Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6969147 | Printer head chip and printer head | Takeo Eguchi, Minoru Kohno, Takumi Namekawa | 2005-11-29 |
| 6969149 | Print head | Takeo Eguchi, Masayuki Takakura, Masato Nakamura, Hiroyasu Uchida, Akihito Miyazaki | 2005-11-29 |
| 6938980 | Image forming apparatus and its control method | Yuji Yakura, Kenji Suzuki, Hiroshi Tokunaga | 2005-09-06 |
| 6938981 | Image formation apparatus and control method thereof | Yuji Yakura, Kenji Suzuki, Hiroshi Tokunaga | 2005-09-06 |
| 6874865 | Printer head chip and printer head | Takeo Eguchi, Minoru Kohno, Takumi Namekawa | 2005-04-05 |
| 6871941 | Print head, manufacturing method therefor, and printer | Shigeyoshi Hirashima, Atsushi Nakamura, Shinji Kayaba, Makoto Ando, Hiroshi Tokunaga +1 more | 2005-03-29 |
| 6794208 | Manufacturing method for print head | Atsushi Nakamura, Shinji Kayaba, Makoto Ando, Hiroshi Tokunaga | 2004-09-21 |
| 6793319 | Printer and printer head | Yuichiro Ikemoto, Kazuyasu Takenaka, Makoto Ando | 2004-09-21 |
| 6663223 | Print head, manufacturing method therefor and printer | Shigeyoshi Hirashima, Atsushi Nakamura, Shinji Kayaba, Makoto Ando, Hiroshi Tokunaga +1 more | 2003-12-16 |
| 6637856 | Inkjet head and inkjet printer | Shota Nishi, Makoto Ando, Shigeyoshi Hirashima, Hiroshi Tokunaga | 2003-10-28 |
| 6609461 | Printer diagnosis device, printer diagnosis method, and computer-readable program storage medium containing program having printer diagnosis function | Shigeyoshi Hirashima | 2003-08-26 |
| 6494554 | Apparatus and method for driving recording head for ink-jet printer | Yuichiro Ikemoto, Yasuo Yukita, Hiroshi Tokunaga, Masaki Kishimoto, Yuji Yakura +3 more | 2002-12-17 |
| 6283568 | Ink-jet printer and apparatus and method of recording head for ink-jet printer | Tooru Tanikawa, Yuichiro Ikemoto, Masaki Kishimoto, Yasuo Yukita, Hiroshi Tokunaga | 2001-09-04 |
| 6109740 | Method and apparatus for supplying ink to a printer | Takumi Namekawa, Hiroshi Tokunaga | 2000-08-29 |
| 6095630 | Ink-jet printer and drive method of recording head for ink-jet printer | Kenji Suzuki, Yuji Yakura, Tooru Tanikawa, Yuichiro Ikemoto, Hiroshi Tokunaga | 2000-08-01 |
| 5826149 | Developing device employing a liquid developer and picture forming device having such developing device | Hiroshi Tokunaga | 1998-10-20 |
| 5738967 | Method of liquid electrophotography by impression/contact development | Hiroshi Tokunaga, Katusyuki Ogura, Yoshihiro Nishio | 1998-04-14 |