Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE45057 | Method of manufacturing an ink jet recording head having piezoelectric element | Tsutomu Hashizume | 2014-08-05 |
| 8757777 | Liquid ejecting head and liquid ejecting apparatus | Akira Matsuzawa, Mutsuhiko Ota, Yasuyuki Matsumoto | 2014-06-24 |
| 8534800 | Liquid ejecting head and liquid ejecting apparatus | Akira Matsuzawa, Mutsuhiko Ota, Yasuyuki Matsumoto | 2013-09-17 |
| 8342656 | Liquid ejecting head and liquid ejecting apparatus | Akira Matsuzawa, Mutsuhiko Ota, Yasuyuki Matsumoto | 2013-01-01 |
| 8061813 | Liquid ejecting head and liquid ejecting apparatus | Akira Matsuzawa, Mutsuhiko Ota, Yasuyuki Matsumoto | 2011-11-22 |
| 7850288 | Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetween | Tsutomu Hashizume | 2010-12-14 |
| 7827659 | Method of manufacturing an ink jet recording head having piezoelectric element | Tsutomu Hashizume | 2010-11-09 |
| 7789495 | Liquid ejection head and liquid ejection apparatus | Yasuyuki Matsumoto, Akira Matsuzawa | 2010-09-07 |
| 7673975 | Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetween | Tsutomu Hashizume | 2010-03-09 |
| 7381341 | Method of manufacturing liquid jet head | Masato Shimada | 2008-06-03 |
| 7354140 | Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetween | Tsutomu Hashizume | 2008-04-08 |
| 7318277 | Method of manufacturing a liquid jet head | Tatsuro Torimoto, Akira Matsuzawa, Mutsuhiko Ota | 2008-01-15 |
| RE39474 | Method of manufacturing an ink jet recording head having reduced stress concentration near the boundaries of the pressure generating chambers | Tsutomu Hashizume, Akira Matsuzawa | 2007-01-23 |
| 7135121 | Ink-jet recording head, manufacturing method of the same and ink-jet recording apparatus | Akira Matsuzawa, Masato Shimada | 2006-11-14 |
| 7003857 | Method of producing an ink-jet printing head | Masato Shimada, Tsutomu Nishiwaki, Tsutomu Hashizume | 2006-02-28 |
| 6910272 | Method of manufacturing an ink jet recording head | — | 2005-06-28 |
| 6869170 | Ink-jet recording head having a vibration plate prevented from being damaged and ink-jet recording apparatus for using the same | Masato Shimada, Yoshinao Miyata, Hiroyuki Kamei | 2005-03-22 |
| 6764167 | Ink-jet recording head inkjet recording apparatus | Masato Shimada, Yoshinao Miyata, Hiroyuki Kamei | 2004-07-20 |
| 6712456 | Ink-jet recording head, manufacturing method of the same and ink-jet recording apparatus | Akira Matsuzawa, Masato Shimada | 2004-03-30 |
| 6692114 | Ink jet recording head and method of manufacturing the same, and ink jet recording apparatus | — | 2004-02-17 |
| 6609785 | Ink jet recording head having piezoelectric element and electrode patterned with same shape and without pattern shift therebetween | Tsutomu Hashizume | 2003-08-26 |
| 6543107 | Method of producing a piezoelectric thin film | Satoru Miyashita, Masakazu Shinozuka | 2003-04-08 |
| 6402971 | Ink jet recording head and manufacturing method therefor | Tsutomu Hashizume | 2002-06-11 |
| 6387225 | Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element | Masato Shimada, Hiroyuki Kamei, Hong Qiu | 2002-05-14 |
| 6315400 | Ink jet recording head and ink jet recorder | Shinri Sakai, Yoshinao Miyata | 2001-11-13 |