Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8177330 | Liquid discharge head, ink jet recording head and ink jet recording apparatus | Takatoshi Suganuma, Toshiaki Hirosawa, Shuzo Iwanaga, Akira Yamamoto, Yasuhiko Osaki | 2012-05-15 |
| 8100508 | Ink jet printing head | Riichi Saito, Akira Yamamoto, Shuzo Iwanaga | 2012-01-24 |
| 7789499 | Ink jet print head and method of manufacturing ink jet print head | Shuzo Iwanaga, Yasuhiko Osaki, Akira Yamamoto, Riichi Saito, Toshiaki Hirosawa | 2010-09-07 |
| 7775638 | Ink jet recording head and recording apparatus | Toshiaki Hirosawa, Shuzo Iwanaga, Riichi Saito | 2010-08-17 |
| 7690767 | Ink jet recording head and ink jet recording apparatus | Toshiaki Hirosawa, Shuzo Iwanaga, Riichi Saito | 2010-04-06 |
| 7625072 | Ink jet recording head and recording apparatus | Riichi Saito, Toshiaki Hirosawa, Shuzo Iwanaga, Akira Yamamoto | 2009-12-01 |
| 6935726 | Printing head and ink jet printing apparatus which performs printing with the printing head | — | 2005-08-30 |
| 6877839 | METHOD FOR MANUFACTURING AN INK JET RECORDING HEAD, AN INK JET RECORDING HEAD MANUFACTURED BY SUCH METHOD OF MANUFACTURE, AND AN INK JET RECORDING APPARATUS HAVING SUCH INK JET RECORDING HEAD MOUNTED THEREON | Shogo Kawamura, Toshiaki Hirosawa, Riichi Saito | 2005-04-12 |
| 6799833 | Ink jet recording head and ink jet recording apparatus | — | 2004-10-05 |
| 6789865 | Printing apparatus and printing system | Noriyuki Suzuki, Sohei Tanaka, Masafumi Wataya, Akira Kuronuma, Toru Nakayama +2 more | 2004-09-14 |
| 6688728 | Ink-jet recording head, ink-jet recording apparatus, and electronic equipment | Takashi Watanabe, Tatsuo Furukawa, Mineo Kaneko | 2004-02-10 |
| 6659591 | Ink jet recording head and producing method for the same | Osamu Sato, Mineo Kaneko, Kyota Miyazaki, Shuzo Iwanaga | 2003-12-09 |
| 6471901 | Method for manufacturing ink jet recording head using thermohardening filler | Shogo Kawamura, Toshiaki Hirosawa, Riichi Saito | 2002-10-29 |
| 6241340 | Ink-jet recording head, process for producing the head and ink-jet recording apparatus employing the head | Riichi Saito | 2001-06-05 |
| 6186613 | Recording head and recording apparatus using the same | — | 2001-02-13 |
| 6149265 | Recording element unit, ink jet recording element unit, ink jet cartridge and ink jet recording apparatus | — | 2000-11-21 |
| 6137510 | Ink jet head | Tamaki Sato, Yasuyuki Tamura, Mineo Kaneko, Masayoshi Tachihara, Shuichi Murakami +2 more | 2000-10-24 |
| 6132031 | Ink-jet head, ink-jet cartridge and ink-jet printing apparatus | — | 2000-10-17 |
| 6119334 | Method and apparatus for connecting wiring boards and ink jet recording head and recording apparatus | Riichi Saito | 2000-09-19 |
| 5798780 | Recording element driving unit having extra driving element to facilitate assembly and apparatus using same | Yutaka Koizumi | 1998-08-25 |
| 5696543 | Recording head which detects temperature of an element chip and corrects for variations in that detected temperature, and cartridge and apparatus having such a head | Ryoichi Koizumi | 1997-12-09 |
| 5608435 | Method for producing ink jet head having a plated bump-shaped electrode | Yutaka Koizumi | 1997-03-04 |
| 5483270 | Substrate for ink jet head | — | 1996-01-09 |
| 5243363 | Ink-jet recording head having bump-shaped electrode and protective layer providing structural support | Yutaka Koizumi | 1993-09-07 |
| 5227812 | Liquid jet recording head with bump connector wiring | Hideo Tamura | 1993-07-13 |