Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6811248 | Ink jet head, method of manufacturing the same and ink jet recording apparatus | Hiroyuki Matsuo, Koji Ikeda, Atsushi Sogami | 2004-11-02 |
| 6793311 | Ink jet recording apparatus | Koichi Baba, Koji Ikeda, Koji Matsuo, Masashi Tomita, Masaharu Oyama | 2004-09-21 |
| 6783211 | Ink-jet recording head | Emiko Igaki, Toru Ishida, Masakazu Tanahashi, Hidetomo Nagahara, Kiyohide Amemiya +2 more | 2004-08-31 |
| 6736479 | Ink jet recording apparatus | Koichi Baba, Koji Ikeda, Koji Matsuo, Masashi Tomita, Masaharu Oyama | 2004-05-18 |
| 6717751 | Image reading apparatus | Tetsuroh Nakamura | 2004-04-06 |
| 6565196 | Ink jet head, method of manufacturing the same and ink jet recording apparatus | Hiroyuki Matsuo, Koji Ikeda, Atsushi Sogami | 2003-05-20 |
| 6557980 | Image forming device, and its manufacturing method and apparatus | Taichi Ito, Takuya Kitahara, Hidenori Tomachi, Akira Kumon, Katsutoshi Ogawa +5 more | 2003-05-06 |
| 6496680 | Image fixing device and method using ultrasonic vibration | Keisuke Fujimoto, Yoshitaka Kitaoka, Masahiko Hashimoto | 2002-12-17 |
| 6299295 | Ink jet printing head having ink chambers arranged in succession by lamination | Masayoshi Miura, Yoshiyuki Sugiyama, Masahiko Hashimoto, Kiyohide Amemiya | 2001-10-09 |
| 5381214 | Electrophotographic charging device | Akira Kumon, Katsutoshi Ogawa, Hitoshi Hisada, Junichi Nawama, Noboru Katakabe +1 more | 1995-01-10 |
| 4696562 | Multifunctional copying machine | Yoshihito Urata, Toshiharu Sasaki | 1987-09-29 |
| 4196875 | Magnetic tape recording and/or reproducing apparatus | Toshiharu Sasaki, Yoshihito Urata | 1980-04-08 |