Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7331662 | Ink cartridge and image forming apparatus | Masaki Matsushita, Hirokazu Nakamura, Naozumi Ueno, Takashi Goto, Hiroshi Ishii | 2008-02-19 |
| 7226152 | Image forming apparatus | Masaki Matsushita, Hirokazu Nakamura, Naozumi Ueno, Takashi Gotoh, Hiroshi Ishii | 2007-06-05 |
| 7221896 | Fixing device for fixing an unfixed developing agent on a recording medium and image forming apparatus including the same | Hirokazu Nakamura, Masaki Matsushita, Hirokazu Fujita, Naozumi Ueno | 2007-05-22 |
| 7156509 | Image forming apparatus | Masaki Matsushita, Hirokazu Nakamura, Naozumi Ueno, Takashi Gotoh, Akio Matsumoto +1 more | 2007-01-02 |
| 7134748 | Recording apparatus | Hirokazu Nakamura, Takashi Goto, Naozumi Ueno, Masaki Matsushita, Hiroshi Ishii | 2006-11-14 |
| 7014303 | Inkjet printer | Masaki Matsushita, Hirokazu Nakamura, Naozumi Ueno, Takashi Goto, Hiroshi Ishii | 2006-03-21 |
| 6991326 | Ink cartridge and image forming apparatus | Masaki Matsushita, Hirokazu Nakamura, Naozumi Ueno, Takashi Goto, Hiroshi Ishii | 2006-01-31 |
| 6890057 | Inkjet printer waste ink storage apparatus | Takashi Gotoh, Naozumi Ueno, Tomomi Tanaka, Masaki Matsushita, Hirokazu Nakamura | 2005-05-10 |
| 6571474 | Method of fabricating a recording head of electrostatic attraction type image recording apparatus | Hiroshi Onda, Norihiro Ochi | 2003-06-03 |
| 6511157 | Ink jet printerhead with a plurality of nozzles and two distinct groups of filters | Hajime Horinaka, Masaharu Kimura, Kohji Tsurui, Hiroshi Onda | 2003-01-28 |
| 6471341 | Ink jet head allowing highly dense arrangement of nozzles | Kohji Tsurui, Kazuya Koyama | 2002-10-29 |
| 6439684 | Serial printer adjusting record displacement caused by transport of record sheet, and adjustment method thereof | Hajime Horinaka, Yuhi Akagawa, Kazuya Koyama, Yoshinobu Umetani, Norihiro Ochi | 2002-08-27 |
| 6331041 | Inkjet printing apparatus | Norihiro Ochi | 2001-12-18 |
| 6293641 | Recording apparatus for periodically emitting recording materials by material specific emission amount | Norihiro Ochi | 2001-09-25 |
| 6286921 | Ink cartridge of an ink jet printer and an ink jet printer including an ink cartridge | Norihiro Ochi, Kohji Tsurui, Kouichi Fukushima, Kazuya Koyama, Kouzou Yamaguchi +2 more | 2001-09-11 |
| 6102538 | Ink jet recording method of transferring an image formed on an intermediate transfer element onto a recording medium | Norihiro Ochi, Hiroshi Onda, Kohji Tsurui, Hajime Horinaka | 2000-08-15 |
| 6091435 | Recording head of electrostatic attraction type image recording apparatus that can reliably prevent damage of needle-like member | Hiroshi Onda, Norihiro Ochi | 2000-07-18 |
| 6030076 | Ink jet dyeing apparatus | Hajime Horinaka, Yoshinobu Okumura, Norihiro Ochi, Hiroshi Onda, Michihiro Yamashita | 2000-02-29 |
| 6024433 | Ink jet recording device | Kohji Tsurui, Hiroshi Kubota, Kazuya Koyama, Norihiro Ochi, Yoshio Kanayama | 2000-02-15 |
| 5992977 | Opto-thermal conversion recording apparatus | Hajime Horinaka, Masaharu Kimura, Hiroshi Onda, Kohji Tsurui | 1999-11-30 |
| 5995798 | Fixing device equipped in image forming device | Norihiro Ochi, Hajime Horinaka | 1999-11-30 |
| 5969737 | Ink jet recording device with detachable ink cartridge and ink cartridge thereof | Kazuya Koyama, Kohji Tsurui, Hajime Horinaka, Masaharu Kimura, Hiroshi Kubota | 1999-10-19 |
| 5903291 | Ink jet head utilizing electroviscous fluid for control of ink discharge | Kouichi Irihara, Kohji Tsurui, Hiroshi Kubota, Kazuya Koyama, Hajime Horinaka +1 more | 1999-05-11 |
| 5810067 | Method and apparatus for molding a light-alloy wheel | Masayuki Atari, Yasuyuki Murata, Shun Yamada, Yuichi Suzuki, Kishiro Abe +1 more | 1998-09-22 |
| 5650812 | Recording head for preventive air intrusion into the common chamber | Norihiro Ochi, Yoshio Kanayama | 1997-07-22 |