15 |
| 9174439 | Liquid ejection head and method for manufacturing liquid ejection head | Yoshinori Tagawa, Jun Yamamuro, Hiroto Komiyama, Kouji Hasegawa, Shiro Sujaku | 2015-11-03 |
| 9108406 | Device substrate, liquid ejection head, and method for manufacturing device substrate and liquid ejection head | Kouji Hasegawa, Jun Yamamuro, Shuhei Oya, Shiro Sujaku, Junya Hayasaka | 2015-08-18 |
| 9085141 | Liquid ejection head and printing apparatus | Shuhei Oya, Jun Yamamuro, Kouji Hasegawa, Shiro Sujaku, Junya Hayasaka | 2015-07-21 |
| 8968584 | Method for manufacturing liquid ejection head | Jun Yamamuro, Yoshinori Tagawa, Hiroto Komiyama, Kouji Hasegawa, Shiro Sujaku | 2015-03-03 |
| 8945957 | Method of manufacturing liquid ejection head | Hiroto Komiyama, Jun Yamamuro, Kouji Hasegawa, Shiro Sujaku, Yoshinori Tagawa | 2015-02-03 |
| 8888245 | Liquid ejection head having protected orifice plate and method for manufacturing liquid ejection head | Toshiaki Kurosu, Kazumasa Matsushita, Yoshinori Tagawa | 2014-11-18 |
| 8771792 | Method for manufacturing liquid discharge head | Kazuhiro Asai, Yoshinori Tagawa, Hiroyuki Murayama, Kouji Sasaki, Keiji Edamatsu | 2014-07-08 |
| 8613862 | Method for manufacturing liquid discharge head substrate | Kazuhiro Asai, Hirokazu Komuro, Takuya Hatsui, Shimpei Otaka, Hiroto Komiyama +1 more | 2013-12-24 |
| 8596759 | Liquid ejection head and method of manufacturing the same | Mitsuru Chida, Hiroto Komiyama, Yoshinori Tagawa | 2013-12-03 |
| 8597529 | Method for processing substrate and method for producing liquid ejection head and substrate for liquid ejection head | Keisuke Kishimoto, Takuya Hatsui, Shimpei Otaka, Hiroto Komiyama, Hiroyuki Morimoto +2 more | 2013-12-03 |
| 8544997 | Liquid ejection head and manufacturing method thereof | Toshiaki Kurosu, Koji Sasaki, Kouji Hasegawa, Yoshinori Tagawa | 2013-10-01 |
| 8500233 | Liquid ejection head having a light receiving element and a method of inspecting liquid ejection head | Masataka Nagai, Yoshinori Tagawa, Kazuhiro Asai, Hiroyuki Murayama, Mitsuru Chida | 2013-08-06 |
| 8438729 | Method of producing liquid discharge head | Shuji Koyama, Yoshiaki Suzuki, Hiroto Komiyama | 2013-05-14 |
| 8434850 | Liquid discharge head and manufacturing method of the same | Hiroto Komiyama, Toshiaki Kurosu, Kouji Hasegawa, Koji Sasaki | 2013-05-07 |
| 8388106 | Ink discharge head and manufacturing method thereof | Toshiaki Kurosu, Kazuhiro Asai, Yoshinori Tagawa | 2013-03-05 |
| 8388084 | Liquid ejection head, method for evaluation of liquid ejection head, and liquid ejection apparatus having liquid ejection head | Masataka Nagai, Yoshinori Tagawa, Kazuhiro Asai, Masaki Ohsumi | 2013-03-05 |
| 8371680 | Substrate having protection layers for liquid-ejection head, liquid ejection head, method for manufacturing substrate for liquid-ejection head, and method for manufacturing liquid ejection head | Hiroto Komiyama, Yoshinori Tagawa, Mitsuru Chida, Kazuhiro Asai | 2013-02-12 |