Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6685300 | Device and method for driving ink jet printing head capable of attaining both high quality printing and reduction of ink consumption | Toshinori Ishiyama | 2004-02-03 |
| 6682175 | Ink jet recording head and ink jet recording apparatus | Yasuhiro Otsuka, Kazuhiko Hayashi, Toshinori Ishiyama | 2004-01-27 |
| 6629741 | Ink jet recording head drive method and ink jet recording apparatus | Toshinori Ishiyama | 2003-10-07 |
| 6609784 | Ink jet recording device and a method for designing the same | — | 2003-08-26 |
| 6578954 | Ink jet printing head and ink jet printing device enabling stable high-frequency ink drop ejection and high-speed printing | Toshinori Ishiyama, Atsushi Murakami | 2003-06-17 |
| 6550897 | Inkjet recording head and recording apparatus using the same | Hirofumi Nakamura, Yasuhiro Otsuka | 2003-04-22 |
| 6467865 | Ink jet recording head and ink jet recorder | Takuya Iwamura | 2002-10-22 |
| 6450615 | Ink jet printing apparatus and method using a pressure generating device to induce surface waves in an ink meniscus | Ryuichi Kojima, Yasuhiro Otsuka, Torahiko Kanda, Fuminori Takizawa, Hirofumi Nakamura | 2002-09-17 |
| 6412926 | Ink-jet printer head and ink-jet printer | — | 2002-07-02 |
| 6347854 | Image recording device capable of preventing deviation of ink dot on recording medium | Fuminori Takizawa, Yasuhiro Otsuka, Torahiko Kanda | 2002-02-19 |
| 6305792 | Ink jet recording head | Yasuhiro Otsuka, Torahiko Kanda, Fuminori Takizawa | 2001-10-23 |
| D435114 | Self-service facility | Motoyasu Kimura, Tomoei Kimura | 2000-12-12 |
| 6154228 | Image recording device capable of preventing deviation of ink dot on recording medium | Fuminori Takizawa, Yasuhiro Otsuka, Torahiko Kanda | 2000-11-28 |
| D429529 | Self-service facility | Motoyasu Kimura, Tomoei Kimura | 2000-08-15 |
| D429340 | Self-service facility | Motoyasu Kimura, Tomoei Kimura | 2000-08-08 |
| D429339 | Self-service facility | Motoyasu Kimura, Tomoei Kimura | 2000-08-08 |
| 5710966 | Cleaning device for removing non-transferred toner | Yasuhiro Otsuka | 1998-01-20 |
| 5660486 | Image printing apparatus and image printing method | Yasuhiro Otsuka | 1997-08-26 |