Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12138928 | Method for manufacturing liquid ejection head substrate and method for manufacturing liquid ejection head | Hidenori Yamato, Takaaki Yamaguchi, Nobuyuki Hirayama, Kyohei Kubota, Yu Nishimura | 2024-11-12 |
| 11833817 | Liquid ejection head substrate and liquid ejection head | Kenji Takahashi, Mai Hirohara | 2023-12-05 |
| 11760090 | Liquid ejection head circuit board and liquid ejection head | Kenji Takahashi, Mai Hirohara | 2023-09-19 |
| 11020971 | Liquid ejection head | Kenji Takahashi, Masaya Uyama | 2021-06-01 |
| 9789689 | Method of forming through-substrate | Yoshinao Ogata, Masataka Kato, Masaya Uyama, Toshiyasu Sakai, Hiroshi Higuchi | 2017-10-17 |
| 9676193 | Substrate processing method and method of manufacturing substrate for liquid discharge head including forming hole in substrate by dry etching | Masataka Kato, Hiroshi Higuchi, Yoshinao Ogata, Masaya Uyama, Toshiyasu Sakai | 2017-06-13 |
| 9511588 | Method for processing silicon substrate | Toshiyasu Sakai, Masataka Kato, Masaya Uyama, Hiroshi Higuchi, Yoshinao Ogata | 2016-12-06 |
| 9371225 | Substrate processing method | Toshiyasu Sakai | 2016-06-21 |
| 9102151 | Liquid ejection head and method for producing the same | — | 2015-08-11 |
| 8361815 | Substrate processing method and method for manufacturing liquid ejection head | — | 2013-01-29 |
| 8241540 | Method of manufacturing liquid discharge head | Masahisa Watanabe, Shuji Koyama, Kenji Ono, Kenji Fujii, Shuhei Oya | 2012-08-14 |
| 8007074 | Liquid discharge recording head | Kenji Fujii, Masahisa Watanabe, Shuhei Oya | 2011-08-30 |
| 5288902 | Method of manufacturing ferulic acid | Hisaji Taniguchi, Eisaku Nomura, Takuo Tsuno, Koji Kato, Chieko Hayashi | 1994-02-22 |