Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7967413 | Liquid ejection head and liquid ejection method | Shuichi Murakami, Yasunori Takei | 2011-06-28 |
| 6598952 | Liquid jet recording head having controller for controlling temperature distribution | Hiroyuki Ishinaga, Masami Ikeda, Asao Saito, Kenjiro Watanabe, Tsutomu Abe +5 more | 2003-07-29 |
| 6505907 | Recording apparatus having abnormality determination based on temperature and average ejection duty cycle | Hiroyuki Ishinaga, Masami Ikeda, Asao Saito, Kenjiro Watanabe, Tsutomu Abe +5 more | 2003-01-14 |
| 6234599 | Substrate having a built-in temperature detecting element, and ink jet apparatus having the same | Hiroyuki Ishinaga, Masami Ikeda, Asao Saito, Kenjiro Watanabe, Tsutomu Abe +5 more | 2001-05-22 |
| 6074041 | Ink jet recording head having an electric discharge path for releasing static electricity and recording apparatus using same | Yoshiyuki Imanaka, Tsutomu Abe | 2000-06-13 |
| 5790140 | Printing head, and printer and printing method using the printing head | Masahiko Ogawa | 1998-08-04 |
| 5774147 | Substrate having a common collector region and being usable in a liquid jet recording head | Asao Saito, Tsutomu Kato | 1998-06-30 |
| 5760797 | Ink jet recording head with adjustable temperature sensor and ink jet recording system having the same | Asao Saito, Yoshiaki Takayanagi | 1998-06-02 |
| 5726696 | Ink jet recording head having reserve functional devices | Asao Saito, Hiroyuki Ishinaga, Teruo Ozaki | 1998-03-10 |
| 5696543 | Recording head which detects temperature of an element chip and corrects for variations in that detected temperature, and cartridge and apparatus having such a head | Yasutomo Watanabe | 1997-12-09 |
| 5638097 | Recording apparatus to which recording head is detachably mounted | Yoshiaki Takayanagi, Asao Saito, Hirokazu Ikeda | 1997-06-10 |
| 5570119 | Multilayer device having integral functional element for use with an ink jet recording apparatus, and recording apparatus | Asao Saito, Tsutomu Kato | 1996-10-29 |
| 5491505 | Ink jet recording head and apparatus having a protective member formed above energy generators for generating energy used to discharge ink | Toshio Suzuki, Asao Saito, Makoto Shibata, Junichi Kobayashi, Hirokazu Komuro +4 more | 1996-02-13 |
| 5488395 | Liquid jet recording apparatus | Yoshiaki Takayanagi, Asao Saito | 1996-01-30 |
| 5485182 | Liquid jet recording apparatus | Yoshiaki Takayanagi, Asao Saito, Akira Nagatomo | 1996-01-16 |
| 5329304 | Remaining ink detecting device and ink jet head cartridge | Asao Saito | 1994-07-12 |
| 5212503 | Liquid jet recording head having a substrate with minimized electrode overlap | Asao Saito, Tsutomu Kato | 1993-05-18 |
| 5175565 | Ink jet substrate including plural temperature sensors and heaters | Hiroyuki Ishinaga, Masami Ikeda, Asao Saito, Kenjiro Watanabe, Tsutomu Abe +5 more | 1992-12-29 |
| 5043748 | Recording apparatus | Akira Katayama, Hideaki Kishida | 1991-08-27 |
| 5017948 | Ink jet recording device with thermal energy adjustment | Hideaki Kishida, Akira Katayama | 1991-05-21 |