Issued Patents All Time
Showing 76–100 of 105 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7127929 | Forging work method | Nagamitsu Takashima, Kazushige Hakeda, Ryoji Uesugi, Akiharu Kurebayashi | 2006-10-31 |
| 7052119 | Liquid ejection head, and method of manufacturing the same | Nagamitsu Takashima, Kazushige Hakeda, Ryoji Uesugi, Akiharu Kurebayashi | 2006-05-30 |
| 7052118 | Liquid ejection head | — | 2006-05-30 |
| 7040134 | Punch for forging a liquid ejection head | Nagamitsu Takashima, Kazushige Hakeda, Ryoji Uesugi, Akiharu Kurebayashi | 2006-05-09 |
| 7021749 | Liquid ejection head, and method of manufacturing the same | Nagamitsu Takashima, Akiharu Kurebayashi, Kazushige Hakeda, Ryoji Uesugi | 2006-04-04 |
| 6997027 | Forging punch | Nagamitsu Takashima, Akiharu Kurebayashi, Kazushige Hakeda, Ryoji Uesugi | 2006-02-14 |
| 6968723 | Method of punching small hole and method of manufacturing liquid ejection head using the same | Nagamitsu Takashima, Kazushige Hakeda, Ryoji Uesugi | 2005-11-29 |
| 6874863 | Liquid ejection head | Minoru Usui | 2005-04-05 |
| 6634742 | Recording head unit | Hiroshige Owaki, Takayuki Iijima, Katsuhiro Okubo | 2003-10-21 |
| 6550902 | Ink-jet printing apparatus and ink cartridge therefor | Satoshi Shinada, Minoru Usui, Takao Kobayashi, Makoto Matsuzaki | 2003-04-22 |
| 6502917 | Ink-jet printing apparatus and ink cartridge therefor | Satoshi Shinada, Minoru Usui, Takao Kobayashi, Makoto Matsuzaki | 2003-01-07 |
| 6440174 | Piezo-electric/electrostrictive film type chip | Minoru Usui, Takahiro Katakura, Kazumi Kamoi, Satoshi Shinada, Yukihisa Takeuchi +1 more | 2002-08-27 |
| 6416680 | Ink-jet recording head, its manufacturing method and ink-jet recording device | Toyohiko Mitsuzawa, Shinri Sakai, Akira Matsuzawa | 2002-07-09 |
| 6390608 | Ink jet recording head, its manufacturing method and inkjet recording device | Toyohiko Mitsuzawa, Shinri Sakai, Akira Matsuzawa | 2002-05-21 |
| D439609 | Ink cartridge for printer | Satoshi Shinada, Takeo Seino, Hisashi Miyazawa | 2001-03-27 |
| D438896 | Ink cartridge for printer | Satoshi Shinada, Takeo Seino, Hisashi Miyazawa | 2001-03-13 |
| D438241 | Ink cartridge for printer | Satoshi Shinada, Takeo Seino, Hisashi Miyazawa | 2001-02-27 |
| 6142616 | Ink jet recording head | — | 2000-11-07 |
| 5963234 | Laminated ink jet recording head having flow path unit with recess that confronts but does not communicate with common ink chamber | Yoshio Miyazawa, Minoru Usui, Takahiro Katakura, Motonori Okumura, Tomoaki Abe | 1999-10-05 |
| 5748210 | Ink jet type recording unit with an improved carriage structure | Kohji Watanabe, Satoshi Fujioka, Yoshikatsu Yamamoto, Susumu Murayama, Takayuki Okuda +2 more | 1998-05-05 |
| 5748214 | Ink jet recording head | Minoru Usui, Kazuhiko Hara, Yoshio Miyazawa, Yuji Tanaka, Takahiro Katakura +6 more | 1998-05-05 |
| D391604 | Print head of ink jet printer | Kohji Watanabe | 1998-03-03 |
| D390260 | Lever for recording unit of ink jet printer | Kohji Watanabe | 1998-02-03 |
| 5699095 | Ink-jet recording apparatus | Toyohiko Mitsuzawa, Norihiko Kurashima | 1997-12-16 |
| 5696541 | Mechanism and method for adjustment of head position in ink-jet printer | Tatsuya Seshimo | 1997-12-09 |