Issued Patents All Time
Showing 1–25 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11981131 | Print element substrate and temperature detection apparatus | Nobuyuki Hirayama | 2024-05-14 |
| 11479037 | Liquid discharging head | Nobuyuki Hirayama, Ryo Kasai | 2022-10-25 |
| 10493774 | Element substrate, manufacturing method thereof, printhead, and printing apparatus | Nobuyuki Hirayama, Sadayoshi Sakuma | 2019-12-03 |
| 10427400 | Printhead and printing apparatus | Hidenori Yamato, Masataka Sakurai, Ryo Kasai, Kengo Umeda | 2019-10-01 |
| 10076902 | Print element substrate, liquid ejection head, and printing device | Ryo Kasai | 2018-09-18 |
| 9555653 | Inspection apparatus and method for liquid discharge head and liquid discharge head | — | 2017-01-31 |
| 9033442 | Printing apparatus and discharge inspection method | Nobuyuki Hirayama | 2015-05-19 |
| 8833889 | Element substrate, printhead and printing apparatus | Nobuyuki Hirayama | 2014-09-16 |
| 8794733 | Recording head and recording apparatus using the recording head | Isao Hayashi, Seiichiro Karita, Hiroshi Takabayashi, Takatsuna Aoki | 2014-08-05 |
| 8709364 | Heat retaining device | Akimasa Osaka, Minoru Sano, Akiyuki Nemoto, Yoshiyuki Shoji | 2014-04-29 |
| 8287082 | Method of detecting discharging state of inkjet recording head | Takatsuna Aoki | 2012-10-16 |
| 8172355 | Liquid discharge head and liquid discharge apparatus using liquid discharge head | Hiroshi Takabayashi, Takatsuna Aoki, Seiichiro Karita | 2012-05-08 |
| 8033631 | Recording head and test apparatus for recording head | — | 2011-10-11 |
| 7950765 | Liquid discharge head and liquid discharge apparatus using liquid discharge head | Hiroshi Takabayashi, Takatsuna Aoki, Seiichiro Karita | 2011-05-31 |
| 7802866 | Recording head that detects temperature information corresponding to a plurality of electro-thermal transducers on the recording head and recording apparatus using the recording head | Isao Hayashi, Seiichiro Karita, Hiroshi Takabayashi, Takatsuna Aoki | 2010-09-28 |
| 7722148 | Liquid discharge head and liquid discharge apparatus using liquid discharge head | Hiroshi Takabayashi, Takatsuna Aoki, Seiichiro Karita | 2010-05-25 |
| 6742940 | Shading device and lens barrel | Norikatsu Konno, Hitoshi Imanari, Kazumitsu Takezawa | 2004-06-01 |
| 6330398 | Vibration reduction apparatus | Etsuo Tanaka, Yoshio Imura, Hiroshi Okano, Akira Katayama | 2001-12-11 |
| 6326943 | Display device | Hiroshi Inoue, Atsushi Mizutome | 2001-12-04 |
| 6262705 | Display device | Hiroshi Inoue, Hiroshi Netsu, Atsushi Mizutome | 2001-07-17 |
| 6097364 | Display control apparatus which compresses image data to reduce the size of a display memory | Katsuhiro Miyamoto, Takashi Tsunoda, Hiroshi Inoue, Yuichi Matsumoto | 2000-08-01 |
| 6037921 | Display control apparatus with independent information receivers | Yuichi Matsumoto, Takashi Tsunoda, Katsuhiro Miyamoto | 2000-03-14 |
| 5990859 | Display device | Hiroshi Inoue, Hiroshi Netsu, Atsushi Mizutome | 1999-11-23 |
| 5983999 | Laminated heat exchanger having refrigerant tubes and heads | Akihiro Ito, Masateru Hayashi, Kazuhiro Tomimasu, Souichiro Umazume, Kouji Fujita | 1999-11-16 |
| 5952990 | Display device with power-off delay circuitry | Hiroshi Inoue, Hiroshi Netsu, Atsushi Mizutome | 1999-09-14 |