Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12427769 | Recording element substrate and method of manufacturing the same | Junichiro Iri, Hiroyuki Murayama, Kenji Fujii, Satoshi Ibe, NARUMI SHINOHARA | 2025-09-30 |
| 11179934 | Liquid ejection head and method of manufacturing the same | Shuhei Oya, Makoto Watanabe | 2021-11-23 |
| 11123987 | Liquid ejection head and method of manufacturing liquid ejection head | Satoshi Ibe | 2021-09-21 |
| 11110706 | Liquid ejecting head and method of manufacturing liquid ejecting head | Yusuke Hashimoto, Kenji Fujii | 2021-09-07 |
| 10981392 | Liquid ejection head and method of manufacturing liquid ejection head | Toshiaki Kurosu, Kenji Fujii | 2021-04-20 |
| 10730299 | Method for manufacturing liquid discharge head, liquid discharge head, and method for manufacturing liquid discharge head substrate | Yuji Tamaru, Yuichiro Akama, Naoko Tsujiuchi, Sayaka Seki, Yasuaki Kitayama +1 more | 2020-08-04 |
| 10239317 | Method for manufacturing liquid discharge head, liquid discharge head, and method for manufacturing liquid discharge head substrate | Yuji Tamaru, Yuichiro Akama, Naoko Tsujiuchi, Sayaka Seki, Yasuaki Kitayama +1 more | 2019-03-26 |
| 9555632 | Method of processing a silicon substrate and method of manufacturing a substrate for a liquid ejection head | Makoto Watanabe, Yoshinori Tagawa, Hiroyuki Murayama, Shuhei Oya | 2017-01-31 |
| 9315026 | Method for manufacturing liquid discharge head | Yoshinori Tagawa, Hiroyuki Murayama, Shuhei Oya | 2016-04-19 |
| 9266330 | Process for producing a semiconductor chip | Kenji Fujii, Mitsuru Chida, Makoto Watanabe, Toshiaki Kurosu, Masataka Nagai | 2016-02-23 |
| 9162459 | Liquid ejection head | Masataka Nagai, Yoshinori Tagawa, Jun Yamamuro, Kenji Fujii, Mitsuru Chida +2 more | 2015-10-20 |
| 9146461 | Method of making nozzle chip | Toshiaki Kurosu, Makoto Watanabe, Masataka Nagai, Hiroyuki Murayama | 2015-09-29 |
| 9102149 | Liquid ejection head | Masataka Nagai, Yoshinori Tagawa, Toshiaki Kurosu, Hiroyuki Murayama, Makoto Watanabe | 2015-08-11 |
| 9079405 | Liquid ejection head and method for manufacturing the same | Toshiaki Kurosu, Hiroto Komiyama, Jun Yamamuro, Yoshinori Tagawa | 2015-07-14 |
| 9039143 | Ink jet recording head and method for manufacturing the same | Mitsuru Chida, Kenji Fujii, Makoto Watanabe, Toshiaki Kurosu, Masataka Nagai | 2015-05-26 |
| 9023593 | Method of manufacturing liquid ejection head | Makoto Watanabe, Yoshinori Tagawa, Hiroyuki Murayama, Toshiaki Kurosu, Masataka Nagai | 2015-05-05 |
| 8991051 | Manufacturing method of liquid discharge head | Shin Ishimatsu, Kenji Fujii, Toshiaki Kurosu, Chiaki Muraoka, Sayaka TAKAHASHI +1 more | 2015-03-31 |
| 8580483 | Method of making nozzle chip | Toshiaki Kurosu, Makoto Watanabe, Kenji Fujii, Yoshinori Tagawa, Kazuhiro Asai | 2013-11-12 |