Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598952 | Liquid jet recording head having controller for controlling temperature distribution | Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Kenjiro Watanabe +5 more | 2003-07-29 |
| 6505907 | Recording apparatus having abnormality determination based on temperature and average ejection duty cycle | Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Kenjiro Watanabe +5 more | 2003-01-14 |
| 6412920 | Ink jet printing head, ink jet head cartridge and printing apparatus | Haruyuki Matsumoto, Hajime Yamamoto, Mineo Kaneko, Masashi Miyagawa | 2002-07-02 |
| 6234599 | Substrate having a built-in temperature detecting element, and ink jet apparatus having the same | Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Kenjiro Watanabe +5 more | 2001-05-22 |
| 6113223 | Ink jet recording head with ink chamber having slanted surfaces to aid bubble removal | Shigeaki Tanaka, Nobuyuki Kuwabara, Akira Goto, Takashi Watanabe, Kunihiko Maeoka +18 more | 2000-09-05 |
| 5534898 | Ink jet head, ink jet apparatus and wiping method therefor | Toshio Kashino, Noribumi Koitabashi, Hiroshi Tajika, Atsushi Arai, Hiromitsu Hirabayashi | 1996-07-09 |
| 5508725 | Ink jet head having trapezoidal ink passages, ink cartridge and recording apparatus with same | Akira Goto, Kazuaki Masuda, Takashi Watanabe, Kunihiko Maeoka, Nobuyuki Kuwabara +9 more | 1996-04-16 |
| 5467113 | Ink-jet recording head, board for said head and ink-jet recording apparatus | Hiroyuki Ishinaga, Toshihiro Mori | 1995-11-14 |
| 5371528 | Liquid jet head with nonlinear liquid passages having a diverging portion | Masaaki Izumida, Koichi Sato, Shigeaki Tanaka, Nobuyuki Kuwabara, Akira Goto +9 more | 1994-12-06 |
| 5182581 | Ink jet recording unit having an ink tank section containing porous material and a recording head section | Makoto Kashimura, Hiroshi Nakagomi, Seiichiro Karita, Tetsuo Kimura, Hirofumi Hirano +1 more | 1993-01-26 |
| 5175565 | Ink jet substrate including plural temperature sensors and heaters | Hiroyuki Ishinaga, Masami Ikeda, Ryoichi Koizumi, Asao Saito, Kenjiro Watanabe +5 more | 1992-12-29 |
| 5148192 | Liquid jet recording head with nonlinear liquid passages and liquid jet recording apparatus having same | Masaaki Izumida, Koichi Sato, Shigeaki Tanaka, Nobuyuki Kuwabara, Akira Goto +9 more | 1992-09-15 |
| 5066964 | Recording head having cooling mechanism therefor | Hiroshi Nakagomi, Seiichirou Karita | 1991-11-19 |
| 4894288 | Thermal transfer material | Hiroshi Sato | 1990-01-16 |
| 4883379 | Correction sheet and correction method | Hiroshi Sato, Kazuhiro Nakajima | 1989-11-28 |