Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8340565 | Image forming device having detachable drum unit | — | 2012-12-25 |
| 8139996 | Image forming device having detachable drum unit | — | 2012-03-20 |
| 8112013 | Image forming device | — | 2012-02-07 |
| 7926925 | Ink pack having welded tap and ink cartridge | — | 2011-04-19 |
| 7360877 | Inkjet printer | Takao Hyakudome | 2008-04-22 |
| 7306330 | Inkjet printer | — | 2007-12-11 |
| D534581 | Ink cartridge | Katsuya Watarai | 2007-01-02 |
| 6834948 | Color ink jet recording apparatus | Takeshi Asano, Takao Hyakudome | 2004-12-28 |
| 6419348 | Ink ejecting device and piezoelectric element thereof | Masatomo Kojima | 2002-07-16 |
| 6276790 | Hot melt ink jet print head and purging method in the head | — | 2001-08-21 |
| 6193365 | Hot melt type inkjet head and sheet shaped heating device used for hot melt type inkjet head | — | 2001-02-27 |
| 6086194 | Hot melt ink jet print head | — | 2000-07-11 |
| 6048057 | Hot melt ink jet print head | Seiichi Kanemoto, Atsushi Hirota, Atsuo Sakaida | 2000-04-11 |
| 6033065 | Hot melt ink jet print head | — | 2000-03-07 |
| 5923354 | Hot-melt ink-jet type printer with heater outside the print area | — | 1999-07-13 |
| 5920330 | Ink jet printer capable of performing printing immediately after the end of a wiping operation | — | 1999-07-06 |
| 5912526 | Layered-type piezoelectric element and method for producing the layered-type piezoelectric element | Yasuo Okawa, Yasuji Chikaoka, Atsuo Sakaida, Yoshihumi Suzuki | 1999-06-15 |
| 5895313 | Method for manufacture of ink jet nozzle | Toshio Inose | 1999-04-20 |
| 5860202 | Method for producing a layered piezoelectric element | Yasuo Okawa, Yasuji Chikaoka, Atsuo Sakaida, Yoshihumi Suzuki | 1999-01-19 |
| 5639508 | Method for producing a layered piezoelectric element | Yasuo Okawa, Yasuji Chikaoka, Atsuo Sakaida, Yoshihumi Suzuki | 1997-06-17 |
| RE34823 | Device for magnifying displacement of piezoelectric element or the like and method of producing same | Atsuo Sakaida, Yasuji Chikaoka, Yasuo Imoto, Akira Iriguchi | 1995-01-10 |
| 5350962 | Driving device for piezoelectric element | Atsuo Sakaida, Yoshihumi Suzuki, Akira Iriguchi, Masashi Suzuki | 1994-09-27 |
| 5190383 | Dot printing apparatus | Yoshihumi Suzuki, Akira Iriguchi | 1993-03-02 |
| 5147141 | Driver circuit for piezoelectric actuator, and dot-matrix head and printer using piezoelectric or other actuator having discharge control means | Atsuo Sakaida, Akira Iriguchi, Takeshi Niikawa, Masashi Suzuki | 1992-09-15 |
| 5028834 | Device for magnifying displacement of piezoelectric element and method of producing same | Atsuo Sakaida, Akira Iriguchi, Yasuji Chikaoka, Yasuo Imoto | 1991-07-02 |