Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8998387 | Method of working small recess portion, method of fabricating liquid ejection head and liquid ejection head | Hideyuki Ogawa, Koichi Saito, Katsunori Ono | 2015-04-07 |
| 8613497 | Method of working small recess portion, method of fabricating liquid ejection head and liquid ejection head | Hideyuki Ogawa, Koichi Saito, Katsunori Ono | 2013-12-24 |
| 8439494 | Liquid ejecting head, method for making the same, and liquid ejecting apparatus | Hiroshige Owaki, Motonori Okumura, Munehide Kanaya, Yasuto KANAI, Koichi Saito +2 more | 2013-05-14 |
| 8187686 | Elastic member for ink jet recording apparatus, ink jet recording apparatus including elastic member, elastic member for ink tank and ink tank including elastic member | Akio Horasawa, Dai Igarashi, Shinzo Saito | 2012-05-29 |
| 7905431 | Forging punch, method of manufacturing liquid ejection head using the same, and liquid ejection head manufactured by the method | Fujio Akahane, Kazushige Hakeda, Ryoji Uesugi, Akiharu Kurebayashi | 2011-03-15 |
| 7814640 | Manufacturing method of die for manufacturing liquid ejecting head, and material block used in the same | Ryoji Uesugi | 2010-10-19 |
| 7708390 | Method of working small recess portion, method of fabricating liquid ejection head and liquid ejection head | Hideyuki Ogawa, Koichi Saito, Katsunori Ono | 2010-05-04 |
| 7703894 | Apparatus of fabricating and method of fabricating liquid ejection head, and liquid ejection head | Hideyuki Ogawa, Koichi Saito, Katsumi Motojima, Katsunori Ono | 2010-04-27 |
| 7669329 | Apparatus of fabricating and method of fabricating liquid ejection head, and liquid ejection head | Hideyuki Ogawa, Koichi Saito, Katsumi Motojima, Katsunori Ono | 2010-03-02 |
| 7610938 | Cylindrical rod and method for manufacturing the same | Itaru Yanokura, Hiroshi Hashizume, Norio Nomura | 2009-11-03 |
| 7575305 | Liquid ejection head having improved ejection performance | Fujio Akahane, Kazushige Hakeda, Ryoji Uesugi, Yasunori Koike | 2009-08-18 |
| 7546757 | Method of working small recess portion | Hideyuki Ogawa, Koichi Saito, Katsunori Ono | 2009-06-16 |
| 7543381 | Method of manufacturing a liquid ejecting head | Hideyuki Ogawa, Koichi Saito, Nobuyuki Soma, Katsunori Ono | 2009-06-09 |
| 7480993 | Method of manufacturing a nozzle plate | Makoto Fujita, Tsuyoshi Kitahara, Takahiro Katakura | 2009-01-27 |
| 7363795 | Guided punching apparatus | Fujio Akahane, Kazushige Hakeda, Ryoji Uesugi, Akiharu Kurebayashi | 2008-04-29 |
| 7254976 | Method of manufacturing liquid ejection head | Ryoji Uesugi | 2007-08-14 |
| 7249484 | Method for manufacturing a liquid ejection head | Ryoji Uesugi | 2007-07-31 |
| 7219983 | Fine forging method, manufacturing method of liquid ejection head, and liquid ejection head | Fujio Akahane, Kazushige Hakeda, Ryoji Uesugi, Yasunori Koike | 2007-05-22 |
| 7194886 | Method for forging plate and method for manufacturing a liquid ejection head | Fujio Akahane, Akiharu Kurebayashi, Kazushige Hakeda, Ryoji Uesugi | 2007-03-27 |
| 7165433 | Method of manufacturing a chamber plate for a liquid ejection head | Fujio Akahane, Akiharu Kurebayashi, Kazushige Hakeda, Ryoji Uesugi | 2007-01-23 |
| 7127929 | Forging work method | Fujio Akahane, Kazushige Hakeda, Ryoji Uesugi, Akiharu Kurebayashi | 2006-10-31 |
| 7100415 | Method and apparatus for manufacturing a liquid ejection head | Ryoji Uesugi | 2006-09-05 |
| 7052119 | Liquid ejection head, and method of manufacturing the same | Fujio Akahane, Kazushige Hakeda, Ryoji Uesugi, Akiharu Kurebayashi | 2006-05-30 |
| 7040134 | Punch for forging a liquid ejection head | Fujio Akahane, Kazushige Hakeda, Ryoji Uesugi, Akiharu Kurebayashi | 2006-05-09 |
| 7021749 | Liquid ejection head, and method of manufacturing the same | Fujio Akahane, Akiharu Kurebayashi, Kazushige Hakeda, Ryoji Uesugi | 2006-04-04 |