Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776410 | Method of manufacturing liquid discharge head | Takayuki Ono, Masao Furukawa, Masashi Ishikawa, Takeshi Shibata, Ryo Shimamura +3 more | 2017-10-03 |
| 9352562 | Electric connection method | Tomohiro Takahashi, Takayuki Ono, Masao Furukawa, Takeshi Shibata, Ryo Shimamura +3 more | 2016-05-31 |
| 9085142 | Method of manufacturing liquid ejection head, and liquid ejection head | Takayuki Ono, Masao Furukawa, Masashi Ishikawa, Takeshi Shibata, Ryo Shimamura +3 more | 2015-07-21 |
| 8741195 | Method for manufacturing fiber absorber | Yoshiaki Kurihara, Ryo Shimamura, Tomohiro Takahashi, Masashi Ishikawa | 2014-06-03 |
| 8714711 | Liquid recording head and method of manufacturing the same | Shimpei Otaka, Takayuki Ono, Masao Furukawa, Takeshi Shibata, Ryo Shimamura +3 more | 2014-05-06 |
| 8529035 | Ink jet cartridge and manufacturing method of ink jet cartridge | Naoya Tsukamoto, Hiroyuki Yamamoto, Takeshi Shibata, Hirotaka Miyazaki, Yoshiaki Kurihara +4 more | 2013-09-10 |
| 6815381 | Fibrous material, production process of the fibrous material, ink-absorbing, treating process of the ink-absorbing member, ink tank container and ink cartridge | Hajime Yamamoto, Eiichiro Shimizu, Yoshihisa Takizawa, Keiichiro Tsukuda, Yuji Hamasaki +2 more | 2004-11-09 |
| 6758557 | LIQUID CONTAINER, METHOD OF MANUFACTURING THE CONTAINER, PACKAGE OF THE CONTAINER, INK JET HEAD CARTRIDGE IN WHICH THE CONTAINER AND A RECORDING HEAD ARE MADE INTEGRAL WITH EACH OTHER, AND LIQUID DISCHARGE RECORDING APPARATUS | Kenta Udagawa, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Shuzo Iwanaga +1 more | 2004-07-06 |
| 6502931 | Liquid container | Kenta Udagawa, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Shuzo Iwanaga | 2003-01-07 |
| 6481825 | Recording head cap arrangement | Masataka Eida | 2002-11-19 |
| 6460984 | LIQUID SUPPLY SYSTEM, LIQUID CONTAINER, HEAD CARTRIDGE, INK JET CARTRIDGE, LIQUID SUPPLY CONTAINER, METHOD FOR COUPLING THE HEAD CARTRIDGE WITH THE LIQUID SUPPLY CONTAINER, COMMUNICATION UNIT USED FOR THE LIQUID SUPPLY SYSTEM, INK JET RECORDING APPARATUS PROVIDED WITH THE INK JET CARTRIDGE OPENING/CLOSING VALVE USED FOR THE LIQUID CONTAINER, AND LIQUID SUPPLY CONTAINER PROVIDED WITH THE OPENING/CLOSING VALVE | Hidehisa Matsumoto, Hiroyuki Ishinaga | 2002-10-08 |
| 6422674 | Liquid supply system and liquid residual amount detecting method of liquid supply system | Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Hidehisa Matsumoto, Hiroki Hayashi | 2002-07-23 |
| 6371594 | Ink jet recording head, an ink jet cartridge, and an ink jet recording apparatus | Wataru Takahashi, Kazuaki Masuda, Hajime Yamamoto, Eiichiro Shimizu, Yasuo Kotaki +1 more | 2002-04-16 |
| 6347865 | Liquid container, liquid supply system, and method for manufacturing such liquid container | Hidehisa Matsumoto, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Hiroki Hayashi | 2002-02-19 |
| 6334674 | Absorber mounted in an ink tank and process for manufacturing this tank | Takayuki Ono, Hiroshi Sugitani, Kazuaki Masuda, Hajime Yamamoto, Eiichiro Shimizu +4 more | 2002-01-01 |
| 6325500 | Ink tank, ink jet recording apparatus mounting the ink tank, and package for the ink tank | Kenji Kitabatake, Shozo Hattori, Hajime Yamamoto, Eiichiro Shimizu, Hidehisa Matsumoto +1 more | 2001-12-04 |
| 6293652 | Method for coupling liquid jet head units, a liquid jet head unit, and a liquid jet head cartridge | Teruo Arashima, Kazuaki Masuda, Junji Shimoda, Hajime Yamamoto, Minoru Nozawa +4 more | 2001-09-25 |
| 6270206 | Ink container having blocking member and boundary layer | Eiichiro Shimizu, Hajime Yamamoto, Hiroki Hayashi | 2001-08-07 |
| 6243116 | Ink container, installing-removing method therefore and apparatus usable with the same | Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato +4 more | 2001-06-05 |
| 6234618 | Ink absorbing body, ink tank, ink-jet cartridge and ink-jet printing apparatus | Hajime Yamamoto, Eiichiro Shimizu, Keisuke Matsuo, Teruo Arashima, Wataru Takahashi | 2001-05-22 |
| 6220697 | Ink jet recording head and ink jet recording apparatus having such head | Akihiro Yamanaka, Kazuaki Masuda, Hajime Yamamoto, Eiichiro Shimizu, Yasuo Kotaki +2 more | 2001-04-24 |
| 6145975 | Method of mounting an exchangeable ink container | Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato +4 more | 2000-11-14 |
| 6070974 | Ink jet unit for a detachably mountable ink container | Yasuo Kotaki, Masanori Takenouchi, Hideo Saikawa, Minoru Nozawa, Osamu Sato +4 more | 2000-06-06 |
| 5831652 | Member and method for protecting ink tank | Sadayuki Sugama, Hirofumi Okuhara | 1998-11-03 |
| 5815184 | Ink container having plural porous members for storing ink and ink jet apparatus having said ink container | Toshihiko Ujita, Hiroshi Sugitani, Tsuyoshi Orikasa, Osamu Sato, Masahiko Higuma +1 more | 1998-09-29 |